Description:

The USB249 is a 2 in 1 Combo adaptor for both M.2 and mSATA SSD to SATA and USB 3.0 interface. Use this adaptor to easily access 6 different sized M.2 or mSATA SSDs via standard SATA or USB 3.0 port. Fast data transfer through the USB 3.0 interface. Suitable for data backup and migration.

If both M.2 & mSATA SSD inserted at the same time the M.2 SSD will take priority. The mSATA SSD will be disabled until the M.2 SSD is removed. 
The M.2 interface is B Key, M Key only or NVMeM.2 SSD are not supported.

mSATA + M.2 SSD 2 in 1 Combo adapter 
Detachable USB 3.0 cable, with SATA and USB 3.0 dual interface 
LED indicates power and activity status 
Support SATA Revision 3.2 
PCI Express M.2 Spec. Revision 0.7, Version 1.0 
PCI Express Mini Card Electromechanical Spec. 1.2 
B Key M.2 interface, support B Key or B+M Key M.2 SSD 
Thermal shutdown, Short circuit protection 
In-rush current suppression 
PWM synchronous buck converter Power IC 
Support following form factor M.2(NGFF) SSD: 
- Type 2230-D2-B-M: 30mm(L) x 22mm(W) 
- Type 2242-D2-B-M: 42mm(L) x 22mm(W) 
- Type 2260-D2-B-M: 60mm(L) x 22mm(W) 
- Type 2280-D2-B-M: 80mm(L) x 22mm(W) 
Support following form factor mSATA SSD: 
- Half size mSATA : 26.8mm(L) x 30mm(W) 
- Full size mSATA : 50.95mm(L) x 30mm(W)