Hardware Spec Index

Caldera PW-2783 XT 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Caldera · SKU PW2783-XT · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index866 (Power Supplies scale)
Category rank#8,815
Street price$49
Power550 W (rated)
Performance per dollar17.67
Released2024

Specifications

BrandCaldera
ModelCaldera PW-2783 XT
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 factorSFX-L
ModularityNon-modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Teralux PW-8405 SE 650W 80 PLUS Gold SFX Power Supply1,102$59Compare
Caldera PW-3871 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,818$129Compare
Novexa PW-3030 Prime 1000W 80 PLUS Gold ATX Power Supply2,046$179Compare
Teralux PW-8889 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply793$39Compare
Caldera PW-3325 Plus 1300W 80 PLUS Gold ATX 3.0 Power Supply2,628$269Compare
Caldera PW-2966 Prime 1200W 80 PLUS Gold ATX 3.1 Power Supply2,112$209Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2783 XT 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/966565 (accessed 2026-10-21).