Hardware Spec Index

Zephyra PW-3951 Pro 650W 80 PLUS Gold SFX Power Supply

Power Supplies · Zephyra · SKU PW3951-PRO · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index1,040 (Power Supplies scale)
Category rank#28,192
Street price$59
Power650 W (rated)
Performance per dollar17.63
Released2019

Specifications

BrandZephyra
ModelZephyra PW-3951 Pro
Rated output650 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
Novexa PW-8494 Prime 650W 80 PLUS Gold ATX 3.1 Power Supply1,243$69Compare
Caldera PW-6885 Max 750W 80 PLUS Bronze ATX Power Supply1,045$59Compare
Caldera PW-7244 SE 1000W 80 PLUS Gold ATX Power Supply2,441$269Compare
Teralux PW-3955 Plus 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,876$389Compare
Vantrel PW-8741 Pro 1200W 80 PLUS Gold ATX Power Supply2,223$199Compare
Teralux PW-9551 Plus 1000W 80 PLUS Gold SFX Power Supply2,309$189Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3951 Pro 650W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/82320911 (accessed 2026-10-25).