This product is either discontinued or we cannot get that from suppliers.
Volans VL-DS30, Drive Size 2.5in & 3.5in, Interface USB 3.0, Number of Drives-2, Type and Rate USB 3.0 – 5 Gbit/s, SATA III (6 Gbps), Drive Connectors 2 – SATA Data & Power Combo (7+15 pin) Receptacle, Host Connectors 1 – USB Type-B (9 pin) USB 3.0 Female, Input 100 ~ 240 AC, Output 12 DC.
VOLANS VL-DS30 Dual Bay USB3.0 Aluminium Docking Station for 2.5″ and 3.5″ SATA HDD.