CPU Coolers under $300

aio, 360 AIO radiator size

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ASUS ROG Strix LC III 360 ARGB LCD All-in-one CPU Liquid Cooler - Intel LGA 1700, 1200, 115X - AMD Socket AM4, AM5 –

$229.99as of 11/04/2026 12:10 PST - Details

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Spec score9.5

Pros

+360mm radiator, a large size for an AIO cooler

+Includes RGB lighting

+Compatible with AM5 sockets

+Compatible with LGA 1700 sockets

+Features an LCD display

Compared with the 12 CPU Coolers on this page

+360 aio radiator size: the highest aio radiator size of the 11 here

+360mm radiator: the highest radiator of the 11 here

How pros and cons are picked (About: Disclaimer)

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aio, 360 AIO radiator size

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TRYX Panorama 360mm AIO Curved Screen GIPHY Built-in Asetek 320w TDP | Asetek 8th Gen V2, ROTA SL PRO Pogo-Pin Fan,

$289.99as of 11/04/2026 08:07 PST - Details

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Spec score9.5

Pros

+360mm radiator for high cooling capacity

+Supports AM5, LGA1700 and LGA1851 sockets

+Noise level listed at 30.97 dBA

+Built-in Asetek pump listed

Cons

−Requires space for a 360mm radiator in the case

Compared with the 12 CPU Coolers on this page

+360 aio radiator size: the highest aio radiator size of the 11 here

+360mm radiator: the highest radiator of the 11 here

How pros and cons are picked (About: Disclaimer)

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aio, 360 AIO radiator size

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CORSAIR iCUE LINK TITAN II 360 RX LCD AIO Liquid CPU Cooler – White | 5" IPS LCD DisplayPort Screen, RX II RGB Unified

$239.99as of 11/04/2026 13:10 PST - Details

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Spec score9.5

Pros

+360 mm radiator for strong cooling capacity

+Includes a 5-inch IPS LCD display

+RGB lighting included

+Supports AMD AM5 and Intel LGA 1700 and LGA 1851 sockets

Cons

−Large 360 mm radiator needs space in the case

Compared with the 12 CPU Coolers on this page

+360 aio radiator size: the highest aio radiator size of the 11 here

+360mm radiator: the highest radiator of the 11 here

How pros and cons are picked (About: Disclaimer)

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aio, 360 AIO radiator size

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Corsair Nautilus II 360 RS ARGB AIO Liquid Cooler for CPU - Black | RS II ARGB Unified Fan Included, AMD AM5/AM4, Intel

$206.86as of 11/04/2026 13:10 PST - Details

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Spec score9.5

Pros

+360mm radiator for strong heat dissipation

+Addressable RGB lighting

+Compatible with AMD AM5 and AM4 sockets

+Compatible with Intel LGA 1700 and LGA 1851 sockets

+RS II ARGB unified fan included

Cons

−Large 360mm radiator needs space in the case

Compared with the 12 CPU Coolers on this page

+360 aio radiator size: the highest aio radiator size of the 11 here

+360mm radiator: the highest radiator of the 11 here

How pros and cons are picked (About: Disclaimer)

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aio, 360 AIO radiator size

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CORSAIR iCUE LINK TITAN II 360 RX RGB AIO Liquid CPU Cooler – Black | RX II RGB Unified Fans Included, AMD AM5/AM4,

$205.63as of 11/04/2026 13:10 PST - Details

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Spec score9.5

Compared with the 12 CPU Coolers on this pagePros

+360 aio radiator size: the highest aio radiator size of the 11 here

+360mm radiator: the highest radiator of the 11 here

How pros and cons are picked (About: Disclaimer)

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aio, 240 AIO radiator size

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Noctua NL-LC1-24, High-Performance 240mm AIO CPU Cooler | Industry-Leading Quiet Cooling, 30mm Slim Radiator, Pump

$219.95as of 11/04/2026 00:27 PST - Details

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Spec score8.7

Pros

+240mm radiator for a liquid cooling loop

+Slim 30mm radiator thickness

+Fits AM5 sockets

+Fits LGA1851 sockets

Cons

−Liquid loop requires more mounting space than air coolers

Compared with the 12 CPU Coolers on this page

−240 aio radiator size: 10 of the 11 here have a higher aio radiator size

−240mm radiator: 10 of the 11 here have a higher radiator

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NZXT Kraken X63 Black - All-in-One RGB CPU Liquid Cooler - Infinity Mirror Design - Powered by CAM

