Hardware Spec Index

Zephyra PW-8231 XT 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW8231-XT · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index725 (Power Supplies scale)
Category rank#45,382
Street price$39
Power550 W (rated)
Performance per dollar18.59
Released2020

Specifications

BrandZephyra
ModelZephyra PW-8231 XT
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-9820 Pro 1000W 80 PLUS Gold ATX Power Supply1,540$109Compare
Zephyra PW-2189 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply1,794$129Compare
Vantrel PW-1970 Pro 850W 80 PLUS Gold ATX Power Supply1,170$69Compare
Novexa PW-2660 Prime 1000W 80 PLUS Gold ATX Power Supply2,272$219Compare
Caldera PW-3128 Max 850W 80 PLUS Gold ATX 3.0 Power Supply1,792$139Compare
Zephyra PW-9894 XT 1300W 80 PLUS Gold ATX 3.0 Power Supply2,528$289Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8231 XT 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/46975801 (accessed 2026-10-22).