Model   Name TS-551M  
OS Samsung TizenOS   TV  
Chasis NT72690  
Digital TV or ATV Digital   TV  
Display Technology QD-MiniLED  
Picture   and Sound
Back   Light Unit QD-MiniLED  
Resolution 3840*2160  
Backlight zone 140  
Refresh Rate 60Hz  
Average Brightness (cd/m2) ＞500   
Peak Brightness(cd/m2) ＞800  
Contrast Ratio ＞1000000:1  
Color gamut ＞85%NTSC  
Viewing Angle (H/V) 178°/178°(typ.)  
Life Time ＞20,000hrs (min)  
Color 1.07B   (8bit+FRC)  
Sound out Internal   speaker/ HDMI ARC /Optical/Bluetooth  
Internal  Speakers  type BOX   speakers  
Internal Speaker Powers 2*10W  
Digital Sound out PCM/DOLBY   Digital PLUS/ HEAAC  
Auto voice control Yes  
Surround Yes  
HW   INFO.
Operating   System Samsung   TizenOS8.0  
CPU ARM   CA53 Quad-core  
GPU Mali-G52-2EE   MC1  
Coprocessor 4   core  
DDR/Flash DDR   1.5GB / eMMC 8GB  
DTV DVB-T/C/T2/S/S2/ISDB-T/ATSC  
Audio MPEG1   layer 1/2,MPEG 2 layer 2, Dolby digital, Dolby digital plus.   
Image Processing Technology HDR   / HLG/ HDR+  
Color System PAL/SECAM  
Media  Format    MPEG-4, H.264, H.265,VP9，Doiby digital，Dolby digital plus，Dolby MS11, Dolby MS12,   MPEG1/2,VC-1,XVID  
Voice Control YES  
Bluetooth YES  
SAMSUNG TV PLUS YES  
SAMSUNG  GAMING Hub YES  
Multi-screen YES  
Apple homekit YES  
Apple   airplay YES  
Bluetooth   surround YES  
WiFi IEEE   802.11 b/g/n/AC  2.4G/5G  
Software   features
ATV PAL/SECAM/NTSC  
DTV DVB/ISDB-T/ATSC/DTMB(OPTION)  
OSD English,  Spanish, French, Portuguese etc.  
Apps Netflix,YouTube，Prime video，Densiy+，AIRPLAY, APPLE HOMEKIT, Browser,SAMSUNG TV APP Store, Media,   etc.  
Browser Native   browser  
Favourite Programs Yes  
Programs Searching Yes  
Recording Yes  
Sleep Timer off/10/20/30/60/90/120/180/240min  
Software upgrading USB   / OTA  
BASIC   Info.
Power   Supply AC100-240V~  50/60HZ  
Power Consumption-TV on ≤   260W  
Power Consumption-Standby ≤0.5W  
Packaged Dimension (L*H*W) 1372*160*840MM