Part #: X7K8W, 0X7K8W, Y796F, 0Y796F and WH5D2. The 3.5 hard drive tray caddy is compatible for D.ell PowerEdge 14th-16th Gen servers. It supports both SAS and SATA drives, making it a versatile solution for expanding storage capacity. Please check your server before purchase: D.ell PowerEdge 16th Gen: R760, R760xs, R7615, R7625, R660, R6615, R6625, T560, HS5610, HS5620; D.ell PowerEdge 15th Gen: R750, R750xs, R7515, R7525, R650, R650xs, R6515, R6525, R550, T550, R450; D.ell PowerEdge 14th Gen: R7415, R7425, R6415, R740, R740xd, R640, R540,R440; Compatible with Precision 7920 Rack, 3930 Rack; Compatible XC Series appliances XC640-10, XC740xd-12. Constructed from high-quality metal, this hard drive tray caddy is built to last. Its sturdy design ensures your 3.5' SAS or SATA drives are securely mounted and protected from damage, even in high-demand server environments.