ASUS P5K SE/EPU, Intel, LGA 775 (Socket T), 8 GB, Non-ECC, ATX, 7.1 channels ASUS P5K SE/EPU. Processor manufacturer: Intel, Processor socket: LGA 775 (Socket T). Maximum internal memory: 8 GB, ECC сompatibility: Non-ECC. Motherboard form factor: ATX, Audio output channels: 7.1 channels, Audio chip: Realtek ALC883. BIOS memory size: 64 Mbit. Width: 305 mm, Depth: 193 mm