Lenovo Hard Disk Drive_Bo ThinkServer 4TB 7200 3.5 Hard Disk Drive

Thinksystem 2.5" 2TB 7.2K SAS 12GB Hot Swap 512N Hard Disk Drive

Lenovo Part# 7XB7A00035

Hard Drives - Internal – Hard Drive - SAS - 12Gb/s SAS Drive Interface Standard - 7200 Spindle Speed (rpm) - Internal - 2.5" Form Factor - Server - 2 TB Storage Capacity - Lenovo ThinkSystem SR550 Server

Thinksystem 3.5 inch 6TB 7.2K SAS 12GB Hot Swap 512E Hard Disk Drive

Lenovo Part# 7XB7A00044

Hard Drives - New Additions – Hard Drive - SAS - 12Gb/s SAS Drive Interface Standard - 7200 Spindle Speed (rpm) - Internal - 3.5" Form Factor - Server - 6 TB Storage Capacity - Lenovo ThinkSystem SR550 Server