I/O Processor Dual Core RAID-on-Chip 1.2GHz On-Board Cache 1GB on-board DDR3-1600 SDRAM with ECC Driver Connector 2 x SFF-8643 Management Port In-Band: PCIe / Out-of-Band: BIOS and LCD (Optional) and LAN Port Enclosure Ready Individual Activity/Faulty Header, Serial Bus and SGPIO Form Factor (LxH) Low Profile: 169.5 x 64.4 mm Item Dimension (L inchxW inchxH inch) 10 x 7 x 4