Hardware Spec Index

Zephyra PW-4538 Max 650W 80 PLUS Gold SFX Power Supply

Power Supplies · Zephyra · SKU PW4538-MAX · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index862 (Power Supplies scale)
Category rank#23,678
Street price$39
Power650 W (rated)
Performance per dollar22.10
Released2025

Specifications

BrandZephyra
ModelZephyra PW-4538 Max
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (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
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-2724 Max 850W 80 PLUS Gold ATX Power Supply1,436$99Compare
Teralux PW-1203 Max 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,515$269Compare
Caldera PW-9894 Edge 550W 80 PLUS Bronze ATX Power Supply748$39Compare
Teralux PW-2121 Edge 750W 80 PLUS Gold SFX Power Supply963$49Compare
Vantrel PW-4405 Pro 850W 80 PLUS Gold ATX Power Supply1,853$149Compare
Caldera PW-7139 Pro 550W 80 PLUS Gold ATX 3.1 Power Supply805$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4538 Max 650W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/20105295 (accessed 2026-10-22).