- 4 x 3.5" SATA Hot Swap into 3 x 5.25" Drive Bays
- Supporting 4 Bay SATA-I SATA-II and SATA-III 6GB/s /SAS Hot-swap
- Electromagnetism shield design
- Redundant 4-pin molex power connectors
- Support hot-swap
- Supporting all operating systems
- Ball bearing fan with air duct
- Supporting RAID 0,1,5,6,10 functions( Raid card required)

-  With or without front door nas case

4 bays OEM nas case

OEM is welcome

---with door

---without door