This model can now save and play files in HD 1080P, as well as the HD 720P/1080i formats. HDMI output is included in this model, as well as fast JPG image files. The ATSC tuner and PVR is available in T410 and the integrated ATSC Tuner and PVR is available in 4110. The difference between this model and the M-5100SH is in the ATSC Tuner and PVR processors. These optional functions provide digital TV set top box functions and PVR capabilities.