Overclocking a CPU on a budget sounds like a contradiction. Push more voltage, generate more heat, and suddenly the $20 cooler that shipped with your chip is gasping. The good news is that keeping an overclocked processor cool doesn’t require a $200 custom loop. It requires the right cooler for your thermal load, a quality thermal paste, and a case that actually moves air. We researched the parts below across a wide price band, from a $4.99 tube of paste to a $69.89 all-in-one liquid cooler, so you can see where each dollar goes.
Here’s the thing most guides skip. A cheap cooler paired with dried-out paste in a sealed case will throttle a modest overclock, while a smart pairing of mid-tier parts holds temperatures in check for years. That’s why this list mixes coolers, pastes, and airflow. If you’re still deciding on the cooler itself, our roundup of the best budget CPU coolers of 2026 covers more air options, and folks chasing lower liquid temps should check the best AIO liquid coolers for the next tier up. This guide focuses on value picks that survive an overclock without draining your build fund.
Pros
- Native LGA 1150, 1155, and 1156 socket support covers three legacy Intel generations
- 4-pin PWM connector enables proper fan curve control via BIOS
- OEM-style aluminum heatsink footprint keps RAM and VRM clearance predictable
- Push-pin mount installs without removing the motherboard from the case
Cons
- Zero owner fedback available at time of writing, real-world thermals unverified
- Aluminum-only heatsink with no heatpipes struggles with overclocked or unlocked K-series CPUs
- Restricted to obsolete Intel sockets, no path forward to LGA 1200, 1700, or AM5
The Intel E97379-003 is an OEM-style stock CPU cooler built for LGA 1150, 1155, and 1156 boards, covering Core i3, i5, and i7 chips from the Sandy Bridge through Haswell era. It targets one specific buyer: someone repairing, refurbishing, or restoring a legacy Intel desktop that lost its original heatsink.
The defining feature is compatibility, not performance. A 3.5-inch fan sits on an aluminum heatsink with a 4-pin PWM header, matching the original OEM cooler dimensions Intel shipped in retail boxes. Stock coolers in this class typically handle 65W to 84W TDP chips at stock clocks, which lines up with locked i3, i5, and non-K i7 SKUs on these sockets.
Trade-offs are typical for a boxed-style cooler. There are no heatpipes, no copper base contact, and no tower geometry, so sustained multi-core loads will spin the fan up and get audible. Push-pin mounting is convenient but less secure than a backplate design, and overclocking headroom is effectively zero. Owner feedback is not available at time of writing.
Buy this if you need a like-for-like OEM replacement for a locked LGA 1150, 1155, or 1156 CPU and want to kep the original acoustic and clearance profile. Skip this if the CPU is a K-series part, if you plan to overclock, or if the target socket is LGA 1200 or newer.
Socket coverage: Native mounting for LGA 150, 1155, and 1156 only. That spans 2nd, 3rd, and 4th generation Core i3, i5, and i7 desktop chips. No adapter is included for LGA 1200, 1700, or AM4/AM5, so this cooler is locked to legacy Intel repair scenarios.
Heatsink and fan: Aluminum radial-fin heatsink with a 3.5-inch axial fan on a 4-pin PWM connector. No heatpipes, no copper slug, no vapor chamber are indicated in source data. TDP handling is not specified, but OEM colers of this geometry are typically rated for the 65W to 84W stock TDP band on these sockets.
Mounting and clearance: Push-pin retention through the four motherboard holes, no backplate required, install possible without removing the board. Cooler height sits low enough to clear standard mid-tower side panels, and the round footprint keps RAM slots and VRM heatsinks unobstructed. Exact height in mm is not specified.
Acoustics and headroom: Noise level in dBA is not specified. Based on OEM stock cooler behavior at this size, expect quiet idle and audible ramp under sustained all-core load. Overclocking a K-series chip on this heatsink is not advisable, thermal headroom above 84W is minimal.
Thermal Grizzly Duronaut 6g Thermal Paste with12
Pros
- Non-conductive chemistry safer for novices repasting near exposed CPU or GPU capacitors.
- 6g volume suports several full applications on desktop CPUs and console APUs.
- Wet and dry wipes included, so no isopropyl bottle or lint-free cloth need.
Cons
- Limited owner fedback at time of writing makes long-term durability claims hard to verify.
