BPN-350SAS is a mobile rack for the mainstream hard disk drive on the market today. It supports up to 5 SAS/SATA HDDs and can be applied for different RAID functions. With this device, hard disk drive can be installed and replaced at any time without the need to take off the PC casing. Also, the aluminum design and built-in cooling fan definitely helps for heat dissipating. BPN-350SAS definitely offers an economical removable storage solution.