Hardware Spec Index

Caldera PW-2528 Pro 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW2528-PRO · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index710 (Power Supplies scale)
Category rank#31,432
Street price$39
Power550 W (rated)
Performance per dollar18.21
Released2021

Specifications

BrandCaldera
ModelCaldera PW-2528 Pro
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-8965 Pro 1000W 80 PLUS Gold ATX Power Supply2,167$179Compare
Novexa PW-7937 Ti 550W 80 PLUS Bronze ATX Power Supply925$39Compare
Teralux PW-7889 Pro 1000W 80 PLUS Platinum ATX 3.0 Power Supply1,938$199Compare
Zephyra PW-7991 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,498$109Compare
Teralux PW-3163 Prime 1000W 80 PLUS Gold ATX 3.1 Power Supply1,839$169Compare
Vantrel PW-8948 Core 850W 80 PLUS Gold ATX Power Supply1,562$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2528 Pro 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/8670979 (accessed 2026-10-21).