Hardware Spec Index

Caldera PW-7923 Prime 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW7923-PRIME · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index921 (Power Supplies scale)
Category rank#20,361
Street price$49
Power550 W (rated)
Performance per dollar18.80
Released2025

Specifications

BrandCaldera
ModelCaldera PW-7923 Prime
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Vantrel PW-2165 Pro 650W 80 PLUS Gold ATX 3.0 Power Supply771$39Compare
Novexa PW-7807 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply871$39Compare
Teralux PW-7199 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,492$89Compare
Zephyra PW-3567 Core 850W 80 PLUS Gold ATX 3.1 Power Supply1,463$99Compare
Novexa PW-4135 Ultra 750W 80 PLUS Gold ATX Power Supply1,620$99Compare
Caldera PW-9550 SE 650W 80 PLUS Bronze ATX Power Supply1,388$79Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7923 Prime 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/5779338 (accessed 2026-10-23).