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      ThinkServer 8708EM2 RAID Adapter - Overview

      Features and specifications

      The eight-port MegaRAID SAS 8708EM2 (67Y2639) eliminates the need to choose between cost and performance by supporting both high-capacity SATA drives and high-performance SAS drives. This adapter is ideal for internal SAS/SATA storage systems using up to 32 SAS or SATA hard drives. Featuring the LSISAS1078 ROC, a PCI Express host interface and 667MHz DDRII, the MegaRAID SAS 8708EM2 is a high-performance RAID adapter with advanced data protection capabilities for low-cost server and nearline applications.

      Performance specifications:

      • Eight internal SAS/SATA ports
      • Two Mini-SAS SFF-8087 x4 connectors
      • 3Gb/s throughput per port
      • LSISAS1078 RAID on Chip (ROC)
        • 500MHz power-PC
        • Hardware RAID 5 & 6 parity engines
      • MD2 Low profile (6.6" X 2.536")
      • x8 PCI Express host interface
      • 256MB DDRII Cache (667MHz)
      • Optional battery backup unit
      • Connect up to 32 SAS and/or SATA devices
      • RAID levels 0, 1, 5 and 6 and RAID spans 10, 50 and 60
      • Auto-resume on rebuild and Auto-resume on reconstruction
      • Online Capacity Expansion (OCE) and Online RAID Level Migration (RLM)
      • Global and dedicated hot spare with revertible hot spare support
        • Automatic rebuild
        • Enclosure affinity
        • Emergency SATA hot spare for SAS arrays
      • Single controller multi-pathing (failover) and I/O load balancing

      Physical specifications:

      • Approximate height: 64.41 mm (2.536 in)
      • Approximate width: 18.71 mm (0.74 in)
      • Approximate length: 167.64 mm (6.6 in)
      • Approximate weight: 105g (0.23lb)

      Operating environment:

      • Temperature: 10 deg to 35 deg (C) (50 deg to 95 deg (F))
      • Relative humidity: 10% to 90% (non-condensing)

      Warranty

      1 year – Customer Replaceable Unit (CRU)

      • Announce date: 01 Mar 2011 (see country listing)
      • Availability date: 15 Mar 2011 (see country listing)

      Hardware compatibility
      DescriptionMachine typeModels
      ThinkServer RD2304010, 4011All
      ThinkServer RD2401045, 1046All


      Software requirements
      • VMWare 4.x
      • Windows Server 2003
      • Windows Server 2008
      • Windows Server 2008 R2
      • RHEL 5 U3
      • RHEL 5 U4
      • SLES 10 SP2
      • SLES 10 SP3
      • SLES 11

      Packaging
      • ThinkServer 8708EM2 RAID Adapter (256MB)
      • Publications
      • Low profile bracket
      • 400mm MiniSAS-MiniSAS Cable
      • 630mm MiniSAS-MiniSAS Cable x2

      Agency approvals
      • UL
      • CE EMC
      • C-tick
      • GS
      • cUL
      • CB
      • FCC

      Additional product information
      Service parts - Parts listing for your product

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      • Alias ID: MIGR-76775
      • Document ID: PD008433
      • Last Updated :17 Jun 2014
      • © 2015 Lenovo