Hardware Spec Index

Vantrel PW-8181 Prime 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Vantrel · SKU PW8181-PRIME · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index1,716 (Power Supplies scale)
Category rank#48,570
Street price$139
Power850 W (rated)
Performance per dollar12.35
Released2023

Specifications

BrandVantrel
ModelVantrel PW-8181 Prime
Rated output850 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-pin2×
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
Vantrel PW-5031 Edge 1000W 80 PLUS Gold ATX Power Supply2,360$219Compare
Novexa PW-4236 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,480$109Compare
Caldera PW-3295 Ti 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,444$259Compare
Novexa PW-1072 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,661$119Compare
Caldera PW-9879 Ultra 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,326$259Compare
Caldera PW-3192 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply2,193$209Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Vantrel PW-8181 Prime 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/3131204 (accessed 2026-10-23).