Hardware Spec Index

Novexa PW-3451 Prime 1000W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW3451-PRIME · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index1,942 (Power Supplies scale)
Category rank#12,976
Street price$159
Power1000 W (rated)
Performance per dollar12.21
Released2020

Specifications

BrandNovexa
ModelNovexa PW-3451 Prime
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Caldera PW-5511 Prime 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,952$369Compare
Novexa PW-4143 Ultra 850W 80 PLUS Gold ATX Power Supply1,731$139Compare
Novexa PW-5678 Plus 1000W 80 PLUS Gold SFX Power Supply1,825$149Compare
Caldera PW-7725 Ti 650W 80 PLUS Gold ATX Power Supply1,165$69Compare
Caldera PW-5102 Pro 1000W 80 PLUS Platinum ATX Power Supply2,130$229Compare
Vantrel PW-4663 Max 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,872$319Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-3451 Prime 1000W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/9066112 (accessed 2026-10-26).