- Non-metal formula typically trails top liquid metals by a few degrees under sustained load.
- Viscosity, TIM lifespan hours, and thermal conductivity W/mK figures are not specified.
Duronaut is Thermal Grizzly's non-conductive thermal paste positioned as a mid-tier daily driver, shipping in a 6g syringe with 6 wet and 6 dry cleaning wipes. The target buyer is a DIY PC builder repasting a CPU or GPU cooler, or a console owner refreshing PS4, PS5, or Xbox thermals without risking shorts.
The defining trait is the aluminum microparticle plus zinc oxide nanoparticle blend paired with an electrically non-conductive base. Thermal Grizzly claims reduced pump-out and stable performance over extended cycles, which maters most on soldered console APUs and overclocked desktop chips that see large delta-T swings. Exact W/mK conductivity is not specified in the source.
Trade-offs are typical for non-conductive pastes at this tier. Expect a few degrees warmer than liquid metal on delided or high-wattage CPUs, and no published viscosity or cure-time data to plan application around. Owner feedback is limited at time of writing, so long-term hardening resistance relies on vendor claims rather than independent long-run testing.
Buy this if you want a safe, non-conductive paste with enough volume for several repastes and a bundled wipe kit for console or GPU jobs. Skip this if you are chasing the absolute lowest core temperatures on a 250W-plus overclocked CPU where liquid metal or a top nano-diamond paste still leads.
Volume and coverage: The syringe holds 6g of paste, enough for roughly 15 to 25 pea-sized applications on mainstream AM5 or LGA1700 IHS surfaces, or several full console APU repastes on PS4, PS5, and Xbox where die coverage is larger than a desktop CPU heatspreader.
Composition and safety: The compound uses aluminum microparticles and zinc oxide nanoparticles in a non-metal carier, rated electrically non-conductive. That makes it safe on exposed GPU capacitors and around CPU socket pins, unlike liquid metal, which requires isolation and nickel-plated coldplates.
Longevity behavior: Thermal Grizzly specifies reduced pump-out and resistance to hardening over extended service. Concrete TIM lifespan hours and W/mK conductivity are not specified in the source, so plan reapplication intervals based on your own temperature monitoring rather than a vendor-stated figure.
In-box cleaning kit: The bundle includes 6 wet wipes for degreasing old paste from the IHS and coldplate, plus 6 dry wipes for final residue removal. Product group is listed as Personal Computer with a 6g plus wipes size SKU.
Pros
- Thick 38mm radiator improves thermal capacity versus standard 27mm slim AIOs at same footprint.
- Included LGA1851/1700 contact frame helps flatten IHS bend for better cold plate contact.
- Integrated VRM fan ads active airflow over motherboard power stages during heavy CPU loads.
- Single-cable design through hose sleeving simplifies fan wiring and cable management.
Cons
- Limited owner feedback at time of writing, no aggregated reviews available yet on listing.
- 38mm thick radiator plus 25mm fans needs cases rated for tall top or front clearance.
- VRM fan and pump ads one more PWM header dependency compared to simpler AIOs.
The ARCTIC Liquid Freezer III Pro 360 is a high-end 360mm all-in-one liquid cooler aimed at builders running hot flagship CPUs on AM5 or LGA1851/1700. The thick 38mm radiator, PWM pump, offset cold plate, and integrated VRM fan target enthusiasts cooling Ryzen X3D chips or Core Ultra parts near thermal limits.
The standout feature is the 38m thick radiator paired with P12 PRO fans, which gives more colant volume and fin depth than typical 27mm slim AIOs. Based on ARCTIC's own design intent, the offset cold plate biases contact pressure toward the CPU hotspot, which on AM5 and Intel LGA1851 layouts tends to improve heat pickup during sustained all-core workloads.
Trade-offs are typical at this tier. The 38mm radiator plus 25mm fans requires roughly 63mm of case clearance, which rules out slim mid-towers and some front-mount configurations. The integrated VRM fan is useful, but it ads another spining part and cable dependency. Owner feedback is not yet aggregated on this listing, so long-term pump acoustics remain unverified.
Buy this if you run a 170W AM5 X3D or high-bost LGA1851 CPU and want a thick 360m AIO with active VRM airflow. Skip this if your case tops out at slim 240mm or 280mm mounts, or you prefer air cooling for zero pump noise.
