Hardware Spec Index

Zephyra PW-1638 Edge 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW1638-EDGE · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index838 (Power Supplies scale)
Category rank#7,608
Street price$39
Power550 W (rated)
Performance per dollar21.49
Released2025

Specifications

BrandZephyra
ModelZephyra PW-1638 Edge
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully 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
Teralux PW-7748 Max 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,857$319Compare
Novexa PW-1309 Max 1000W 80 PLUS Gold ATX Power Supply1,997$179Compare
Vantrel PW-6293 Ultra 750W 80 PLUS Gold ATX Power Supply1,570$119Compare
Novexa PW-5031 SE 850W 80 PLUS Bronze ATX Power Supply1,290$69Compare
Novexa PW-9779 Edge 1000W 80 PLUS Platinum ATX Power Supply1,896$169Compare
Caldera PW-1737 Ti 850W 80 PLUS Gold ATX Power Supply1,888$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1638 Edge 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/5908221 (accessed 2026-10-26).