The document introduces the SA-2100A Digital Cinema Server, a fourth generation digital cinema playback server from GDC Technology that fully complies with DCI specifications and security requirements. It retains all the features of the previous highly successful SA-2100 model while offering increased storage capacity and new standard features, such as a FIPS 140-2 certified media block, closed captioning support, and the ability to play back content instantly from removable hard drives or a TMS library. The server is also available in an optional quad link configuration that enables dual 3D playback or independent 2D playback to two projectors simultaneously.