Hardware Spec Index

Caldera PW-1071 Prime 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1071-PRIME · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index868 (Power Supplies scale)
Category rank#26,957
Street price$49
Power550 W (rated)
Performance per dollar17.71
Released2024

Specifications

BrandCaldera
ModelCaldera PW-1071 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
ModularitySemi-modular
Fan135 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
Vantrel PW-9666 SE 650W 80 PLUS Bronze ATX Power Supply778$39Compare
Teralux PW-9954 XT 1300W 80 PLUS Titanium ATX Power Supply2,581$259Compare
Vantrel PW-5426 Max 1000W 80 PLUS Titanium SFX Power Supply2,255$239Compare
Teralux PW-9102 Plus 1000W 80 PLUS Gold ATX 3.1 Power Supply1,618$119Compare
Teralux PW-3690 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,606$119Compare
Zephyra PW-4170 Ti 1200W 80 PLUS Titanium ATX Power Supply2,467$309Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1071 Prime 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/11279546 (accessed 2026-10-25).