Hardware Spec Index

Caldera PW-5228 Prime 1000W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW5228-PRIME · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,705 (Power Supplies scale)
Category rank#41,551
Street price$119
Power1000 W (rated)
Performance per dollar14.33
Released2021

Specifications

BrandCaldera
ModelCaldera PW-5228 Prime
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

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

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Cite this page: Hardware Spec Index, “Caldera PW-5228 Prime 1000W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/56586549 (accessed 2026-10-25).