Hardware Spec Index

Zephyra PW-7621 Max 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW7621-MAX · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index793 (Power Supplies scale)
Category rank#23,848
Street price$49
Power550 W (rated)
Performance per dollar16.18
Released2025

Specifications

BrandZephyra
ModelZephyra PW-7621 Max
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
Fan140 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
Caldera PW-8399 XT 850W 80 PLUS Gold ATX 3.0 Power Supply1,816$129Compare
Teralux PW-7056 Prime 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,580$279Compare
Vantrel PW-6300 Ti 750W 80 PLUS Gold ATX 3.1 Power Supply1,391$79Compare
Caldera PW-2691 Plus 750W 80 PLUS Gold ATX 3.1 Power Supply1,607$89Compare
Caldera PW-2680 Plus 750W 80 PLUS Gold ATX 3.1 Power Supply1,677$129Compare
Novexa PW-9641 Max 1000W 80 PLUS Gold ATX Power Supply1,887$159Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-7621 Max 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/82883565 (accessed 2026-10-24).