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BenQ ST550K 55" 4K UHD Digital Signage Solution - Refurbished

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BenQ ST550K 55" 4K UHD Digital Signage Solution - Refurbished

SKU-ST550K-002 Refurbished

Model Highlights

BenQ ST550K Dynamic Signage Solution

The BenQ ST550K is the ideal dynamic signage solution for in-store displays. Capture the public's imagination with its stunning 4K2K UHD image, Can be driven locally from a USB flash drive, no additional media player needed. Create, edit, display and manage your message using either the BenQ X-Sign app or custom Android™ OS solution.


  • 55” LED Monitor w Android Embedded

  • UHD 3840 x 2160 Resolution

  • 350 nits, 1,200:1 Native Contrast Ratio

  • Narrow Bezel design

  • USB Plug & Play

  • Multiple Display Administrator (MDA)

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Slim & Stylish

The ST550K's narrow bezel and slim profile display are tastefully designed, creating a refined, elegant looking solution, making it perfect for use in department stores and retail establishments. Whether it's a trendy café or a sophisticated boutique the ST550K will impress the most discerning clientele.


4K2K UHD Resolution
Unparalleled Image Clarity to Satisfy the Most Discerning Eyes

With an ultra-high resolution of 4K2K (3840x2160) the BenQ ST550K displays images with astounding clarity and exquisite fine detail, creating a more memorable viewing experience. This increased resolution allows the display of up to 4 times the informaion than that of a 1080p full HD display, increasing efficiency, productivity and profits.


X-Sign Software
Content Management Made Easier

BenQ's exclusive X-Sign digital signage application helps you create, edit, manage and play your sign age content, allowing you to create messaging that is engaging and compelling, capturing the customer's imagination. 
• X-Sign application provides Instant plug-and-play capability
• Includes templates for hassle-free content creation and editing

BenQ Digital ST550K

Custom Android™ OS
Display by Plug-and-Play

 The ST550K's custom Android OS comes with a number of useful apps for content display, from WPS Office document viewer to a Web Browser and Media Player. This closed platform puts you in full control of the ST550K, ensuring the proper use of the display by preventing downloads and use of unauthorized apps.


• USB Playback allows display of multimedia files directly from a USB flash drive, no need for a PC or complicated cables
• Mobile High-Definition Link (MHL) for flawless streaming of mobile content from MHL-equipped smart devices

Note:Android is a trademark of Google Inc. .


Multiple Display Administrator (MDA)
Remote Control with Failure Alert System

 Control and manage multiple displays simultaneously through your local network or serial port. In addition to offering great convenience, MDA also enables powerful functions such as scheduling system integration and email notifications alerting of possible issues.


Remote Display Control and Management



Light Source LED
Frame Rate 60Hz
Aspect Ratio 16:9
Screen Size 55"
Resolution (pixels) 3840 x 2160 (4K)
Brightness (typ.) 350 nits
Native Contrast Ratio (typ.) 1,200:1
Response Time (G-to-G) 6ms
Panel bit 10 bit
Light life 30,000 hrs (min.)
Orientation Landscape
Viewing Angle (H/V) 176 degree (H) / 176 degree (V)
Color Gamut (x% NTSC) 65%
Power Supply 100v~240V
Power Consumption (Maximun) <155W
Touch interface No
Touch Points No
Technology No
Resolution (points area function) No
Internal Speaker 8W x 2
Cover glass
AG coating No
Hardness No
Thickness No
I/O Connection
IR receiver x1
Slot-in PC No
TV-tuner No
LAN x 1
Type A USB (Playback) x 4
Audio In / Out Yes (RCA, R/W) / x1
Composite AV In / Out No / Yes (RCA)
Composite Video In/Out (BNC) No
RS232 Input/Output No
S-Video In/Out No
Component video (RCA) Yes (YPbPr in)
Composite audio In/ Out (RCA) No
D-sub In/ Out x 1/No
HDMI (Type A) x 3
Dimension (WxHxD) 1247x725x80mm/1247x779x80mm (without base/with base)
Weight (without/with packing) 15KG
Bezel Width (T/B/L/R) 6.1/13.6/6.1/6.1 mm
Wall Mounting VESA 200x300 (4 holes)
On-Screen Display Languages EN / EF / SP / EP / CN / TC / GM / DT / PL / RS / CZ / DN / SW / IT / RM / FN / NG / GK / TK / AB / JP (21 Languages)
Android build in Yes
Touch Cable (USB to USB) No
Audio Cable No
Touch pen No
Wall mount No
Remote Control w/ Battery Yes
Power Cord (by region) Yes (x4)
Quick Start Guide Yes
VGA (D-sub 15pin) Cable / HDMI Yes / Yes