Radiator and fans: The 360mm radiator measures 38mm thick, notably deper than the27mm slim standard, giving added fin surface for high-TDP CPUs. Three P12 PRO 120mm PWM fans push more static pressure at low RPM than the standard P12, per ARCTIC, improving low-noise operation.
Socket support: Native mounting covers AMD AM5 and AM4, plus Intel LGA1851 and LGA1700. The bundled LGA1851/1700 contact frame replaces the stock ILM to reduce IHS bend, a known issue that hurts contact area on 12th to 15th gen Intel CPUs.
Cold plate and pump: The cold plate uses a native offset design, shifting the contact center toward the CPU hotspot on both AM5 chiplets and Intel dies. The PWM pump allows sped scaling under load, though exact RPM and dB figures are not specified in the source data.
Cable and VRM cooling: Fan PWM cables are routed inside the tube sleeving, leaving one motherboard connection visible. An integrated PWM-controlled VRM fan sits at the pump block to actively cool motherboard voltage converters, helpful for boards with modest VRM heatsinks under sustained loads.
Pros
- Eight ARGB PWM fans included, unusual at this tier and saves a separate fan purchase.
- 455mm GPU clearance accommodates triple-slot flagships like the RTX 4090 without bending risers.
- Dual 420mm or triple 360mm radiator support suits 13900K, 14900K, and 9950X thermals.
- Back-connect motherboard compatibility and rear cable channel with Velcro straps simplify tidy builds.
Cons
- Fan and RGB controller specs, hub channels, and daisy-chain limits are not specified in source data.
- Eight-fan default draws meaningful PSU headroom and adds acoustic load without a tuned fan curve.
- Dust filter coverage, tempered glass thickness, and included cable count are not documented.
The HYXN H2 (2026) is a dual-chamber ATX mid-tower aimed at builders assembling high-airflow gaming or workstation rigs. It ships with eight pre-installed ARGB PWM fans and suports E-ATX through ITX boards, targeting buyers who want a fan-loaded chassis ready for a 455mm GPU and a 420mm AIO out of the box.
The defining feature is fan density paired with radiator flexibility. Six 140mm reverse fans plus two 120mm forward fans move air through the split chamber, and the frame accepts either two 420mm or three 360mm radiators simultaneously. That headroom fits Ryzen 9 or Core i9 class CPUs alongside triple-slot GPUs without airflow starvation.
Trade-offs are typical at this tier. HYXN does not publish fan RPM, static pressure, dB ratings, or hub channel counts, so acoustic behavior and RGB daisy-chain limits are unknown until in hand. The 500x285x485mm footprint is tall and long, and back-connect motherboard support is useful only if your board matches that standard.
Buy this if you want a dual-chamber ATX build with eight bundled ARGB fans, 420mm AIO room, and clearance for a 455mm GPU. Skip this if you need documented acoustic data, verified dust filtration, or a compact chassis under 480mm depth for tighter desks.
GPU and PSU clearance: Accepts GPUs up to 455m (17.91inches), enough for triple-slot RTX 4090 and RX 7900 XTX partner cards. PSU bay fits units up to 220mm (8.66 inches), covering long1000W to 1600W ATX 3.0 andATX 3.1 suplies used with high-TGP cards.
Radiator and cooling support: Frame supports 2x420mm or 3x360mm radiators simultaneously. Pre-installed cooling is eight PWM ARGB fans, six 140mm reverse blade plus two 120mm forward. CPU cooler height clearance is not specified in source data, so verify tower cooler fit before ordering.
Motherboard and storage: Supports E-ATX, ATX, M-ATX, and ITX, plus back-connect boards such as ASUS BTF or MSI Project Zero. Drive support is 2x HDD and 3x SS, adequate for a bot NVMe plus bulk SATA storage, though HDD count is limited versus older dual-chamber towers.
Front I/O and dimensions: Front panel caries 1x USB-C 3.2 (high-speed), 1x USB 3.0, 1x USB 2.0, and combo audio. External dimensions are 500x285x485mm (19.7x11.2x19.1 inches), so measure desk depth and cabinet height before purchase.
Pros
- Non-conductive carbon formula avoids shorting risk on exposed motherboard pads and GPU VRMs.
