System x Essential Service - 5Yr 24x7 4Hr Response + YourDrive YourData (V3700)

YourDrive YourData - Multi Drive and Hard Drive Retention
"Under the Limited Warranty and the Statement of Limited Warranty, when Lenovo replaces a defective part of your product, the defective part becomes the property of Lenovo. Under YourDrive YourData, you may keep the defective part that is replaced under the Limited Warranty and the Statement of Limited Warranty. This Service applies to the original part in your product and any replacement part provided for your product under the Limited Warranty and the Statement of Limited Warranty. You must provide Lenovo with the serial number of each part which you keep under this Service and execute any document as requested by Lenovo acknowledging your retention of the part. This Service only applies to parts for Products purchased by you.
Eligible Parts for YourDrive YourData Service are: Hard Drive designed to operate in Hard Drive Bay, Solid State Drive designed to operate in Hard Drive Bay, Flash I/O Drive as add-on card and Flash memory module (Flash DIMM) and Lenovo Server USB flash keys."

V3700 :
6099 24E
6099 2DE
6099 SEU
6099 TEU