Hardware Spec Index

Zephyra PW-4737 Max 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Zephyra · SKU PW4737-MAX · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index1,652 (Power Supplies scale)
Category rank#20,832
Street price$129
Power850 W (rated)
Performance per dollar12.81
Released2020

Specifications

BrandZephyra
ModelZephyra PW-4737 Max
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorSFX-L
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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

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Cite this page: Hardware Spec Index, “Zephyra PW-4737 Max 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/686238 (accessed 2026-10-19).