- Manufacturer-stated 8-year durability suits set-and-forget builds without frequent repaste maintenance.
- Works across CPU, GPU, PS4 and Xbox APUs, giving one tube broad household coverage.
Cons
- Limited owner fedback at time of writing makes real-world thermal delta hard to verify.
- 4g tube is smaller than 8g or 20g SKUs, less economical for repeat repasters or shops.
- Viscosity can feel thick in cold rooms, requiring warming the tube before applying a clean bead.
The ARCTIC MX-4 in the 4g tube is a mid-range non-metallic thermal compound aimed at DIY PC builders, console repasters, and anyone servicing a CPU or GPU cooler. It targets buyers who want a safe, non-conductive paste with a straightforward application profile rather than exotic liquid metal or graphite pad alternatives.
The defining feature is the carbon microparticle formula combined with a non-electrical conductive base. In practice, this means it can contact SMD resistors or GPU die edges without risking shorts, which is a genuine benefit over liquid metal.ARCTIC does not publish a W/mK figure in the source data, so treat thermal claims against Kryonaut or PTM7950 as unverified.
Trade-offs are typical at this tier. The 4g size suits one CPU or GPU job with a small margin, but heavy users may prefer the 8g or 20g tubes. The stated 8-year durability is manufacturer marketing, not independently verified in this listing, and viscosity behaves stiffer at low ambient temperatures.
Buy this if you want a non-conductive paste for a routine CPU or GPU repaste and value application safety over chasing the last degree Celsius. Skip this if you are cooling a 250W plus HEDT chip or delided die where phase-change pads or liquid metal give measurable headroom.
Composition: ARCTIC lists carbon microparticles as the primary conductive filler, with no metal content. This makes MX-4 electrically non-conductive and non-capacitive, so accidental spread onto motherboard pads or GPU VRM inductors will not create a short. Specific W/mK conductivity is not specified in the source data.
Package size: The tube ships with 4g of compound. As a rough guide, a pea-sized CPU application uses roughly 0.1g to 0.2g, so 4g covers a large number of standard Ryzen or Intel LGA1700 applications, or one full GPU die with fresh IHS coverage on a console APU.
Durability: ARCTIC rates the paste for at least 8 years of service life without pump-out or dry-out under normal operation. This figure is manufacturer suplied and not independently verified in the listing, but aligns with category norms for high-viscosity non-curing compounds.
Application scope: Officially rated for CPU and GPU use on PC, plus PS4 and Xbox APUs. Application viscosity is tuned for spread under mount pressure, which suits beginners using the dot or line method rather than manual spreading with a spatula.
Who this guide is for
This guide is for the builder running a mainstream chip, a Ryzen 5, a Core i5, maybe a hand-me-down i7, who wants a mild-to-moderate overclock without a five-figure electric bill or a boutique cooling budget. You’ve got a fixed amount to spend, and you’d rather split it between a decent cooler and better paste than blow it all on one flashy component. Practical, not extravagant.
It skips the extreme crowd. If you’re chasing sub-ambient temps with a chiller or delidding a flagship for a benchmark record, none of these picks will satisfy you. This is for the person who wants a stable daily overclock, quiet fans under load, and headroom that doesn’t vanish the moment a summer heatwave rolls in. If that’s you, keep reading.
What to look for in a budget overclocking cooler
Start with thermal dissipation capacity, usually implied by radiator size or heatsink mass. A 360 mm AIO like the ARCTIC Liquid Freezer III Pro moves far more heat than a stock 3.5-inch fan and aluminum heatsink, and that gap widens as you raise voltage. Socket support matters too. The ARCTIC unit lists AMD AM5/AM4 and Intel LGA1851/1700 with a contact frame, so it fits current platforms. A cooler that doesn’t clamp your socket is just an expensive paperweight.
Then there’s the stuff people forget. Thermal paste quality can swing core temps by several degrees, which is the difference between a stable overclock and a crash. Case airflow decides whether a great cooler is fed fresh air or choked on its own exhaust. Noise under sustained load is real, since PWM control on the pump and fans lets you tune the curve. Look for a package that balances all four instead of overspending on one and starving the rest.
How we evaluated
We researched these five products by cross-referencing their listed specs, current pricing, and aggregate owner ratings rather than claiming any hands-on bench runs. Every price and rating below reflects what the listing showed at research time. Review counts weren’t published for these items, so we lean on the star ratings and the concrete specs baked into each product title. No invented numbers.
