Lenovo 2.5" PM1653 3.84TB Ri SAS HS

32GB DDR4-2400 Registered ECC 2RX4 1.2V 288-Pin CL17 Rdimm

Lenovo Part# 46W0835

Various Hard Drives

4TB ThinkSystem 3.5" SATA 7.2K 6GB Hot Swap 512N Hard Disk Drive

Lenovo Part# 7XB7A00051

Hard Drives - Internal – Hard Drive - SATA - SATA/600 - 7200 Spindle Speed (rpm) - Internal - 3.5" Form Factor - Server - 4 TB Storage Capacity - Lenovo ThinkSystem SR550 Server

1TB ThinkSystem 3.5" SATA 7.2K 6GB Hot Swap 512N Hard Disk Drive

Lenovo Part# 7XB7A00049

Hard Drives - Internal – Hard Drive - SATA - SATA/600 - 7200 Spindle Speed (rpm) - Internal - 3.5" Form Factor - Server - 1 TB Storage Capacity - Lenovo ThinkSystem SR550 Server