Hardware Spec Index

Novexa PW-3976 SE 650W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW3976-SE · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index980 (Power Supplies scale)
Category rank#34,440
Street price$49
Power650 W (rated)
Performance per dollar20.00
Released2020

Specifications

BrandNovexa
ModelNovexa PW-3976 SE
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully 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
Vantrel PW-4477 Edge 1300W 80 PLUS Titanium ATX Power Supply2,350$279Compare
Novexa PW-5862 Pro 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,456$299Compare
Novexa PW-3827 SE 1000W 80 PLUS Gold ATX 3.0 Power Supply1,666$109Compare
Caldera PW-6394 Max 750W 80 PLUS Gold ATX 3.1 Power Supply1,424$89Compare
Novexa PW-9165 Prime 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,596$299Compare
Zephyra PW-3071 Core 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,834$379Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-3976 SE 650W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/29134504 (accessed 2026-10-25).