Hardware Spec Index

Caldera CL-2821 Pro 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL2821-PRO · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,568 (CPU Coolers scale)
Category rank#2,378
Street price$99
Power13 W
Performance per dollar15.84
Released2024

Specifications

BrandCaldera
ModelCaldera CL-2821 Pro
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 1,900 RPM
Pump3,000 RPM
Rated cooling280 W (manufacturer rating)
Noise29 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 SocketIntel LGA1851 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-8623 Ultra Single tower Air CPU Cooler1,212$49Compare
Zephyra CL-8887 Max Single tower Air CPU Cooler630$19Compare
Teralux CL-9400 SE 240mm AIO Liquid CPU Cooler703$19Compare
Brontix CL-7065 Core 240mm AIO Liquid CPU Cooler686$19Compare
Brontix CL-2107 Max Dual tower Air CPU Cooler2,366$199Compare
Zephyra CL-9227 SE Low profile Air CPU Cooler870$29Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-2821 Pro 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/9577720 (accessed 2026-10-19).