Hardware Spec Index

Caldera CL-4921 XT 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4921-XT · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index1,221 (CPU Coolers scale)
Category rank#6,139
Street price$49
Power13 W
Performance per dollar24.92
Released2024

Specifications

BrandCaldera
ModelCaldera CL-4921 XT
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 2,000 RPM
Pump3,200 RPM
Rated cooling280 W (manufacturer rating)
Noise31 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 SocketIntel LGA1851 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Caldera CL-4927 Ultra Low profile Air CPU Cooler817$29Compare
Teralux CL-2219 Prime Dual tower Air CPU Cooler2,217$159Compare
Caldera CL-9826 Ultra 240mm AIO Liquid CPU Cooler1,420$69Compare
Caldera CL-6371 Prime 360mm AIO Liquid CPU Cooler1,707$99Compare
Teralux CL-3496 Edge Single tower Air CPU Cooler1,593$89Compare
Caldera CL-3782 Ultra 240mm AIO Liquid CPU Cooler1,213$49Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-4921 XT 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/5422360 (accessed 2026-10-23).