In Win also showed off its MS04 chassis for DIY NAS and home-server builders. Measuring 275 mm x 210 mm x 236 mm (WxDxH), the case can seat a standard mini-ITX motherboard, and features four 3.5-inch SATA drive caddies behind a front lockable door. It also features a slimline optical drive bay, and an internal 2.5-inch bay for the NAS/server's master drive. Other features include two USB 3.0 front-panel ports (standard header), an intrusion switch, which can be wired to your motherboard's "chassis intrusion" header, and a single 120 mm rear exhaust fan with 4-pin PWM control. The rear panel features one half-height expansion bracket, so you can drop in third-party RAID cards, or NICs.