Hardware Spec Index

Novexa PW-1644 Plus 650W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW1644-PLUS · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index977 (Power Supplies scale)
Category rank#2,522
Street price$49
Power650 W (rated)
Performance per dollar19.94
Released2020

Specifications

BrandNovexa
ModelNovexa PW-1644 Plus
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
Fan135 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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-3436 Edge 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,980$389Compare
Novexa PW-7942 Prime 550W 80 PLUS Gold ATX 3.0 Power Supply1,090$69Compare
Caldera PW-9818 SE 850W 80 PLUS Gold SFX Power Supply1,675$119Compare
Teralux PW-2609 Prime 1000W 80 PLUS Platinum ATX Power Supply2,016$189Compare
Teralux PW-8644 SE 550W 80 PLUS Bronze ATX 3.0 Power Supply831$39Compare
Caldera PW-6154 Prime 1000W 80 PLUS Gold ATX 3.0 Power Supply1,971$179Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-1644 Plus 650W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/12467201 (accessed 2026-10-20).