Intel’s F and KF processors skip integrated graphics, and many builders pick them to save money for a better GPU. That makes the cooler choice matter: a 65W i5-12400F and a 253W-class KF chip need very different hardware. This guide to the best cpu coolers f chips pair well with sorts seven LGA 1700 and LGA 1851 coolers by power tier.
Quick verdict on the best CPU coolers F-series builds need
For a locked chip such as the i5-12400F, the Thermalright Assassin X120 Refined SE is the sensible pick: a 148mm single tower that costs very little. For an unlocked KF chip, step up to the Peerless Assassin 120 SE V2, and use a 360mm AIO for the top KF models.
- Cheapest workable upgrade for a locked F chip: ARCTIC Alpine 17 CO.
- Best value for i5 F models: Thermalright Assassin X120 Refined SE.
- Best single tower for KF i5 chips: ARCTIC Freezer 36.
- Best air cooler for KF i5 and i7: Thermalright Peerless Assassin 120 SE V2.
- Best AIO for a 14700KF or 14900KF: Thermalright Aqua Elite 360 V3.
Quick comparison table
All seven coolers mount on LGA 1700, the socket of 12th to 14th Gen Core desktop chips, and most also list LGA 1851 for Core Ultra. Prices are Amazon US snapshots from November 2026, so use them to judge the price tier, not as a quote that will hold.
| Cooler | Type | Height or radiator | Best F-series match | Amazon US, Nov 2026 |
|---|---|---|---|---|
| ARCTIC Alpine 17 CO | Low-profile, 92mm fan | 68.2mm | Locked 65W F chips, light use | About $9 |
| Thermalright Assassin X120 Refined SE | Single tower, 4 heat pipes | 148mm | i5-12400F, i5-14400F | About $16 |
| ARCTIC Freezer 36 | Single tower, push-pull | 159mm | i5-14400F, i5-14600KF | About $22 |
| Thermalright Peerless Assassin 120 SE V2 | Dual tower, 6 heat pipes | 155mm | i5-14600KF, i7-14700KF | About $40 |
| Thermalright Phantom Spirit 120 EVO | Dual tower, 7 heat pipes | 157mm | i7-14700KF | About $47 |
| Thermalright Aqua Elite 240 V3 | 240mm AIO | 240mm radiator | i5-14600KF, i7 KF in small cases | About $45 |
| Thermalright Aqua Elite 360 V3 | 360mm AIO | 360mm radiator | i7-14700KF, i9-14900KF | About $55 |
How we chose coolers for F and KF processors
This shortlist is based on published specs and our November 2026 Amazon US data, not on lab testing. We first grouped F-series chips by power. Intel lists the i5-12400F at 65W base power and 117W maximum turbo power, while the non-F i5-14400 is listed at 65W and 148W.
Unlocked chips sit much higher. Wikipedia’s Raptor Lake tables give the i5-14600K 125W base and 181W turbo, and Intel lists the i9-14900K at 253W maximum turbo power. The KF versions drop the graphics; we did not find separate power figures for them, so we treat them as the same tier as their K siblings.
Every pick had to list LGA 1700 on a manufacturer page or a detailed Amazon listing, and have at least a few hundred Amazon ratings. We used manufacturer specs where they existed, flagged listing-only figures, and avoided seller TDP claims as a ranking tool.
The best coolers for Intel F-series chips in detail
Picks run from the cheapest locked-chip upgrade to a 360mm AIO for the hottest KF processors. Each section lists who it suits, the specs we verified, compatibility notes and the trade-offs, so you can match the cooler to the power tier of your specific F or KF chip.
ARCTIC Alpine 17 CO
The Alpine 17 CO is a compact push-pin cooler made only for LGA 1851 and LGA 1700. It suits a locked F chip in a small office or media PC where the goal is reliable, quiet cooling at a very low price, not overclocking or long all-core renders on a hot processor.
The Amazon listing gives a 68.2mm installation height, a 92mm PWM fan, a Y-shaped radial fin design, pre-applied MX paste, pre-mounted push pins and a six-year warranty. It was listed around $9 on Amazon US with a 4.0 out of 5 rating from about 450 ratings as of November 2026, the lowest score in this list.
- Pros: fits slim cases; push-pin install needs no backplate; six-year warranty.
- Cons: Intel only; small aluminum heatsink is a poor match for the 117W turbo limit of a 12400F under sustained load.
Buy if you have an i5-12400F or i3 F chip in a compact case and mostly game or browse. Skip if you run long multi-core jobs, because a tower cooler will keep clocks and noise steadier.
Thermalright Assassin X120 Refined SE
The Assassin X120 Refined SE is the default upgrade for locked F chips. It is a 148mm single tower with four heat pipes and one 120mm fan, so it suits the i5-12400F and i5-14400F in standard ATX and micro-ATX cases while keeping total build cost low.
