Hardware Spec Index

Novexa PW-4854 Ultra 650W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW4854-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,085 (Power Supplies scale)
Category rank#37,525
Street price$49
Power650 W (rated)
Performance per dollar22.14
Released2025

Specifications

BrandNovexa
ModelNovexa PW-4854 Ultra
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityNon-modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Teralux PW-1302 Ti 750W 80 PLUS Bronze ATX Power Supply1,103$49Compare
Vantrel PW-8998 Edge 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,685$319Compare
Novexa PW-3260 XT 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,324$309Compare
Vantrel PW-3045 Ultra 650W 80 PLUS Bronze ATX Power Supply940$49Compare
Caldera PW-6790 Core 1000W 80 PLUS Titanium ATX 3.0 Power Supply2,328$259Compare
Vantrel PW-5366 Prime 750W 80 PLUS Gold ATX Power Supply1,619$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4854 Ultra 650W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/3697434 (accessed 2026-10-19).