Hardware Spec Index

Zephyra PW-4550 XT 1000W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW4550-XT · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index2,121 (Power Supplies scale)
Category rank#31,789
Street price$199
Power1000 W (rated)
Performance per dollar10.66
Released2022

Specifications

BrandZephyra
ModelZephyra PW-4550 XT
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Caldera PW-2283 Ultra 1000W 80 PLUS Gold ATX 3.1 Power Supply1,835$149Compare
Zephyra PW-2022 Core 1000W 80 PLUS Gold ATX Power Supply1,883$139Compare
Vantrel PW-4578 Ultra 850W 80 PLUS Gold ATX Power Supply1,633$119Compare
Novexa PW-7227 Core 1200W 80 PLUS Gold ATX 3.1 Power Supply2,183$189Compare
Novexa PW-9769 Pro 1000W 80 PLUS Gold ATX 3.0 Power Supply2,174$199Compare
Vantrel PW-6092 XT 1300W 80 PLUS Platinum ATX Power Supply2,980$369Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4550 XT 1000W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/31670735 (accessed 2026-10-22).