Hardware Spec Index

Vantrel PW-1251 Pro 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Vantrel · SKU PW1251-PRO · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index908 (Power Supplies scale)
Category rank#17,976
Street price$39
Power550 W (rated)
Performance per dollar23.28
Released2021

Specifications

BrandVantrel
ModelVantrel PW-1251 Pro
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-2545 Prime 850W 80 PLUS Gold SFX Power Supply1,552$119Compare
Zephyra PW-5584 Prime 650W 80 PLUS Gold ATX 3.1 Power Supply1,162$59Compare
Caldera PW-5845 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply789$39Compare
Vantrel PW-6050 Plus 850W 80 PLUS Gold ATX Power Supply1,685$119Compare
Teralux PW-7664 Ultra 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,980$369Compare
Teralux PW-3814 Prime 650W 80 PLUS Bronze ATX 3.1 Power Supply827$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Vantrel PW-1251 Pro 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/20163464 (accessed 2026-10-19).