Extreme Engineering Solutions (X-ES) (Middleton, WI) is now shipping the XPand4200, a sub-1⁄2 ATR, forced air-cooled enclosure for conduction-cooled modules. The system measures 4.88" (W) × 6.0" (H) × 13.5" (D) and weighs 8.8 pounds. The XPand4200 has an optional removable memory module attachment that supports the XPort6191 Solid State Disk (SSD) removable storage module, with 64 GB of storage capacity. With the memory module attachment the height increases to 7.62" and the weight to 11.1 pounds. Up to six conduction-cooled, 0.8" pitch 3U VPX, 3U cPCI, or power supply modules can be configured into the XPand4200. Additionally, the XPand4200 can be configured to meet custom I/O requirements with conduction-cooled PMC / XMC modules available from X-ES or third parties.