Hardware Spec Index

Novexa PW-2551 XT 650W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW2551-XT · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index789 (Power Supplies scale)
Category rank#31,393
Street price$39
Power650 W (rated)
Performance per dollar20.23
Released2024

Specifications

BrandNovexa
ModelNovexa PW-2551 XT
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
Fan120 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
Teralux PW-7231 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,654$109Compare
Novexa PW-3036 Ultra 650W 80 PLUS Gold ATX 3.0 Power Supply1,087$59Compare
Caldera PW-4968 Core 750W 80 PLUS Bronze ATX 3.1 Power Supply1,205$59Compare
Vantrel PW-2836 SE 750W 80 PLUS Gold ATX 3.1 Power Supply1,350$69Compare
Vantrel PW-4845 Edge 550W 80 PLUS Bronze ATX 3.1 Power Supply804$39Compare
Caldera PW-5418 Core 1200W 80 PLUS Gold ATX 3.1 Power Supply2,534$279Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-2551 XT 650W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/19665456 (accessed 2026-10-24).