Hardware Spec Index

Novexa PW-6639 XT 1200W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW6639-XT · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index2,698 (Power Supplies scale)
Category rank#5,877
Street price$349
Power1200 W (rated)
Performance per dollar7.73
Released2026

Specifications

BrandNovexa
ModelNovexa PW-6639 XT
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty12 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-5157 SE 1000W 80 PLUS Gold ATX Power Supply1,912$149Compare
Vantrel PW-9007 Core 550W 80 PLUS Bronze ATX Power Supply936$39Compare
Caldera PW-5557 Plus 1000W 80 PLUS Gold ATX 3.1 Power Supply2,102$189Compare
Zephyra PW-6289 Edge 550W 80 PLUS Bronze ATX 3.1 Power Supply748$39Compare
Zephyra PW-6563 Pro 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,343$249Compare
Zephyra PW-7116 Plus 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,883$359Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-6639 XT 1200W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/91822030 (accessed 2026-10-22).