Product UPC: 808736713146 Lenovo ServeRAID RAID 5 Upgrade for IBM System x - RAID controller cache memory (512MB) - for System x3300 M4 x3500 M4 x3550 M4 x3650 M4 x3650 M4 BD
30 Day Warranty Included. Extended warranty is available. Contact your sales rep for more information.