Hardware Spec Index

Zephyra PW-2748 Plus 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW2748-PLUS · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index994 (Power Supplies scale)
Category rank#15,666
Street price$49
Power550 W (rated)
Performance per dollar20.29
Released2020

Specifications

BrandZephyra
ModelZephyra PW-2748 Plus
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Zephyra PW-1657 Edge 850W 80 PLUS Gold SFX Power Supply1,307$69Compare
Caldera PW-4145 Edge 1000W 80 PLUS Gold ATX Power Supply1,786$119Compare
Caldera PW-2322 Max 1300W 80 PLUS Titanium ATX Power Supply2,455$289Compare
Zephyra PW-6418 Max 850W 80 PLUS Gold ATX 3.0 Power Supply1,748$129Compare
Teralux PW-1659 Edge 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,640$279Compare
Caldera PW-5269 XT 750W 80 PLUS Bronze SFX Power Supply990$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-2748 Plus 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/9044751 (accessed 2026-10-19).