See Details: GR-08 (from serial number GR-00101 to GR-5000)-->200 Base Components GR-12 (from serial number GR-00101 to GR-5000)-->200 Base Components GR-15 (from serial number GR-00101 to GR-5000)-->200 Base Components GS-2046 (from serial number GS-101 to 59999)-->200 Drive Chassis Components GS-2646 (from serial number GS-101 to 59999)-->200 Drive Chassis Components GS-2668 DC (from serial number 101 to 41317)-->300 Chassis Components GS-2668 DC (from serial number GS-68-41318 to GS68-41998 and from GS6803-41999 to GS6811-53419)-->300 Chassis Components GS-2668 RT (from serial number 101 to 41199)-->400 Chassis Components GS-2668 RT (from serial number 41200)-->400 Chassis Tray Components GS-3246 (from serial number GS-101 to 59999)-->200 Drive Chassis Components GS-3268 DC (from serial number 101 to 41317)-->300 Chassis Components GS-3268 DC (from serial number GS-68-41318 to GS68-41998 and from GS6803-41999 to GS6811-53419)-->300 Chassis Components GS-3268 RT (from serial number 101 to 41199)-->400 Chassis Components GS-3268 RT (from serial number 41200)-->400 Chassis Tray Components GS-3384 (from serial number 40001 to 40832)-->400 Chassis Tray Components GS-3390 (from serial number 40001 to 42685)-->400 Engine and Chassis Tray Components GS-4390 (from serial number 40001 to 42685)-->400 Engine and Chassis Tray Components GS-5390 (from serial number 40001 to 42685)-->400 Engine and Chassis Tray Components IWP Super Series (from serial number IWP02-4205 to IWP16-9834 and from IWP16G-9835 to IWP16G-11999)-->400 Power Groups