Hardware Spec Index

Caldera PW-5477 XT 650W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW5477-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,257 (Power Supplies scale)
Category rank#2,656
Street price$69
Power650 W (rated)
Performance per dollar18.22
Released2021

Specifications

BrandCaldera
ModelCaldera PW-5477 XT
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan120 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
Novexa PW-7824 SE 1000W 80 PLUS Gold ATX 3.0 Power Supply2,051$179Compare
Teralux PW-1936 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply2,075$189Compare
Vantrel PW-7975 Pro 1000W 80 PLUS Titanium ATX 3.0 Power Supply2,380$289Compare
Vantrel PW-3600 SE 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,238$259Compare
Teralux PW-9179 XT 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,335$209Compare
Teralux PW-5388 Ti 550W 80 PLUS Bronze ATX 3.1 Power Supply1,112$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5477 XT 650W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/13622652 (accessed 2026-10-19).