Hardware Spec Index

Caldera CL-8991 Pro Single tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL8991-PRO · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,841 (CPU Coolers scale)
Category rank#9,518
Street price$109
Power3 W
Performance per dollar16.89
Released2021

Specifications

BrandCaldera
ModelCaldera CL-8991 Pro
TypeSingle tower air cooler
Heat pipes6× 6 mm copper
Height159 mm
Fans1× 120 mm PWM, up to 1,500 RPM
Rated cooling220 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
Teralux CL-1675 Plus Dual tower Air CPU Cooler2,361$149Compare
Brontix CL-6791 Prime Single tower Air CPU Cooler1,534$79Compare
Caldera CL-8248 Core Dual tower Air CPU Cooler2,254$169Compare
Caldera CL-7081 Core Single tower Air CPU Cooler970$29Compare
Brontix CL-1502 Max Single tower Air CPU Cooler675$19Compare
Brontix CL-7028 Ultra 280mm AIO Liquid CPU Cooler1,185$59Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-8991 Pro Single tower Air CPU Cooler”, https://vextor7.com/item/72046202 (accessed 2026-10-19).