Hardware Spec Index

Caldera CL-4821 Ultra Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL4821-ULTRA · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index2,386 (CPU Coolers scale)
Category rank#9,759
Street price$169
Power6 W
Performance per dollar14.12
Released2024

Specifications

BrandCaldera
ModelCaldera CL-4821 Ultra
TypeDual tower air cooler
Heat pipes8× 6 mm copper
Height165 mm
Fans2× 120 mm PWM, up to 2,100 RPM
Rated cooling280 W (manufacturer rating)
Noise33 dBA (max)
RAM clearanceOffset fin stack, 45 mm
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-4821 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/91829399 (accessed 2026-10-21).