Hardware Spec Index

Zephyra PW-4974 Max 650W 80 PLUS Gold SFX Power Supply

Power Supplies · Zephyra · SKU PW4974-MAX · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,323 (Power Supplies scale)
Category rank#49,680
Street price$79
Power650 W (rated)
Performance per dollar16.75
Released2023

Specifications

BrandZephyra
ModelZephyra PW-4974 Max
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorSFX-L
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-1464 Core 650W 80 PLUS Bronze ATX 3.1 Power Supply850$39Compare
Novexa PW-1629 Pro 550W 80 PLUS Gold ATX 3.1 Power Supply837$39Compare
Vantrel PW-6965 Plus 550W 80 PLUS Bronze ATX Power Supply795$39Compare
Caldera PW-5709 Ultra 650W 80 PLUS Bronze ATX 3.1 Power Supply892$39Compare
Zephyra PW-8841 Edge 1200W 80 PLUS Platinum ATX Power Supply2,542$279Compare
Novexa PW-8748 Max 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,668$389Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4974 Max 650W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/8723707 (accessed 2026-10-20).