4th Generation 3.5" Hot_Swap SAS/SATA Tray Black
( for 836TQ ) - Internal hot-Swap 3.5" tray - 3.5" Drive - SATA2 / SATA3 / SAS SAS2/ SAS3 Interface - 1-Drive Capacity - Steel/Plastic - Black Colour
MCP-220-00010-01 5.25" Tray ( no rail), black
( for 743, 745, 748 ) - Internal fixed 5.25" tray - 5.25" Drive - 1-Drive Capacity - Black Colour