SAS backplane accepts SATA drives (not vice versa) Buy with tray when possible — saves cost vs separate tray
ALWAYS ASK: "Does it come with tray/caddy?"
PRODUCT OVERVIEW
These IBM/Lenovo high-performance 7,200, 10,000, and 15,000 rpm 6 Gbps NL SATA and SAS HDD options are positioned at the top of the IBM SATA and SAS HDD line. The SATA are available in a hot-swap or simple-swap version and the SAS is available in hot-swap version. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.