Hardware Spec Index

Caldera PW-6577 Prime 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW6577-PRIME · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,267 (Power Supplies scale)
Category rank#45,352
Street price$59
Power850 W (rated)
Performance per dollar21.47
Released2020

Specifications

BrandCaldera
ModelCaldera PW-6577 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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-4946 Pro 1000W 80 PLUS Gold ATX Power Supply1,846$139Compare
Zephyra PW-2263 Ultra 1000W 80 PLUS Platinum ATX Power Supply1,925$149Compare
Teralux PW-8797 Core 650W 80 PLUS Bronze ATX Power Supply1,196$59Compare
Caldera PW-6468 Pro 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,889$369Compare
Zephyra PW-8122 Ti 750W 80 PLUS Gold ATX Power Supply1,039$49Compare
Novexa PW-2790 Prime 650W 80 PLUS Gold ATX Power Supply992$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6577 Prime 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/3535566 (accessed 2026-10-20).