Intel Desktop Board DQ43AP. Supported memory types: DDR2 800/667 DIMM, Memory voltage: 1.8 V, Maximum internal memory: 8 GB. Processor family: Intel, Processor socket: Socket 775, Processors compatible: Intel Core2 Quad/Duo, Intel Pentium / Intel Celeron. Audio system: Realtek ALC662, Audio output channels: 5.1. Storage temperature range (T-T): -20 - 70 °C, Operating temperature range (T-T): 0 - 55 °C. Width: 243.8 mm, Depth: 243.8 mm