Hardware Spec Index

Zephyra PW-3631 Pro 650W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW3631-PRO · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,292 (Power Supplies scale)
Category rank#47,041
Street price$79
Power650 W (rated)
Performance per dollar16.35
Released2021

Specifications

BrandZephyra
ModelZephyra PW-3631 Pro
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-3396 Max 750W 80 PLUS Bronze ATX Power Supply1,020$49Compare
Zephyra PW-1399 SE 1200W 80 PLUS Titanium ATX Power Supply2,892$299Compare
Novexa PW-6477 Max 1000W 80 PLUS Gold SFX Power Supply2,016$179Compare
Novexa PW-8395 XT 750W 80 PLUS Bronze ATX Power Supply1,151$59Compare
Teralux PW-7752 Max 850W 80 PLUS Gold ATX 3.1 Power Supply2,052$189Compare
Teralux PW-1237 Core 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,500$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3631 Pro 650W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/867005 (accessed 2026-10-19).