Hardware Spec Index

Vantrel PW-1291 Prime 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Vantrel · SKU PW1291-PRIME · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index762 (Power Supplies scale)
Category rank#41,507
Street price$39
Power550 W (rated)
Performance per dollar19.54
Released2023

Specifications

BrandVantrel
ModelVantrel PW-1291 Prime
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularitySemi-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
Novexa PW-4664 Ti 550W 80 PLUS Gold ATX 3.0 Power Supply1,123$59Compare
Novexa PW-8990 Plus 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,988$159Compare
Teralux PW-5428 Plus 650W 80 PLUS Bronze ATX 3.0 Power Supply1,200$69Compare
Teralux PW-4342 Prime 850W 80 PLUS Bronze ATX Power Supply1,420$79Compare
Caldera PW-3418 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,544$119Compare
Novexa PW-4097 SE 1000W 80 PLUS Platinum ATX 3.0 Power Supply1,919$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Vantrel PW-1291 Prime 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/7606790 (accessed 2026-10-23).