Hardware Spec Index

Vantrel PW-4638 Ultra 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Vantrel · SKU PW4638-ULTRA · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index1,047 (Power Supplies scale)
Category rank#44,259
Street price$59
Power550 W (rated)
Performance per dollar17.75
Released2021

Specifications

BrandVantrel
ModelVantrel PW-4638 Ultra
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan140 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
Zephyra PW-4214 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply1,149$59Compare
Caldera PW-1123 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,693$149Compare
Novexa PW-2366 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply2,200$199Compare
Teralux PW-1507 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply2,155$229Compare
Teralux PW-3080 SE 550W 80 PLUS Gold ATX 3.1 Power Supply755$39Compare
Novexa PW-9930 Ultra 1000W 80 PLUS Gold ATX 3.0 Power Supply2,190$209Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Vantrel PW-4638 Ultra 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/24370994 (accessed 2026-10-26).