Thermalright lists four 6mm heat pipes, a TL-C12C fan rated to 1550rpm and support for LGA 115x, 1200, 1700 and 1851 plus AM4 and AM5. The Amazon listing gives 125x71x148mm, 645g, 66.17 CFM and 25.6 dBA. It was listed around $16 on Amazon US with a 4.7 out of 5 rating from about 1,860 ratings as of November 2026.
- Pros: strong value for a 65W-base F chip; fits most mid-towers; LGA 1851 support for a later Core Ultra upgrade.
- Cons: single fan and four heat pipes leave little margin for KF chips at full power; warranty not stated on the product page.
Buy if you are building around an i5-12400F or i5-14400F and want a cheap, quiet tower. Skip if you plan to run an unlocked KF chip without power limits.
ARCTIC Freezer 36
The Freezer 36 suits F-series buyers who want a single tower with extra airflow. It runs two 120mm fans in push-pull on a four heat pipe tower and includes an Intel contact frame for LGA 1700 and LGA 1851, which spreads mounting pressure more evenly than the stock retention.
ARCTIC’s spec sheet lists 104x126x159mm, four 6mm copper heat pipes, two P12 PWM PST fans at 200 to 1800rpm, MX-7 paste and a six-year warranty. Sockets are LGA 1851, LGA 1700, AM5 and AM4. It was listed around $22 on Amazon US with a 4.6 out of 5 rating from about 1,070 ratings as of November 2026.
- Pros: contact frame included for LGA 1700; push-pull fans; long warranty.
- Cons: 159mm height rules out some compact cases; no support for older LGA 1200 or 115x boards.
Buy if you have an i5-14400F or i5-14600KF and want a stronger single tower without the width of a dual tower. Skip if your case lists less than about 162mm of cooler clearance.
Thermalright Peerless Assassin 120 SE V2
The Peerless Assassin 120 SE V2 is the air cooler we would pair with most KF chips. It is a dual-tower heatsink with six heat pipes and two 28mm-thick fans, which gives it more fin area and airflow than any single tower here while staying at 155mm tall.
The Amazon listing gives 125x135x155mm, two TL-C12C-X28 V2 fans at up to 1850rpm with 88.89 CFM and 29.5 dBA rated maximum noise, six 6mm heat pipes, and support for LGA 1851, 1700, 1200 and 115x plus AM5 and AM4. The original SE’s 155mm height is confirmed on Thermalright’s site. It was listed around $40 with a 4.7 out of 5 rating from about 605 ratings as of November 2026.
- Pros: dual-tower capacity at a mid-budget price; higher-airflow fans than the original SE.
- Cons: wider than a single tower, so check RAM and first PCIe slot spacing; V2 specs come from the listing rather than a manufacturer page we read.
Buy if you have an i5-14600KF or i7-14700KF and want strong air cooling for under $50 as of November 2026. Skip if your board crowds the first PCIe slot close to the socket.
Thermalright Phantom Spirit 120 EVO
The Phantom Spirit 120 EVO is the higher-capacity air option for an i7 KF. It uses seven 6mm heat pipes in a dual tower with two faster fans, so it suits builders who want to avoid liquid cooling but still run an i7-14700KF near its stock power limits.
The Amazon listing gives 125x135x157mm, seven 6mm heat pipes, two TL-K12 fans at 2150rpm with 69 CFM and 27 dBA or less, and support for LGA 1700, 1200, 115x, 2011 and 2066 plus AM4 and AM5. It was listed around $47 on Amazon US with a 4.8 out of 5 rating from about 520 ratings as of November 2026.
- Pros: seven heat pipes; fast fans give headroom under heavy loads.
- Cons: the listing we read does not name LGA 1851 in its compatibility text, so Core Ultra upgraders should confirm before buying; 157mm is tall for compact cases.
Buy if you have an i7-14700KF on LGA 1700 and prefer air cooling. Skip if you plan to move to LGA 1851 soon and need confirmed mounting.
Thermalright Aqua Elite 240 V3
The Aqua Elite 240 V3 is a budget 240mm AIO for KF builds where a tall tower will not fit or where you want the CPU heat routed to a front or top radiator. It suits i5-14600KF and many i7 KF systems in cases with 240mm radiator support at the front or top.
Thermalright lists a 2800rpm pump rated at 23 dBA, TL-C12B-S V2 fans, a three-year warranty and support for LGA 115x, 1200, 1700, 1851, AM4 and AM5. The Amazon listing gives two 1500rpm fans with 66.17 CFM and 25.6 dBA, plus 5V ARGB sync. It was listed around $45 with a 4.7 out of 5 rating from about 500 ratings as of November 2026.
- Pros: frees space around the socket; three-year warranty; low price for a 240mm AIO.
- Cons: pump adds a noise source and a failure point that air coolers lack; radiator dimensions were not stated in the manufacturer text we read.
Buy if your case suits a 240mm radiator better than a 155mm tower. Skip if you want the simplest long-term setup, because a dual-tower air cooler has no pump to wear out.
