SR-2000/2500 Slim - 2U High, Industrial Rackmount PC - Only 3.5" (2 U) High - Expansion slot capability without compromising space. - Ideal for Telco & Industrial applications where rack space is limited. - ATX Motherboard (SR-2500 Model) - SBC (Single Board Computer) on SR-2000 Model. - Pentium and AMD Processors. - ISA/PCI/PCIe Expansion card slots. - CUSTOM BUILT - TO FIT YOUR EXACT REQUIREMENT - DIM: 19" W x 3.5" H x 20.9" D