Hardware Spec Index

Novexa PW-7844 Plus 550W 80 PLUS Gold SFX Power Supply

Power Supplies · Novexa · SKU PW7844-PLUS · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index1,154 (Power Supplies scale)
Category rank#34,938
Street price$49
Power550 W (rated)
Performance per dollar23.55
Released2020

Specifications

BrandNovexa
ModelNovexa PW-7844 Plus
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorSFX-L
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Zephyra PW-8539 Prime 750W 80 PLUS Bronze ATX Power Supply939$39Compare
Novexa PW-3783 Max 1000W 80 PLUS Gold ATX 3.0 Power Supply1,887$169Compare
Teralux PW-2781 Plus 1000W 80 PLUS Gold ATX 3.1 Power Supply1,694$109Compare
Zephyra PW-4619 Pro 1600W 80 PLUS Titanium ATX Power Supply2,897$309Compare
Novexa PW-9818 Core 750W 80 PLUS Gold SFX Power Supply1,316$79Compare
Caldera PW-8903 Plus 650W 80 PLUS Bronze ATX Power Supply1,170$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-7844 Plus 550W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/85960561 (accessed 2026-10-23).