The ThinkServer RAID 500 Upgrade Key for Advanced RAID from Lenovo provides you with an option to upgrade your ThinkServer RAID 500 Adapter to advanced RAID 5 for increased data reliability. This is important for servers that retain critical business data.
Compatibility
ThinkServer RD330; RD340; RD440; RD540; RD640; RS140; TD330; TD340; TS430; TS440