Hardware Spec Index

Caldera PW-5577 Plus 650W 80 PLUS Bronze SFX Power Supply

Power Supplies · Caldera · SKU PW5577-PLUS · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,105 (Power Supplies scale)
Category rank#46,818
Street price$59
Power650 W (rated)
Performance per dollar18.73
Released2021

Specifications

BrandCaldera
ModelCaldera PW-5577 Plus
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorSFX-L
ModularityNon-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
Zephyra PW-1994 Ultra 1300W 80 PLUS Titanium ATX Power Supply2,460$269Compare
Teralux PW-2378 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply1,671$119Compare
Vantrel PW-4340 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,789$149Compare
Vantrel PW-4885 Plus 850W 80 PLUS Gold SFX Power Supply1,932$179Compare
Novexa PW-6220 Pro 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,385$219Compare
Teralux PW-5565 XT 550W 80 PLUS Bronze ATX Power Supply735$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5577 Plus 650W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/8964828 (accessed 2026-10-22).