Hardware Spec Index

Caldera PW-5977 Prime 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW5977-PRIME · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,558 (Power Supplies scale)
Category rank#40,743
Street price$99
Power850 W (rated)
Performance per dollar15.74
Released2021

Specifications

BrandCaldera
ModelCaldera PW-5977 Prime
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
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
Teralux PW-5746 Ultra 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,754$349Compare
Novexa PW-7461 XT 1600W 80 PLUS Titanium ATX Power Supply2,802$309Compare
Vantrel PW-9762 Core 1000W 80 PLUS Gold ATX Power Supply1,982$169Compare
Zephyra PW-8364 Prime 1000W 80 PLUS Platinum ATX Power Supply2,445$259Compare
Caldera PW-8568 SE 750W 80 PLUS Bronze ATX Power Supply1,196$69Compare
Vantrel PW-8532 Ultra 850W 80 PLUS Gold ATX Power Supply1,659$139Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5977 Prime 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/9865564 (accessed 2026-10-22).