$275.79as of 11/04/2026 00:30 PST - Details

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Pros

+All-in-one liquid cooler with RGB lighting

+Infinity Mirror design for a distinctive look

+Controlled through the CAM software

How pros and cons are picked (About: Disclaimer)

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aio, 360 AIO radiator size

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TRYX Panorama SE 360mm AIO Curved Screen GIPHY Built-in Asetek 280w TDP | 6.67'' AMOLED, 2K 60Hz, Rotatable, KANALI

$234.99as of 11/04/2026 08:07 PST - Details

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Spec score9.5

Pros

+360mm radiator for strong heat dissipation

+Fits AM5, LGA1700 and LGA1851 sockets

+Built-in RGB lighting

+Low noise at 27.86 dBA

Cons

−Large 360mm radiator needs case clearance

Compared with the 12 CPU Coolers on this page

+360 aio radiator size: the highest aio radiator size of the 11 here

+360mm radiator: the highest radiator of the 11 here

How pros and cons are picked (About: Disclaimer)

About this product

aio, 360 AIO radiator size

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ENERMAX LIQTECH XTR 360 AIO CPU Liquid Cooler, AMD Threadripper TR4/TR5, SP3/SP6 & Intel Xeon LGA4677 Ready, 550W+ TDP;

$282.66as of 11/04/2026 14:08 PST - Details

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Spec score9.5

Pros

+360mm radiator for high-heat server processors

+Supports AMD Threadripper TR4/TR5 and SP3/SP6 sockets

+Compatible with Intel Xeon LGA4677 socket

Cons

−Large 360mm radiator requires space in the chassis

Compared with the 12 CPU Coolers on this page

+360 aio radiator size: the highest aio radiator size of the 11 here

+360mm radiator: the highest radiator of the 11 here

How pros and cons are picked (About: Disclaimer)

About this product

aio, 360 AIO radiator size

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Lian Li HydroShift II LCD-S 360 TL Flex AIO Cooler, 3 Flex ARGB Fans,Black | 3.4" Hot-Swappable IPS Square LCD, 3x

$239.99as of 11/03/2026 23:58 PST - Details

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Spec score9.5

Pros

+360mm radiator for strong heat dissipation

+Includes three Flex ARGB fans

+3.4-inch hot-swappable IPS square LCD display

+Compatible with AM5, LGA1700 and LGA1851 sockets

Cons

−360mm radiator needs space in a compatible case

Compared with the 12 CPU Coolers on this page

+360 aio radiator size: the highest aio radiator size of the 11 here

+360mm radiator: the highest radiator of the 11 here

How pros and cons are picked (About: Disclaimer)

About this product

aio, 360 AIO radiator size

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Noctua NL-LC1-36, High-Performance 360mm AIO CPU Cooler | Industry-Leading Quiet Cooling, 30mm Slim Radiator, Pump

$249.95as of 11/04/2026 00:27 PST - Details

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Spec score9.5

Pros

+360mm radiator for high cooling capacity

+Supports AM5 socket

+Supports LGA 1851 socket

+30mm slim radiator

Cons

−360mm radiator needs space for installation

Compared with the 12 CPU Coolers on this page

+360 aio radiator size: the highest aio radiator size of the 11 here

+360mm radiator: the highest radiator of the 11 here

How pros and cons are picked (About: Disclaimer)

About this product

aio, 360 AIO radiator size

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PCCOOLER DX360PRO 360mm AIO Liquid Cooler, Dual 4" IPS LCD, ARGB, 320W TDP | 2600RPM Pump, 3000RPM Fans, 3D Animation

$299.99as of 11/04/2026 00:37 PST - Details

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Spec score9.5

Pros

+360mm radiator for strong cooling capacity

+Dual 4-inch IPS LCD displays

+Supports Intel LGA1700 and LGA1851 sockets

+Supports AMD AM5 socket

+Noise level of 33.1 dBA

Cons

−Noise level of 33.1 dBA under load

Compared with the 12 CPU Coolers on this page

+360 aio radiator size: the highest aio radiator size of the 11 here

+360mm radiator: the highest radiator of the 11 here

How pros and cons are picked (About: Disclaimer)

About this product