Hardware Spec Index

Zephyra PW-1276 XT 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Zephyra · SKU PW1276-XT · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index787 (Power Supplies scale)
Category rank#17,245
Street price$39
Power550 W (rated)
Performance per dollar20.18
Released2022

Specifications

BrandZephyra
ModelZephyra PW-1276 XT
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 factorSFX-L
ModularityNon-modular
Fan120 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
Novexa PW-6853 Ultra 1200W 80 PLUS Titanium ATX Power Supply2,448$259Compare
Vantrel PW-1611 Pro 650W 80 PLUS Gold ATX Power Supply972$49Compare
Vantrel PW-1964 Ultra 650W 80 PLUS Bronze ATX Power Supply940$39Compare
Vantrel PW-9066 Plus 1600W 80 PLUS Titanium ATX Power Supply2,963$359Compare
Vantrel PW-1275 XT 850W 80 PLUS Gold ATX Power Supply1,677$119Compare
Novexa PW-8777 Plus 550W 80 PLUS Bronze ATX 3.0 Power Supply793$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1276 XT 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/6989358 (accessed 2026-10-21).