Sans Digital has announced an update that redesigns its 5-bay external TowerRAID TR5M1 storage system into the TR5M-B and TR5M. Both models are based off the same features as their predecessors, offering up to 7.5TB of storage capacity and are fully compatible with the latest 1.5TB hard drives. Each storage device comes in a cable-less backplane design with a built-in ventilation protective-screen front panel. Hard drive trays are also installed to simplify the inserting and removal of hard drives.

As compact RAID towers, each device uses one cable to access five SATA drives, making use of its SATA II port multiplier technology. For cooling purposes, a large 4.7-inch cooling fan is installed at the back of the unit.

The TR5M-B Storage system comes in a black color, while the TR5M is silver. Priced at $315, both devices can be purchased via the company’s website.