Industrial SL-8400BTX ATX Switching Power Supply

The Allied SL-8400BTX is a 400-watt ATX switching power supply designed for desktop and small industrial PCs that use a standard ATX power interface. This unit is a 24-pin ATX PSU intended for 115/230 VAC operation, enabling compatibility with different mains worldwide. It has been documented as the matching Allied power supply for Rosewill RD400-2SB Stallion Series builds, reflecting its use in that chassis family. Market listings also describe Allied’s 400W ATX switching power supplies under the SL-8400BTX designation. Retail listings, including Office Depot and other online retailers, identify the model as a 400W ATX desktop PSU, reinforcing its role as a mid-range solution for legacy systems.