Hardware Spec Index

Caldera PW-8773 Ultra 650W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW8773-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index915 (Power Supplies scale)
Category rank#30,349
Street price$49
Power650 W (rated)
Performance per dollar18.67
Released2022

Specifications

BrandCaldera
ModelCaldera PW-8773 Ultra
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (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
Warranty7 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-9463 Ti 650W 80 PLUS Gold SFX Power Supply776$39Compare
Novexa PW-3946 SE 1200W 80 PLUS Platinum ATX Power Supply2,328$289Compare
Zephyra PW-3606 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,495$109Compare
Novexa PW-9968 Ultra 1000W 80 PLUS Gold ATX 3.1 Power Supply1,771$149Compare
Novexa PW-3508 Ti 1000W 80 PLUS Gold ATX Power Supply2,025$159Compare
Caldera PW-7950 XT 1600W 80 PLUS Titanium ATX Power Supply2,681$329Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8773 Ultra 650W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/7796675 (accessed 2026-10-26).