Hardware Spec Index

Caldera PW-1385 XT 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1385-XT · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index1,051 (Power Supplies scale)
Category rank#26,724
Street price$49
Power550 W (rated)
Performance per dollar21.45
Released2025

Specifications

BrandCaldera
ModelCaldera PW-1385 XT
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
Fan135 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
Zephyra PW-3889 Ti 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,787$369Compare
Novexa PW-2056 Max 550W 80 PLUS Bronze ATX Power Supply831$39Compare
Vantrel PW-5717 XT 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,108$199Compare
Teralux PW-5794 Core 750W 80 PLUS Gold ATX 3.0 Power Supply1,365$79Compare
Caldera PW-4069 SE 550W 80 PLUS Gold ATX 3.0 Power Supply990$49Compare
Caldera PW-2089 XT 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,332$249Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1385 XT 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/3168797 (accessed 2026-10-26).