Hardware Spec Index

Teralux PW-2277 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Teralux · SKU PW2277-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index943 (Power Supplies scale)
Category rank#21,807
Street price$49
Power550 W (rated)
Performance per dollar19.24
Released2025

Specifications

BrandTeralux
ModelTeralux PW-2277 Ultra
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityNon-modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Vantrel PW-1327 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,292$69Compare
Zephyra PW-5858 Pro 1200W 80 PLUS Platinum ATX Power Supply2,565$349Compare
Teralux PW-9364 SE 1300W 80 PLUS Titanium ATX Power Supply2,601$309Compare
Vantrel PW-7723 Prime 1600W 80 PLUS Titanium ATX Power Supply2,868$369Compare
Vantrel PW-7581 Plus 850W 80 PLUS Gold SFX Power Supply1,628$99Compare
Novexa PW-9960 SE 850W 80 PLUS Gold ATX Power Supply1,435$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Teralux PW-2277 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/6979577 (accessed 2026-10-21).