Hardware Spec Index

Teralux PW-4389 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Teralux · SKU PW4389-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,544 (Power Supplies scale)
Category rank#28,722
Street price$99
Power850 W (rated)
Performance per dollar15.60
Released2022

Specifications

BrandTeralux
ModelTeralux PW-4389 Prime
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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-8165 Ti 1200W 80 PLUS Gold ATX 3.1 Power Supply2,075$199Compare
Caldera PW-6145 Ultra 750W 80 PLUS Gold ATX Power Supply1,585$129Compare
Vantrel PW-3455 Core 750W 80 PLUS Gold ATX 3.1 Power Supply1,035$49Compare
Novexa PW-2670 Prime 1200W 80 PLUS Platinum ATX Power Supply2,687$329Compare
Novexa PW-1427 Plus 1200W 80 PLUS Titanium ATX Power Supply2,580$309Compare
Vantrel PW-8103 SE 1000W 80 PLUS Platinum SFX Power Supply2,079$209Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Teralux PW-4389 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/9253502 (accessed 2026-10-21).