Hardware Spec Index

Zephyra PW-3648 Pro 650W 80 PLUS Gold SFX Power Supply

Power Supplies · Zephyra · SKU PW3648-PRO · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,274 (Power Supplies scale)
Category rank#26,809
Street price$79
Power650 W (rated)
Performance per dollar16.13
Released2021

Specifications

BrandZephyra
ModelZephyra PW-3648 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
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-5619 Edge 750W 80 PLUS Bronze SFX Power Supply1,208$69Compare
Caldera PW-4269 Prime 1200W 80 PLUS Gold ATX 3.0 Power Supply2,596$319Compare
Caldera PW-8760 Prime 1200W 80 PLUS Gold ATX 3.1 Power Supply2,060$189Compare
Caldera PW-9789 Core 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,980$399Compare
Novexa PW-7139 XT 650W 80 PLUS Bronze ATX 3.1 Power Supply1,158$69Compare
Novexa PW-3052 XT 650W 80 PLUS Gold ATX 3.1 Power Supply993$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3648 Pro 650W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/5679293 (accessed 2026-10-19).