2.5" to 3.5" HYBRID Tray Caddy Adapter Bracket For X7K8W 0X7K8W R440 R540 R740
X7K8W, 0X7K8W. 1 3.5" Hard Drive Caddy (X7K8W). PowerEdge R740. PowerEdge R440. PowerEdge R540. This combo consists of one Genuine Dell 3.5" 14th generation server drive tray and one OEM 9W8C4 2.5" to 3.5" adapter.