Hardware Spec Index

Zephyra PW-9790 XT 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW9790-XT · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,083 (Power Supplies scale)
Category rank#22,135
Street price$59
Power550 W (rated)
Performance per dollar18.36
Released2019

Specifications

BrandZephyra
ModelZephyra PW-9790 XT
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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-3766 Pro 850W 80 PLUS Gold ATX Power Supply1,493$109Compare
Teralux PW-7838 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply2,027$189Compare
Teralux PW-8000 Max 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,479$299Compare
Zephyra PW-1251 SE 650W 80 PLUS Bronze SFX Power Supply1,140$59Compare
Novexa PW-1777 Plus 650W 80 PLUS Gold ATX 3.1 Power Supply1,284$89Compare
Caldera PW-4786 Core 750W 80 PLUS Gold ATX 3.0 Power Supply1,163$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-9790 XT 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/79486704 (accessed 2026-10-22).