LENOVO ServeRAID M5200 Series 4GB Cache/raid 5

The ServeRAID M5210 and M5210e SAS/SATA Controllers are high performance 12 Gb SAS controllers for internal disk storage. They are part of the ServeRAID M Series family that offers a complete server storage solution consisting of RAID controllers, cache/flash modules, energy packs, and software feature upgrades in an ultra-flexible offerings structure. These products are optimized to deliver the performance that is demanded by the ever-growing I/O requirements of today's enterprises. The M5210 is a low profile PCIe adapter, and the M5210e is integrated in servers such as the x3750 M4 and x3650 M4 HD. The two controllers share a common set of upgrades, simplifying inventory management.

The following figure shows the ServeRAID M5210 Controller with an optional cache installed.