Hardware Spec Index

Caldera CL-5991 Edge Single tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL5991-EDGE · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index1,294 (CPU Coolers scale)
Category rank#553
Street price$59
Power3 W
Performance per dollar21.93
Released2020

Specifications

BrandCaldera
ModelCaldera CL-5991 Edge
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height155 mm
Fans1× 120 mm PWM, up to 1,600 RPM
Rated cooling180 W (manufacturer rating)
Noise27 dBA (max)
RAM clearanceUnrestricted
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-9668 Core 420mm AIO Liquid CPU Cooler1,952$149Compare
Brontix CL-8028 Ultra Single tower Air CPU Cooler998$29Compare
Caldera CL-4467 Ultra Dual tower Air CPU Cooler2,174$149Compare
Zephyra CL-2644 SE 280mm AIO Liquid CPU Cooler1,222$59Compare
Brontix CL-3994 Ti Dual tower Air CPU Cooler2,205$159Compare
Brontix CL-4004 Edge Single tower Air CPU Cooler1,561$99Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-5991 Edge Single tower Air CPU Cooler”, https://vextor7.com/item/5158580 (accessed 2026-10-23).