Dell PowerVault Storage MD1280 Dell Storage MD1280 Service Guide - Page 27

4 Technical specifications The technical specifications of the MD1280 are displayed in the following tables. Drives SAS hard drives Up to 84 SAS hot-swappable hard drives (6.0 Gbps or 12.0 Gbps) and SSDs Enclosure Management Modules (EMM) EMMs Two hot-swappable I/O EMM modules Connectivity Configurations Various server-attached configurations as specified by your solution provider. Backpanel Connectors SAS connectors • Asymmetric SAS Cabling for connection to the host and for expansion to an additional enclosure • Support Mini-SAS to Mini-SAS cable universally keyed for the following lengths that are currently supported: 0.5m-6m NOTE: SAS connectors are SFF-8086/ SFF-8088-compliant. LED Indicators Front panel Disk Drive In Carrier (DDIC) • One two-digit LCD indicator for Unit ID, error code, and unit location identifier • One two-color LED indicator for power status • One single-color LED indicator for module fault status (enclosure as a whole) • One single-color LED indicator for logical fault status (hard drive, HBA, RAID controller) • One single-color LED indicator for drive drawer 1 fault status • One single-color LED indicator for drive drawer 2 fault status One single-color LED for hard drive fault status 27