Hardware Spec Index

Caldera PW-6578 XT 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Caldera · SKU PW6578-XT · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index1,668 (Power Supplies scale)
Category rank#24,216
Street price$119
Power850 W (rated)
Performance per dollar14.02
Released2020

Specifications

BrandCaldera
ModelCaldera PW-6578 XT
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorSFX-L
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Vantrel PW-6542 Edge 1000W 80 PLUS Gold ATX Power Supply2,226$199Compare
Vantrel PW-8443 Core 1600W 80 PLUS Titanium ATX Power Supply2,925$369Compare
Novexa PW-3221 Prime 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,860$339Compare
Caldera PW-3420 Max 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,216$199Compare
Novexa PW-6357 Pro 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,668$329Compare
Zephyra PW-4137 Ti 1000W 80 PLUS Gold ATX 3.0 Power Supply2,417$229Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6578 XT 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/19631622 (accessed 2026-10-25).