Hardware Spec Index

Caldera CL-1821 SE Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL1821-SE · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index2,126 (CPU Coolers scale)
Category rank#20,091
Street price$149
Power6 W
Performance per dollar14.27
Released2020

Specifications

BrandCaldera
ModelCaldera CL-1821 SE
TypeDual tower air cooler
Heat pipes7× 6 mm copper
Height166 mm
Fans2× 120 mm PWM, up to 1,500 RPM
Rated cooling260 W (manufacturer rating)
Noise27 dBA (max)
RAM clearanceOffset fin stack, 45 mm
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

Related guides

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

Similar CPU Coolers

ModelBenchmarkPriceCompare
Caldera CL-8152 Plus Dual tower Air CPU Cooler1,965$119Compare
Teralux CL-6093 Pro Low profile Air CPU Cooler498$19Compare
Zephyra CL-5472 SE Dual tower Air CPU Cooler1,547$79Compare
Teralux CL-8922 Pro 420mm AIO Liquid CPU Cooler2,013$129Compare
Zephyra CL-3535 Max 360mm AIO Liquid CPU Cooler1,887$109Compare
Zephyra CL-5039 XT 420mm AIO Liquid CPU Cooler2,373$179Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-1821 SE Dual tower Air CPU Cooler”, https://vextor7.com/item/7938469 (accessed 2026-10-22).