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
The BOSS Full Height RAID Controller Card from Dell offers reliability and performance in addition to providing management with the tolerant disk subsystem failures. The double module channel provides high-speed connectivity. This product has been tested and validated on Dell systems to ensure compatibility with your computer.
It is supported by Dell Technical Support when used with a Dell system. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.