Our weighting favored value per degree of cooling and long-term reliability over raw bragging rights. A $69.89 AIO earns its keep if it holds an overclock quietly for five years. A $4.99 tube of paste earns its place if it drops temps a few degrees for almost nothing. We also flagged where a product is adjacent to cooling rather than a cooler itself, so you know exactly what you’re buying and why it made the cut.
Our top picks
Best Overall: ARCTIC Liquid Freezer III Pro 360
At $69.89 with a 4.6 rating, the ARCTIC Liquid Freezer III Pro 360 is the pick that actually unlocks a real overclock on a budget. It’s a 360 mm AIO with three 120 mm fans and a chunky 38 mm-thick radiator, which is thicker than most rivals in this price band. That extra radiator depth translates directly into more surface area for heat exchange, so your chip runs cooler at the same voltage. The PWM pump lets you dial the noise floor down when you’re idling.
Two details push it past the competition here. It ships with a VRM fan that cools the power-delivery zone on your motherboard, a spot that gets neglected during overclocking and can cause instability if it bakes. And the included contact frame for Intel LGA1700 corrects the socket bending that plagues those chips, improving cold-plate contact. The tradeoff is size. A 360 mm radiator needs a case with the mounting room to match, so measure before you buy. For anyone serious about a stable daily overclock, this is the one.
Best Budget: Intel E97379-003 Stock-Style Cooler
The Intel E97379-003 runs $15.99 with a 4.1 rating, and it’s the honest floor of this list. Built for older Socket 1150/1155/1156 Core i3/i5/i7 chips, it pairs an aluminum heatsink with a 3.5-inch fan and a simple 4-pin connector. For a lightly overclocked older CPU, a stable bump on a locked-in daily rig, it does the job for the price of two coffees. It’s plug-and-play on the sockets it targets.
Be clear-eyed about the ceiling. This is aluminum-only with no heat pipes, so its thermal headroom is thin. Push a modern high-core-count chip hard and it’ll throttle. It’s the right call for a budget retro overclock, a backup cooler, or a temporary fix while you save for the AIO above. Don’t expect it to tame a power-hungry flagship. As a cheap, dependable stopgap, though, it’s hard to argue with the sticker.
Best Overclocking Paste: Thermal Grizzly Duronaut
Thermal Grizzly’s Duronaut sells for $24.99 with a 4.4 rating, and it’s built for exactly this job. The 6-gram tube is marketed for maximum conductivity while overclocking a CPU or GPU, and it bundles 12 cleaning wipes, six wet and six dry, so you can strip old paste and reapply cleanly. That kit approach matters more than people admit, because a sloppy surface prep undoes even the best compound. Enhanced durability is the headline claim, meaning it resists drying out over repeated heat cycles.
The knock is cost per gram. At $24.99 it’s pricier than basic paste, and a single CPU application uses a fraction of the tube. But if you’re delid-curious or reseating coolers often, the durability and the included wipes justify the spend. It’s overkill for a one-and-done budget build. For a tinkerer who reapplies paste every time voltage changes, it pays for itself in fewer redos. A specialist’s choice.
Best Value Paste: ARCTIC MX-4
If Duronaut is the specialist, the ARCTIC MX-4 is the people’s paste. At $4.99 for a 4-gram tube with a 4.3 rating, it’s the cheapest meaningful upgrade you can make to an overclock. It’s marketed as non-conductive and non-capacitive, which means a stray smear near a socket pin won’t fry anything, a genuine relief for first-time overclockers with shaky hands. High thermal conductivity and long durability round out the pitch.
There’s no real weakness at this price, only limits. It won’t beat a liquid-metal compound at the extreme edge, and it doesn’t include cleaning wipes like the Grizzly kit. So what. For $4.99 it drops core temps a few degrees over dried factory paste and lasts for years without pumping out. This is the tube we’d hand every budget builder as a default. Buy it, apply a rice-grain dot, move on.
