Hardware Spec Index

Vantrel PW-4281 Ultra 550W 80 PLUS Gold SFX Power Supply

Power Supplies · Vantrel · SKU PW4281-ULTRA · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index985 (Power Supplies scale)
Category rank#11,663
Street price$49
Power550 W (rated)
Performance per dollar20.10
Released2023

Specifications

BrandVantrel
ModelVantrel PW-4281 Ultra
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorSFX-L
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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-6850 Edge 1000W 80 PLUS Titanium SFX Power Supply2,619$299Compare
Novexa PW-4619 XT 1000W 80 PLUS Titanium ATX 3.0 Power Supply2,270$199Compare
Vantrel PW-7197 Prime 1000W 80 PLUS Gold ATX 3.1 Power Supply2,123$199Compare
Vantrel PW-3748 Ti 1600W 80 PLUS Titanium ATX Power Supply2,869$319Compare
Novexa PW-3228 SE 1200W 80 PLUS Platinum ATX Power Supply2,538$289Compare
Teralux PW-8572 Max 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,610$319Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Vantrel PW-4281 Ultra 550W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/721789 (accessed 2026-10-21).