Hardware Spec Index

Novexa PW-9451 Prime 650W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW9451-PRIME · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index921 (Power Supplies scale)
Category rank#18,290
Street price$49
Power650 W (rated)
Performance per dollar18.80
Released2026

Specifications

BrandNovexa
ModelNovexa PW-9451 Prime
Rated output650 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-pin1×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-4992 Prime 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,163$209Compare
Novexa PW-5991 Prime 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,580$309Compare
Vantrel PW-7901 Pro 650W 80 PLUS Bronze ATX 3.0 Power Supply1,217$69Compare
Vantrel PW-4396 XT 1200W 80 PLUS Platinum ATX Power Supply2,441$269Compare
Teralux PW-3516 Max 1300W 80 PLUS Gold ATX 3.0 Power Supply2,441$289Compare
Caldera PW-1348 XT 850W 80 PLUS Gold ATX Power Supply1,685$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-9451 Prime 650W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/6748931 (accessed 2026-10-25).