Hardware Spec Index

Novexa PW-5851 Ultra 1200W 80 PLUS Platinum ATX 3.0 Power Supply

Power Supplies · Novexa · SKU PW5851-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index2,065 (Power Supplies scale)
Category rank#28,656
Street price$179
Power1200 W (rated)
Performance per dollar11.54
Released2023

Specifications

BrandNovexa
ModelNovexa PW-5851 Ultra
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-8511 Edge 750W 80 PLUS Gold ATX Power Supply1,601$99Compare
Novexa PW-2722 Edge 550W 80 PLUS Bronze ATX Power Supply849$39Compare
Zephyra PW-6535 Core 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,823$399Compare
Vantrel PW-4415 Edge 1000W 80 PLUS Gold ATX Power Supply2,148$199Compare
Novexa PW-4975 SE 550W 80 PLUS Bronze ATX 3.0 Power Supply877$39Compare
Vantrel PW-6365 Plus 1000W 80 PLUS Gold ATX 3.1 Power Supply1,875$159Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-5851 Ultra 1200W 80 PLUS Platinum ATX 3.0 Power Supply”, https://vextor7.com/item/3478099 (accessed 2026-10-25).