Thermalright Aqua Elite 360 V3
The Aqua Elite 360 V3 is the pick for the hottest KF chips. A 360mm radiator with three fans gives the most surface area here, which matters for an i9-14900KF class chip that Intel’s K sibling lists at 253W maximum turbo power during long multi-core loads.
Thermalright lists three TL-C12B-S V2 fans at 1500rpm with 66.17 CFM and 25.6 dBA, a 2800rpm pump, support for LGA 115x, 1200, 1700, 1851, AM4 and AM5, and a three-year warranty. It was listed around $55 on Amazon US with a 4.6 out of 5 rating from about 400 ratings as of November 2026.
- Pros: largest radiator in this list at a modest price; LGA 1851 support for future upgrades.
- Cons: needs a case with 360mm radiator support; three-year warranty is shorter than ARCTIC’s six years on its air coolers.
Buy if you run an i7-14700KF or i9-14900KF and your case takes a 360mm radiator. Skip if you have a locked F chip, because the extra cost buys cooling you will not use.
Buying guide for F-series coolers
Since F and KF chips have no integrated graphics, every build also has a discrete GPU, and that affects cooler choice. Consider the power tier of your chip first, then case clearance, the GPU’s position, and the mounting details of LGA 1700 and LGA 1851.
Match the cooler to your chip’s power tier
Locked F chips such as the i5-12400F have a 65W base power and a 117W turbo limit per Intel, so a single tower like the Assassin X120 is enough. Unlocked KF chips share the high turbo limits of their K siblings, from 181W on the i5-14600K to 253W on the i9-14900K.
If you are unsure, buy for the turbo figure rather than the base figure. A cooler sized only for base power will let the chip throttle or run fans loudly during long loads.
Box coolers and what you need to buy
Intel’s spec pages for older K chips such as the i7-8700K state that no cooler is included in the box. The current F-series pages we read did not list box contents, so check the retail listing and box photos before assuming a cooler is included with your chip.
Even when a basic cooler is included, a tower upgrade usually lowers noise. The Alpine 17 CO is the cheapest way to replace a stock unit if your case is too small for a tower.
Case clearance and GPU spacing
The towers here run 148mm to 159mm. Check your case’s published CPU cooler limit and leave a few millimeters spare; a 2026 report on Noctua’s case measurements found more than half of 100-plus cases deviated significantly from their listed clearance figures.
Dual towers sit wider over the board, so on some motherboards the front fan can come close to the first PCIe slot where your graphics card goes. An AIO avoids that, but you need radiator mounts that do not clash with the GPU’s length.
LGA 1700 and LGA 1851 mounting
LGA 1700 and LGA 1851 share a 78x78mm hole pattern, so coolers with LGA 1700 brackets generally list LGA 1851 too. Reports of the LGA 1700 retention mechanism bending CPUs led to aftermarket contact frames, and the Freezer 36 ships with its own frame in the box at no extra cost.
Older LGA 1200 and 115x boards use a 75x75mm pattern, so a cooler bought for an F-series build may need a different bracket if you later reuse it on an older PC.
FAQ
These short answers cover common questions about cooling Intel F and KF processors. They are based on Intel spec pages, Wikipedia’s Raptor Lake tables and the Amazon listings cited for this guide, so confirm box contents and clearance for your exact parts.
Do F-series CPUs run hotter than non-F models?
We found no evidence that removing the graphics changes cooling needs in a meaningful way. Intel lists the i5-12400F at 65W base and 117W turbo, the same tier as other locked i5 chips. Choose a cooler for the power limit of the chip, not for the F suffix itself.
KF chips sit in the unlocked tier with K models, so treat a KF exactly as you would its K sibling when choosing between a tower and an AIO.
Are the best CPU coolers F-series buyers choose different for KF chips?
Yes. Locked F chips are well served by a single 120mm tower such as the Assassin X120 Refined SE or Freezer 36. KF chips benefit from a dual tower like the Peerless Assassin 120 SE V2, and the i7 and i9 KF models suit a 360mm AIO for long heavy loads.
Spending on a large AIO for a 65W-base F chip rarely pays off. That budget is usually better spent on the graphics card an F-series build needs anyway.
Will these coolers fit a future Core Ultra upgrade?
Most of them will. The Alpine 17 CO, Assassin X120, Freezer 36, Peerless Assassin 120 SE V2 and both Aqua Elite AIOs list LGA 1851. The Phantom Spirit 120 EVO listing we read did not name LGA 1851, so check with the seller or Thermalright support first.
Core Ultra power varies: Intel lists the Core Ultra 9 285K at 250W maximum turbo power, so a KF-class cooler remains a good fit.
Conclusion
For a locked F chip such as the i5-12400F or i5-14400F, buy the Thermalright Assassin X120 Refined SE; it is cheap, fits most cases and has enough capacity. For any KF processor, choose the Peerless Assassin 120 SE V2, and move to the Aqua Elite 360 V3 only for an i7 or i9 KF.
Write Your Review
No reviews yet. Be the first to share your experience!