Hardware Spec Index

Teralux PW-7581 Ultra 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Teralux · SKU PW7581-ULTRA · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index2,107 (Power Supplies scale)
Category rank#44,280
Street price$169
Power850 W (rated)
Performance per dollar12.47
Released2019

Specifications

BrandTeralux
ModelTeralux PW-7581 Ultra
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
Fan135 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-7018 Ti 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,691$329Compare
Novexa PW-2701 Pro 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,623$319Compare
Zephyra PW-5558 SE 850W 80 PLUS Bronze ATX 3.1 Power Supply1,467$89Compare
Caldera PW-4420 Pro 1000W 80 PLUS Gold ATX 3.1 Power Supply2,250$219Compare
Zephyra PW-4755 XT 650W 80 PLUS Gold ATX Power Supply1,213$79Compare
Vantrel PW-8595 Ti 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,980$399Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Teralux PW-7581 Ultra 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/20095715 (accessed 2026-10-26).