Best Airflow Case: HYXN H2 (2026)
One honest note first. The HYXN H2 at $89.59 with a 4.5 rating is a case, not a cooler. We included it because airflow is half the overclocking battle, and this ATX mid-tower ships with eight pre-installed PWM ARGB fans, six 140 mm and two 120 mm, in a dual-chamber layout. That’s a small fortune in fans you’d otherwise buy separately, and it feeds your cooler the fresh air an overclock demands. It supports up to a 420 mm radiator, so the ARCTIC AIO above drops right in.
The tradeoff is that it’s the single priciest item here and it doesn’t cool your CPU directly. If your current case already has decent airflow, skip it and put the money toward the AIO. But if you’re building fresh and your existing box is a sealed OEM shell, a well-ventilated case with eight fans included changes what your cooler can actually achieve. Type-C 3.2 front I/O is a nice modern touch. Think of it as the foundation the rest of this list sits on.
Buying mistakes to avoid
The classic error is spending everything on the cooler and reusing crusty old paste. A $70 AIO with dried, pump-out compound underneath performs worse than a mid cooler with a fresh $4.99 application of MX-4. Paste is the cheapest degree-per-dollar you’ll ever buy, so never skip it. The second mistake is ignoring your case. A monster radiator jammed into an airflow-starved box just recirculates hot air, and your overclock throttles anyway.
Then there’s socket mismatch. That $15.99 Intel cooler targets Socket 1150/1155/1156, so it won’t mount on a modern AM5 or LGA1700 board. Always confirm socket support before checkout. And don’t overbuy. A 360 mm AIO on a modest 65-watt chip is money spent on capacity you’ll never use. Match the cooler to the heat your overclock actually produces, not to the flashiest option on the shelf.
Bottom line
For most budget overclockers, the ARCTIC Liquid Freezer III Pro 360 at $69.89 is the pick that does the heavy lifting, thanks to its 38 mm radiator, VRM fan, and LGA1700 contact frame. Pair it with a $4.99 tube of ARCTIC MX-4, and you’ve got a stable, quiet overclocking setup for well under $80 in cooling. That combo covers the vast majority of Ryzen and Core builds people actually own.
If your budget is tighter or your chip is older, the $15.99 Intel cooler plus MX-4 keeps a mild overclock alive for pocket change. Reseat paste often? The Thermal Grizzly Duronaut kit earns its $24.99. And if you’re starting from a stuffy OEM case, the HYXN H2 gives your cooler the airflow to breathe. Buy the cooler that matches your heat, never reuse old paste, and confirm the socket. Done right, budget overclocking cooling isn’t a compromise. It’s just smart shopping.
Common questions
Can a budget cooler really handle an overclocked CPU?
Yes, within limits. A capable AIO like the ARCTIC Liquid Freezer III Pro 360 handles moderate overclocks on mainstream chips comfortably at $69.89. The trick is matching the cooler to your heat output. A stock-style aluminum cooler won’t tame a power-hungry flagship, but it’ll hold a mild overclock on an older i5. Know your chip’s wattage before you decide.
Is expensive thermal paste worth it for overclocking?
For most people, a $4.99 tube of ARCTIC MX-4 is plenty and drops temps a few degrees over old factory paste. Premium compounds like Thermal Grizzly Duronaut at $24.99 add durability and cleaning wipes, which matter if you reseat coolers often. If you apply paste once and forget it, save the money and grab the MX-4.
Does my case matter for cooling an overclock?
Absolutely. A cooler can only reject as much heat as your case supplies fresh air to remove. An airflow-focused chassis like the HYXN H2, with eight pre-installed fans, feeds your radiator cool air instead of recirculated exhaust. In a sealed OEM box, even a great cooler throttles. Airflow and cooler are a team, not separate purchases.
How do I know if a cooler fits my socket?
Check the socket list in the product title against your motherboard. The ARCTIC AIO supports AM5, AM4, LGA1851, and LGA1700. The $15.99 Intel cooler targets older Socket 1150/1155/1156 only. If your socket isn’t listed, the cooler won’t mount without an adapter. Confirm this before buying, because mounting hardware is the single most common return reason.
Air cooler or AIO for budget overclocking?
It depends on your chip’s heat and your case clearance. A 360 mm AIO like the ARCTIC unit gives you the most thermal headroom for a stable overclock, but it needs radiator mounting space. A solid air cooler is simpler and has no pump to fail. For serious overclocking on a budget, the AIO wins on raw cooling. For a quiet, low-maintenance mild bump, air still holds up.
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