Samsung HLT5087SAX 50-Inch Slim LED Engine 1080p DLP HDTV 50" LED light engine DLP HDTV 1920 x 1080-pixel resolution; 10,000:1 Contrast ratio Measures 45.2"(W) x 31.8"(H) x 13.4"(D) 61.3 Lbs. Connections: 3 HDMI, 2 S-Video, 2 Composite, 1 DVI Audio in, 2 Component Video Input, 2 RF input, 1 Video Out, 2 Audio out, 1 USB, 1 PC in Customers may receive HLT-5087X-XAA or HLT-5087SAX models. Samsung has confirmed there is no difference outside of model number suffix.