Hardware Spec Index

Vantrel PW-5851 Prime 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Vantrel · SKU PW5851-PRIME · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,090 (Power Supplies scale)
Category rank#4,285
Street price$49
Power550 W (rated)
Performance per dollar22.24
Released2021

Specifications

BrandVantrel
ModelVantrel PW-5851 Prime
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorSFX-L
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-9544 Max 850W 80 PLUS Gold SFX Power Supply1,943$169Compare
Novexa PW-7964 Edge 1000W 80 PLUS Gold SFX Power Supply2,505$239Compare
Teralux PW-8642 Pro 1600W 80 PLUS Titanium ATX Power Supply2,396$289Compare
Zephyra PW-4147 Core 1300W 80 PLUS Titanium ATX Power Supply2,648$329Compare
Caldera PW-4639 Ultra 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,708$329Compare
Teralux PW-8870 SE 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,535$319Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Vantrel PW-5851 Prime 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/5882415 (accessed 2026-10-24).