Hardware Spec Index

Teralux PW-7121 Ultra 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Teralux · SKU PW7121-ULTRA · Released 2019 · Updated 2026-10-18

Key facts

Benchmark index902 (Power Supplies scale)
Category rank#17,754
Street price$39
Power550 W (rated)
Performance per dollar23.13
Released2019

Specifications

BrandTeralux
ModelTeralux PW-7121 Ultra
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularitySemi-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
Zephyra PW-2504 Max 1200W 80 PLUS Gold ATX Power Supply2,176$179Compare
Vantrel PW-6587 Plus 1000W 80 PLUS Gold ATX 3.0 Power Supply2,078$179Compare
Caldera PW-6385 Edge 850W 80 PLUS Platinum SFX Power Supply1,882$149Compare
Teralux PW-3223 SE 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,698$309Compare
Vantrel PW-1315 XT 650W 80 PLUS Bronze ATX Power Supply797$39Compare
Zephyra PW-6883 Edge 850W 80 PLUS Platinum ATX Power Supply1,910$159Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Teralux PW-7121 Ultra 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/323264 (accessed 2026-10-18).