Hardware Spec Index

Vantrel PW-3979 Plus 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Vantrel · SKU PW3979-PLUS · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,913 (Power Supplies scale)
Category rank#40,904
Street price$139
Power850 W (rated)
Performance per dollar13.76
Released2021

Specifications

BrandVantrel
ModelVantrel PW-3979 Plus
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully 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

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Cite this page: Hardware Spec Index, “Vantrel PW-3979 Plus 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/704247 (accessed 2026-10-19).