Best Cooling Under £400 (2026)
28 active cooling priced at or below £400 · sorted by editor rating then price · prices update hourly
About this price band
The £400 cap is where most UK buyers in the cooling market actually shop. We only feature products with a live, primary affiliate offer, so every entry can actually be bought today. Prices are pulled from Amazon UK and refreshed on a regular schedule, so what you see here is what you will pay on the merchant page when you click through.
Every cooling we list under £400
Noctua NH-D15S, Premium Dual-Tower CPU Cooler with NF-A15 PWM 140mm Fan (Brown)
4.8/5£89.95
MSI MAG CoreLiquid I360 Black - AIO ARGB CPU Liquid Cooler - Infinity Mirror Design - UNI Bracket - 360mm Radiator - Triple 120mm ARGB PWM Fans - LGA 1700/1851 / AM5/AM4 Compatible
4.8/5£135.37
ionz IZP8 Ultra High Performance Thermal compound, Heatsink Paste For All CPU/GPU Coolers (2 Gram)
4.6/5£5.95
ionz IZP8 4 Grams Ultra High Performance Thermal compound, Heatsink Paste 4g For All CPU/GPU Coolers
4.6/5£9.99
Razer Laptop Cooling Pad - Smart cooling pad for 14‘-18’ laptops - airtight pressure chamber (customizable fan curves, 3-port USB-A hub, removable multi-function buttons) Black
4.6/5£109.99
Razer Kunai Hydraulic 120MM aRGB PC Fan: Quiet, Powerful aRGB Fan - PWM Fan Controller Support - Powered by Razer Chroma RGB - 1 Fan
4.5/5£38.32
