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SAMSUNG QA77S90CAJXZK 77"4K OLED Smart TV

SAMSUNG QA77S90CAJXZK 77"4K OLED Smart TV

(4) 5 reviews 100+ purchased Gift Points $166

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  • HK$59,980
  • HK$32,368

Discounted price for other payments HK$33,369

Extend Product Warranty

Extends your appliance warranty for additional years after the original warranty period ends. Includes free on-site inspection, repair, and one-for-one replacement services. Learn More

+1 year(s)
$ 3,223
+2 year(s)
$ 5,136
+3 year(s)
$ 7,394
No Extended Warranty

Country Of Origin Vietnam Energy Label Level 2 EMSD Info

The SAMSUNG QA77S90CAJXZK 77" 4K Quantum Dot OLED TV perfectly combines the pure blacks of OLED with the vibrant colors of Quantum Dots. Powered by the Neural Quantum Processor 4K and supporting a 144Hz refresh rate, it delivers an incredibly smooth and detailed viewing and gaming experience.

Main Features

  • Quantum Dot OLED Technology: Combines OLED's deep blacks with the vivid colors of Quantum Dot technology to enhance brightness and color accuracy.
  • Neural Quantum Processor 4K: An AI-driven processor that optimizes content to near-4K quality and enhances audio performance in real-time.
  • Motion Xcelerator Turbo Pro: Supports up to 4K 144Hz refresh rates, reducing motion blur for an ultra-smooth gaming experience.
  • Quantum HDR OLED: Enhances contrast for richer highlights and clearer, more defined dark details.
  • LaserSlim Design: An ultra-thin profile that offers a modern aesthetic and blends seamlessly into any home environment.

Audio and Smart Features

  • Object Tracking Sound Lite (OTS Lite): Sound follows the movement of objects on the screen to create a spatial and immersive audio experience.
  • Q-Symphony: Allows the TV speakers and compatible Samsung Soundbars to work simultaneously for a more cinematic surround sound field.
  • Dolby Atmos: Supports cinema-grade 3D surround sound, fully enhancing the sense of immersion while watching.
  • Tizen™ OS: A built-in smart TV system providing a smooth user interface and a wide range of applications.

Technical Specifications

  • Model: QA77S90CAJXZK
  • Screen Size: 77 inches
  • Display Technology: 4K Quantum Dot OLED (QD-OLED)
  • Resolution: 3,840 x 2,160
  • Refresh Rate: 4K 144Hz (Motion Xcelerator Turbo Pro)
  • Connectivity: Multiple HDMI 2.1 (Supports 4K 144Hz), USB ports
  • Wireless: Built-in Wi-Fi and Bluetooth
  • Place of Manufacture: Vietnam
  • Warranty: 3-year original manufacturer warranty

Energy Label Information

  • Energy Label Grade: 2
  • Place Of Manufacture: Vietnam
  • Annual Energy Consumption (kWh): 172
  • Diagonal Screen Size (cm): 195
  • Energy Efficiency Index: 0.16

Please note that delivery arrangements for TVs 77 inches or larger may vary. For details, please refer to the delivery policy or contact customer service.


Please note: An antenna is not included. To receive free broadcast channels, you will need to purchase an antenna separately and have it ready for installation.


The product information above is for reference only; everything is subject to the brand's official website.

SAMSUNG QA77S90CAJXZK 77"4K OLED Smart TV Review

Wa*****i 03/05/2024

This SAMSUNG OLED TV is very slim and beautiful, perfect for home decoration!

Ka*****i 17/06/2024

員工服務好好,幫到我揀部SAMSUNG OLED電視!

Fr**********i 28/08/2024

呢部SAMSUNG OLED電視好夠日常,唔會好貴!

Ia***n 10/01/2025

我覺得呢部SAMSUNG OLED電視好值得啱價格!

Be******n 07/02/2025

架個SAMSUNG OLED電視好靚呀!

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