Hardware Spec Index

Caldera PW-4279 Prime 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW4279-PRIME · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,640 (Power Supplies scale)
Category rank#49,264
Street price$99
Power850 W (rated)
Performance per dollar16.57
Released2021

Specifications

BrandCaldera
ModelCaldera PW-4279 Prime
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-7068 Pro 650W 80 PLUS Bronze ATX Power Supply1,156$69Compare
Zephyra PW-4937 Edge 1000W 80 PLUS Gold ATX Power Supply2,132$179Compare
Vantrel PW-8276 Edge 1000W 80 PLUS Gold ATX 3.0 Power Supply1,678$129Compare
Zephyra PW-5084 SE 550W 80 PLUS Gold ATX 3.1 Power Supply993$39Compare
Vantrel PW-5612 XT 850W 80 PLUS Gold ATX Power Supply1,666$129Compare
Novexa PW-7154 XT 1000W 80 PLUS Gold ATX Power Supply2,001$169Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4279 Prime 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/52320230 (accessed 2026-10-25).