Hardware Spec Index

Zephyra PW-4756 Plus 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW4756-PLUS · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index1,088 (Power Supplies scale)
Category rank#10,154
Street price$49
Power550 W (rated)
Performance per dollar22.20
Released2024

Specifications

BrandZephyra
ModelZephyra PW-4756 Plus
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
ModularitySemi-modular
Fan120 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-9323 Core 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,621$259Compare
Novexa PW-1510 Prime 850W 80 PLUS Gold ATX Power Supply1,761$119Compare
Teralux PW-5366 Ultra 550W 80 PLUS Gold ATX 3.1 Power Supply878$39Compare
Caldera PW-9310 XT 750W 80 PLUS Gold ATX 3.0 Power Supply1,438$99Compare
Teralux PW-4264 Max 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,240$219Compare
Vantrel PW-3579 Prime 750W 80 PLUS Gold ATX 3.1 Power Supply1,563$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4756 Plus 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/5567974 (accessed 2026-10-24).