Hardware Spec Index

Novexa PW-3842 XT 650W 80 PLUS Bronze SFX Power Supply

Power Supplies · Novexa · SKU PW3842-XT · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index771 (Power Supplies scale)
Category rank#30,495
Street price$49
Power650 W (rated)
Performance per dollar15.73
Released2026

Specifications

BrandNovexa
ModelNovexa PW-3842 XT
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 factorSFX-L
ModularitySemi-modular
Fan120 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
Zephyra PW-3666 Pro 650W 80 PLUS Gold ATX 3.1 Power Supply1,345$79Compare
Caldera PW-6529 Core 1200W 80 PLUS Gold ATX Power Supply2,270$239Compare
Vantrel PW-5404 Ti 850W 80 PLUS Gold ATX Power Supply1,989$179Compare
Zephyra PW-7639 Plus 550W 80 PLUS Gold ATX Power Supply1,233$69Compare
Caldera PW-4433 Ti 1200W 80 PLUS Gold ATX 3.0 Power Supply2,133$189Compare
Teralux PW-2368 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,737$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-3842 XT 650W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/2601331 (accessed 2026-10-19).