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CPU Coolers under $400

All CPU Coolers

5 CPU coolers under $400 from ASUS, Lian Li and SilverStone. Most cost $315 to $379, and half cost less than $341.

All filtersFilters (1)×
Radiator: 360  ×Clear all
BrandASUS2Lian Li1NZXT1SilverStone1
Kindaio5
Radiator36054202
AIO radiator size3605
AMD AM5AMD AM54
Intel LGA1851Intel LGA18514
Intel LGA1700Intel LGA17004
Clear allShow 5 CPU Coolers
Radiator: 360  ×5 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
ASUSSpec score 9.2

aio, 360 AIO radiator size

+360mm radiator, a large size for an AIO cooler
+Includes RGB lighting
+Compatible with AM5 sockets
$369.95-8%List: $399.99
as of 11/04/2026 12:10 PST - Details
ASUSSpec score 9.2

aio, 360 AIO radiator size

+360mm radiator for strong cooling capacity
+Asetek Gen8 V2 pump
+Supports AM5, LGA1700 and LGA1851 sockets
−Large 360mm radiator needs case clearance
$379.99-5%List: $399.99
as of 11/04/2026 12:10 PST - Details
Lian LiSpec score 9.2

aio, 360 AIO radiator size

+360mm radiator for a large liquid cooling loop
+Motorized 6.67-inch 2K OLED display
+Compatible with AM5, LGA1700 and LGA1851 sockets
−Lists a higher noise level of 33 dBA than the LCD model
$339.99
as of 11/03/2026 23:59 PST - Details
NZXTSpec score 9.2

aio, 360 AIO radiator size

+RGB lighting included
+360mm radiator for high cooling capacity
+2.36-inch LCD display
−360mm radiator needs space for installation
$315.44
as of 11/04/2026 00:30 PST - Details
SilverStoneSpec score 9.2

aio, 360 AIO radiator size

+360mm radiator provides large cooling surface
+Server and workstation design for LGA4677 platforms
+Liquid cooling for high-heat server processors
−Large 360mm radiator needs significant case space
$341.09
as of 11/04/2026 07:08 PST - Details

Compare specs

CPU coolerKindAIO radiator sizeSpec scorePrice
aio3609.2$369.95
as of 11/04/2026 12:10 PST - Details
aio3609.2$379.99
as of 11/04/2026 12:10 PST - Details
aio3609.2$339.99
as of 11/03/2026 23:59 PST - Details
aio3609.2$315.44
as of 11/04/2026 00:30 PST - Details
aio3609.2$341.09
as of 11/04/2026 07:08 PST - Details

Before you buy

Other price ranges

PC Cases264Processors247Data Center GPUs82Graphics Cards371Motherboards640Power Supplies237Memory374Storage Drives577Binoculars228Network Cables1,382Cameras2,556Chromebooks196

Popular filters

CPU Coolers for AMD AM5249CPU Coolers for Intel LGA1700247CPU Coolers for Intel LGA1851231CPU Coolers under $100188AIO Liquid CPU Coolers167CPU Coolers under $75153Air CPU Coolers139360mm AIO CPU Coolers133

CPU Coolers by use

360mm AIO Liquid Coolers129

Related product types

CPU Coolers under $100188CPU Coolers under $75153CPU Coolers under $150133CPU Coolers under $50103CPU Coolers under $20062CPU Coolers under $2538CPU Coolers under $25025CPU Coolers under $30013

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