Hardware Spec Index

Teralux PW-6638 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Teralux · SKU PW6638-PRO · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,411 (Power Supplies scale)
Category rank#17,011
Street price$109
Power850 W (rated)
Performance per dollar12.94
Released2024

Specifications

BrandTeralux
ModelTeralux PW-6638 Pro
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan135 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
Teralux PW-8980 Plus 550W 80 PLUS Bronze SFX Power Supply912$49Compare
Teralux PW-6879 Ti 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,776$379Compare
Zephyra PW-8185 Edge 850W 80 PLUS Gold SFX Power Supply1,781$139Compare
Caldera PW-8338 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,678$99Compare
Caldera PW-9940 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,690$129Compare
Novexa PW-7956 Max 1000W 80 PLUS Gold ATX 3.0 Power Supply2,050$189Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Teralux PW-6638 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/24256444 (accessed 2026-10-19).