Hardware Spec Index

Zephyra PW-2637 Pro 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW2637-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index839 (Power Supplies scale)
Category rank#1,325
Street price$39
Power550 W (rated)
Performance per dollar21.51
Released2019

Specifications

BrandZephyra
ModelZephyra PW-2637 Pro
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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-7974 Prime 1000W 80 PLUS Gold SFX Power Supply2,021$209Compare
Caldera PW-7463 Core 1300W 80 PLUS Platinum ATX Power Supply2,387$299Compare
Teralux PW-1408 Edge 850W 80 PLUS Gold ATX Power Supply1,765$139Compare
Zephyra PW-6943 Prime 850W 80 PLUS Gold ATX Power Supply1,598$109Compare
Zephyra PW-8884 XT 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,157$229Compare
Teralux PW-8820 Ultra 1000W 80 PLUS Platinum ATX Power Supply1,940$169Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-2637 Pro 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/7533211 (accessed 2026-10-22).