H.265+/H.265 dual-stream video compression Supports HDCVI/AHD/TVI/CVBS/IP video inputs Max 5 channels IP camera inputs, each channel up to 2MP; Max 20Mbps incoming bandwidth Long transmission distance over coax cable Supports 1 SATA HDD, up to 6TB Dimensions (L*B*H) : 3.96cm*2.7cm*0.37cm Weight : 3kg HDD"HDDSeagate SV35 Series hard drives offer high capacities, durable reliability and performance tuned to the high-write workloads of todays 24?7 video surveillance systems. 1TB-per-disk technology provides cost-effective 1TB, 2TB and 3TB capacities. MTBF of >1M hours Brand Dahua SKU 100220859_NP-1020475995 Model 6TB