Lenovo ThinkServer 8708EM2 PCI Express x8 3Gbit/s

ThinkServer 8708EM2 RAID Adapter 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.

<b>Performance specifications:</b>
- 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.