Hardware Spec Index

Caldera PW-1375 Prime 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1375-PRIME · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index695 (Power Supplies scale)
Category rank#8,892
Street price$39
Power550 W (rated)
Performance per dollar17.82
Released2024

Specifications

BrandCaldera
ModelCaldera PW-1375 Prime
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Zephyra PW-3187 Ultra 850W 80 PLUS Gold ATX Power Supply1,390$79Compare
Vantrel PW-8014 Ultra 650W 80 PLUS Bronze ATX 3.0 Power Supply1,445$79Compare
Zephyra PW-5168 Ultra 650W 80 PLUS Bronze ATX 3.0 Power Supply1,219$69Compare
Teralux PW-6685 SE 850W 80 PLUS Gold ATX 3.0 Power Supply1,600$119Compare
Novexa PW-4161 XT 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,267$229Compare
Caldera PW-9258 Ultra 1000W 80 PLUS Gold ATX 3.1 Power Supply2,532$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1375 Prime 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/10813656 (accessed 2026-10-26).