Hardware Spec Index

Teralux PW-4377 Prime 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Teralux · SKU PW4377-PRIME · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index1,839 (Power Supplies scale)
Category rank#45,147
Street price$179
Power850 W (rated)
Performance per dollar10.27
Released2020

Specifications

BrandTeralux
ModelTeralux PW-4377 Prime
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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-3738 Max 550W 80 PLUS Bronze ATX 3.0 Power Supply992$49Compare
Novexa PW-2873 Ultra 1200W 80 PLUS Gold ATX 3.0 Power Supply1,998$189Compare
Caldera PW-4865 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply1,612$99Compare
Caldera PW-1627 Edge 850W 80 PLUS Gold ATX Power Supply1,547$109Compare
Novexa PW-2511 Prime 1000W 80 PLUS Gold SFX Power Supply1,748$139Compare
Teralux PW-6470 Max 550W 80 PLUS Bronze ATX Power Supply970$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Teralux PW-4377 Prime 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/31920689 (accessed 2026-10-23).