Hardware Spec Index

Caldera CL-1721 Plus 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL1721-PLUS · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index952 (CPU Coolers scale)
Category rank#3,392
Street price$29
Power13 W
Performance per dollar32.83
Released2019

Specifications

BrandCaldera
ModelCaldera CL-1721 Plus
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 1,700 RPM
Pump3,200 RPM
Rated cooling280 W (manufacturer rating)
Noise31 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-8267 Edge Single tower Air CPU Cooler1,176$39Compare
Caldera CL-9426 Max Low profile Air CPU Cooler606$19Compare
Zephyra CL-5044 Plus 360mm AIO Liquid CPU Cooler1,580$79Compare
Brontix CL-8080 Ti 240mm AIO Liquid CPU Cooler617$19Compare
Caldera CL-6687 Ultra 360mm AIO Liquid CPU Cooler1,386$69Compare
Caldera CL-1160 Core 240mm AIO Liquid CPU Cooler729$19Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-1721 Plus 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/60005462 (accessed 2026-10-20).