Hardware Spec Index

Zephyra PW-8838 Prime 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW8838-PRIME · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index747 (Power Supplies scale)
Category rank#10,972
Street price$39
Power550 W (rated)
Performance per dollar19.15
Released2026

Specifications

BrandZephyra
ModelZephyra PW-8838 Prime
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
Fan120 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-8449 Ti 1200W 80 PLUS Gold ATX Power Supply2,508$249Compare
Novexa PW-2118 Core 850W 80 PLUS Bronze ATX 3.1 Power Supply1,365$89Compare
Caldera PW-1223 Core 550W 80 PLUS Gold ATX 3.1 Power Supply752$39Compare
Caldera PW-2912 Edge 550W 80 PLUS Gold ATX 3.1 Power Supply676$39Compare
Vantrel PW-2193 SE 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,980$399Compare
Caldera PW-3644 XT 1000W 80 PLUS Titanium ATX 3.0 Power Supply2,165$219Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8838 Prime 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/6561966 (accessed 2026-10-19).