Hardware Spec Index

Teralux PW-7890 XT 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Teralux · SKU PW7890-XT · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index868 (Power Supplies scale)
Category rank#13,662
Street price$49
Power550 W (rated)
Performance per dollar17.71
Released2019

Specifications

BrandTeralux
ModelTeralux PW-7890 XT
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-5135 Pro 550W 80 PLUS Bronze ATX 3.1 Power Supply840$39Compare
Novexa PW-8530 Prime 550W 80 PLUS Bronze ATX 3.1 Power Supply899$49Compare
Caldera PW-1897 SE 1300W 80 PLUS Titanium ATX Power Supply2,424$239Compare
Novexa PW-2371 Edge 550W 80 PLUS Bronze ATX Power Supply703$39Compare
Caldera PW-4258 Prime 750W 80 PLUS Gold SFX Power Supply1,356$69Compare
Caldera PW-9889 Edge 750W 80 PLUS Bronze ATX 3.0 Power Supply1,236$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Teralux PW-7890 XT 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/10169840 (accessed 2026-10-23).