Hardware Spec Index

Zephyra CL-6837 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6837-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index1,321 (CPU Coolers scale)
Category rank#35,182
Street price$69
Power13 W
Performance per dollar19.14
Released2019

Specifications

BrandZephyra
ModelZephyra CL-6837 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 2,300 RPM
Pump3,300 RPM
Rated cooling280 W (manufacturer rating)
Noise26 dBA (max)
Tubing400 mm, sleeved EPDM
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-7709 Core 240mm AIO Liquid CPU Cooler757$19Compare
Caldera CL-8467 Edge 240mm AIO Liquid CPU Cooler974$29Compare
Brontix CL-3287 Core Dual tower Air CPU Cooler1,880$119Compare
Caldera CL-8777 Core 360mm AIO Liquid CPU Cooler1,360$69Compare
Zephyra CL-1232 Pro 360mm AIO Liquid CPU Cooler1,766$109Compare
Caldera CL-8809 Plus 280mm AIO Liquid CPU Cooler1,348$49Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-6837 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/3532161 (accessed 2026-10-20).