Picture:

• 74.5" screen (measured diagonally)
• 4K screen resolution (3840 x 2160 pixels)
• Motion Rate 240 blur reduction (120Hz refresh rate)
• Full Array Elite direct-lit LED backlight with ultra-precise local dimming (hundreds of independent zones)
• Samsung QLED technologies:
  • Q Color™ quantum dot technology for increased color range and brightness
  • Q HDR EliteMax™ (HDR10, HDR10+, and HLG) for extended picture contrast and brightness when viewing HDR content from connected sources or streamed via the TV's built-in apps
  • Q Engine™ video processing improves contrast, shadow detail, and color accuracy
  • Q Contrast EliteMax™ with Ultra Black Elite™ anti-reflective screen reduces glare and deepens blacks
• 10-bit panel can display over one billion colors
• Auto Game Mode detects connection to a game console and optimizes settings for minimal lag

Video Source Compatibility:

• watch streamed 4K video sources like Netflix®, Amazon Instant Video, and YouTube (requires Internet speed of at least 20Mbps)
• tuner receives over-the-air HDTV broadcasts (antenna required)
• Clear QAM tuner decodes unencrypted digital cable signals up to 1080i without a set-top box (subscription required to receive cable channels)

Smart TV Features:

• built-in Bixby intelligent voice assistant
• control compatible SmartThings devices and appliances when you download the SmartThings app
• dual-band 802.11ac Wi-Fi® provides fast, reliable wireless streaming
• TV-to-mobile and mobile-to-TV wireless mirroring
• free downloadable apps for iOS® and Android™ let you use a compatible smartphone or tablet as a remote control

Connections (on One Connect Box):

• 4 HDMI 2.0b
  • all inputs are HDCP 2.2 compatible for connecting to 4K video sources
  • to view 4K and HDR content from connected sources, use a compatible high-bandwidth HDMI cable
• RF input for antenna/cable signals
• Toslink optical digital audio output (can pass Dolby® Digital multichannel or 2-channel audio from connected sources)
• Ethernet port for a wired network connection
• 3 USB inputs for connecting a camera or thumb drive
• One Connect Box dimensions: 15-3/8"W x 2-11/16"H x 7-5/16"D
• One Invisible Connection™: 16.4-ft. ultra-thin proprietary cable to connect hub to TV (carries signals and power)

Sound:

• built-in 4.2 speaker system (5 watts x 4, plus 20 watts x 2 for woofers)
• Bluetooth® wireless audio streaming to a compatible speaker or set of headphones
  • the TV's audio outputs will be disabled when streaming audio to Bluetooth headphones or speakers; you can choose to have the TV's built-in speakers play or not

General Features:

• metal OneRemote with built-in microphone for voice control
• Ambient Mode helps the TV blend into your room when it's wall-mounted, or shows screen savers featuring photos, artwork, or info like weather
• cable management: back of TV and pedestal base provide channels for neatly routing cables to the TV
• detachable pedestal stand ("footprint" is 25-5/16"W x 14-1/4"D)
• wall-mountable (bracket not included; Samsung's WMN-M22E No Gap Wall Mount is recommended)
• 66"W x 37-7/8"H x 1-3/4"D (39-1/4"H x 14-7/16"D on stand)
• weight: 90.4 lbs. with stand; 86.6 lbs. without stand