Hardware Spec Index

Caldera CL-6728 Ultra Single tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL6728-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index1,449 (CPU Coolers scale)
Category rank#39,466
Street price$69
Power3 W
Performance per dollar21.00
Released2020

Specifications

BrandCaldera
ModelCaldera CL-6728 Ultra
TypeSingle tower air cooler
Heat pipes6× 6 mm copper
Height159 mm
Fans1× 120 mm PWM, up to 2,200 RPM
Rated cooling220 W (manufacturer rating)
Noise24 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-2895 XT Single tower Air CPU Cooler1,171$49Compare
Brontix CL-8274 Edge 240mm AIO Liquid CPU Cooler713$19Compare
Brontix CL-4350 Pro 420mm AIO Liquid CPU Cooler2,241$179Compare
Brontix CL-8405 Core 360mm AIO Liquid CPU Cooler1,801$129Compare
Caldera CL-8878 XT Single tower Air CPU Cooler1,957$129Compare
Brontix CL-3420 Max Low profile Air CPU Cooler620$19Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-6728 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/9550423 (accessed 2026-10-24).