Hardware Spec Index

Novexa PW-7821 SE 650W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW7821-SE · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index1,257 (Power Supplies scale)
Category rank#3,733
Street price$69
Power650 W (rated)
Performance per dollar18.22
Released2020

Specifications

BrandNovexa
ModelNovexa PW-7821 SE
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-1984 Ultra 1200W 80 PLUS Gold ATX 3.1 Power Supply2,400$209Compare
Vantrel PW-5947 SE 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,061$189Compare
Teralux PW-1720 Pro 850W 80 PLUS Platinum ATX Power Supply1,909$189Compare
Zephyra PW-8277 Ultra 550W 80 PLUS Gold SFX Power Supply775$39Compare
Zephyra PW-4734 Edge 1300W 80 PLUS Titanium ATX Power Supply2,887$319Compare
Teralux PW-2949 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply1,863$139Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-7821 SE 650W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/87632456 (accessed 2026-10-24).