Hardware Spec Index

Zephyra PW-5249 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW5249-XT · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index890 (Power Supplies scale)
Category rank#8,860
Street price$49
Power550 W (rated)
Performance per dollar18.16
Released2025

Specifications

BrandZephyra
ModelZephyra PW-5249 XT
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityNon-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
Vantrel PW-7564 SE 1000W 80 PLUS Gold ATX Power Supply1,732$129Compare
Vantrel PW-8931 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply888$39Compare
Teralux PW-1338 Max 1000W 80 PLUS Gold ATX Power Supply2,420$289Compare
Caldera PW-2602 Pro 550W 80 PLUS Gold SFX Power Supply879$49Compare
Caldera PW-4621 Ti 750W 80 PLUS Gold SFX Power Supply1,560$99Compare
Caldera PW-4956 Max 850W 80 PLUS Gold ATX 3.0 Power Supply1,501$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-5249 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/1503454 (accessed 2026-10-23).