Hardware Spec Index

Novexa PW-3921 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW3921-XT · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index1,939 (Power Supplies scale)
Category rank#14,281
Street price$139
Power1000 W (rated)
Performance per dollar13.95
Released2025

Specifications

BrandNovexa
ModelNovexa PW-3921 XT
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-9875 Plus 550W 80 PLUS Bronze ATX 3.1 Power Supply1,187$59Compare
Caldera PW-8919 Core 1000W 80 PLUS Titanium ATX Power Supply2,365$199Compare
Novexa PW-6210 Ultra 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,148$219Compare
Zephyra PW-3543 Edge 1200W 80 PLUS Platinum ATX Power Supply2,213$249Compare
Novexa PW-3877 Edge 750W 80 PLUS Gold ATX Power Supply1,620$99Compare
Vantrel PW-9574 SE 750W 80 PLUS Bronze ATX Power Supply1,473$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-3921 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/30455456 (accessed 2026-10-22).