Hardware Spec Index

Zephyra PW-1770 Prime 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW1770-PRIME · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index917 (Power Supplies scale)
Category rank#37,924
Street price$49
Power550 W (rated)
Performance per dollar18.71
Released2019

Specifications

BrandZephyra
ModelZephyra PW-1770 Prime
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
Zephyra PW-1892 Edge 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,546$249Compare
Teralux PW-5142 Pro 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,828$329Compare
Novexa PW-8496 Ti 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,471$259Compare
Teralux PW-7993 Edge 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,752$359Compare
Caldera PW-3204 XT 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,617$369Compare
Caldera PW-4302 Core 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,862$339Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1770 Prime 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/9633115 (accessed 2026-10-22).