Our 308 Pro is a high end server chassis for single and dual socket systems. The 8 Hotswap caddy take 3.5" and 2.5" SATA/SAS/SSD drives, it has 2 * 5.25" bays that will accept optical drives, tape units or other caddy. One bracket is supplied for an internal 2.5" O/S drive. It has a 6Gb Mini SS backplane with 2 Mini SAS ports for 8 drives VIA motherboard with reverse breakout cable or direct to Raid card with 8087-8087 cables.
The unit and power supply are both low noise, the 120mm hotswap fans are connected VIA a single 4 pin cable directly to the motherboard fan head and controlled in the BIOS.