Hardware Spec Index

Zephyra PW-4205 XT 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW4205-XT · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index949 (Power Supplies scale)
Category rank#21,207
Street price$49
Power550 W (rated)
Performance per dollar19.37
Released2024

Specifications

BrandZephyra
ModelZephyra PW-4205 XT
Rated output550 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 factorATX
ModularityFully modular
Fan135 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
Caldera PW-8666 Max 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,791$379Compare
Caldera PW-7483 Max 650W 80 PLUS Gold ATX Power Supply829$39Compare
Caldera PW-6266 Prime 750W 80 PLUS Gold ATX Power Supply1,519$89Compare
Zephyra PW-2955 Plus 1300W 80 PLUS Gold ATX Power Supply2,514$299Compare
Vantrel PW-2998 SE 650W 80 PLUS Bronze ATX 3.1 Power Supply802$49Compare
Zephyra PW-2095 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply2,455$279Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4205 XT 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/7790091 (accessed 2026-10-25).