Hardware Spec Index

Novexa PW-4455 XT 1600W 80 PLUS Titanium ATX 3.1 Power Supply

Power Supplies · Novexa · SKU PW4455-XT · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index2,755 (Power Supplies scale)
Category rank#17,848
Street price$399
Power1600 W (rated)
Performance per dollar6.90
Released2024

Specifications

BrandNovexa
ModelNovexa PW-4455 XT
Rated output1,600 W continuous
Efficiency80 PLUS Titanium (94% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin5×
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-7982 Prime 750W 80 PLUS Bronze ATX 3.1 Power Supply1,098$49Compare
Zephyra PW-8779 Max 750W 80 PLUS Bronze ATX 3.0 Power Supply1,322$69Compare
Zephyra PW-1022 XT 750W 80 PLUS Gold ATX Power Supply1,105$59Compare
Zephyra PW-2497 Edge 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,660$369Compare
Caldera PW-7346 Pro 1200W 80 PLUS Platinum ATX Power Supply2,425$259Compare
Caldera PW-4395 XT 750W 80 PLUS Bronze ATX Power Supply1,117$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-4455 XT 1600W 80 PLUS Titanium ATX 3.1 Power Supply”, https://vextor7.com/item/15738579 (accessed 2026-10-22).