Hardware Spec Index

Zephyra PW-9887 Max 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW9887-MAX · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index990 (Power Supplies scale)
Category rank#37,095
Street price$49
Power550 W (rated)
Performance per dollar20.20
Released2023

Specifications

BrandZephyra
ModelZephyra PW-9887 Max
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularityNon-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
Teralux PW-5662 Max 650W 80 PLUS Gold ATX 3.0 Power Supply740$39Compare
Caldera PW-8197 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,755$129Compare
Caldera PW-2634 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply1,713$129Compare
Novexa PW-5096 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply729$39Compare
Vantrel PW-5283 Pro 650W 80 PLUS Bronze ATX 3.0 Power Supply1,040$49Compare
Novexa PW-6113 SE 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,428$249Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-9887 Max 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/2999747 (accessed 2026-10-19).