Hardware Spec Index

Zephyra PW-6552 Ultra 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW6552-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index983 (Power Supplies scale)
Category rank#46,158
Street price$49
Power550 W (rated)
Performance per dollar20.06
Released2020

Specifications

BrandZephyra
ModelZephyra PW-6552 Ultra
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
Fan120 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
Caldera PW-6665 SE 650W 80 PLUS Gold ATX 3.1 Power Supply788$39Compare
Caldera PW-4344 Core 750W 80 PLUS Gold SFX Power Supply1,223$69Compare
Novexa PW-7168 Plus 1200W 80 PLUS Platinum ATX Power Supply2,169$229Compare
Teralux PW-4390 Core 650W 80 PLUS Gold ATX Power Supply747$39Compare
Vantrel PW-8598 Ti 750W 80 PLUS Gold ATX 3.1 Power Supply1,601$99Compare
Teralux PW-7840 SE 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,404$249Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-6552 Ultra 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/2738403 (accessed 2026-10-24).