Hardware Spec Index

Zephyra PW-3863 Max 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW3863-MAX · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index1,067 (Power Supplies scale)
Category rank#27,770
Street price$49
Power550 W (rated)
Performance per dollar21.78
Released2020

Specifications

BrandZephyra
ModelZephyra PW-3863 Max
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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

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Cite this page: Hardware Spec Index, “Zephyra PW-3863 Max 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/79065205 (accessed 2026-10-26).