Motorola External Hard Drive Expander for DCH3416, DCH6416, DCT3412, DCT3416, DCT6412, DCT6416, DCX3400, DCX3501, DCX3510, DCX3520e, DSR630, RNG200N, HDPVR630 DVRs
Verizon FIOS External Hard Drive Expander for Motorola QIP 7216 7232 & Cisco CHS 435 HDC DVRs