BenQ ST550K 55" 4K Commercial LED Monitor (Black)

BenQ ST550K 55" 4K Commercial LED Monitor (Black)

BenQ ST550K 55" 4K Commercial LED Monitor (Black)

In Stock
Order in the next 0:00:00 to ship today

Product Highlights

  • UHD (3840 x 2160) Native Resolution
  • Up to 350 nits Brightness Output
  • 1200:1 Contrast Ratio
  • 60 Hz Refresh Rate & 6ms Response Time
  • 3 x HDMI / 1 x VGA / 1 x Component Video
  • 4 x USB Ports with Multimedia Playback
  • Multiple Display Administrator (MDA)
  • X-Sign Content Management Software
  • Dual Built-In 8W Speakers
  • Custom Android Operating System
Show moreShow less

This item is not available for purchase online. Please call us at 800.606.6969, or visit our NY Superstore


B&H $500 Gift Card Dash

Share for a chance to win a $500 B&H Gift Card!

Share on Twitter

Share a favorite product for chances to win one of eight $500 B&H Gift Cards!
1 new winner announced every Monday starting Nov 5th!
Limit 1 entry per day: Come back every day to increase your chance of winning.

Be sure to mention #BHWishList when you share!

Congrats to our winners so far:

Next winner: Nov 26th

James Z. (Wk 1)

Ralph H. (Wk 2)

Arturo M. (Wk 3)

Official Rules


NO PURCHASE IS NECESSARY TO ENTER OR WIN. The B&H $500.00 Gift Card Dash (the "Sweepstakes") is void where prohibited by law and is sponsored by B&H Foto & Electronics Corp., 440 Ninth Avenue, New York, NY 10001 ("Sponsor"). It is not sponsored or endorsed by Facebook or Twitter in any way.

Entry Period/Methods of Entry. The Sweepstakes will run from on or about October 28, 2018 until on or about December 23, 2018 (the "Entry Period"). Entries received outside the Entry Period are void. Enter the Sweepstakes via either one of the following methods. (1) Share any product found on the B&H website (the "Website") on Facebook or Twitter via the dedicated links contained on the website using the hashtag #BHWishlist; or (2) Mail a postcard (postmarked during the Entry Period) containing your name, address, phone number, and email address, and indicate the subject(s), if any, about which you are interested in receiving future emails from B&H (e.g. photo, video, audio, computers, home theater, portable entertainment ) (optional) to: B&H $500.00 Gift Card Dash Sweepstakes, c/o B&H Foto & Electronics Corp., 440 Ninth Avenue, New York, NY 10001 (either option, an "Entry"). Entries must not, in the sole and absolute discretion of the Sponsor, contain obscene, provocative, defamatory, sexually explicit, or otherwise objectionable or inappropriate content. Entries deemed by Sponsor to be inappropriate will be disqualified. Entries owned by a third party, or the use of any trademarks, service marks, logos, brands, or products owned by a third party are not acceptable for entry into the Sweepstakes. Limit 1 entry per person, per day.

Winner Selection/Prizes/Odds. The B&H Social Team will randomly select a winner from among all eligible entries every Monday during the Entry Period, for a total eight (8) winners (each a "Winner"). Each Winner will receive a B&H Gift Card pre-valued in the amount of $500.00. No cash or other substitutions will be offered. Winner selection is in the sole and absolute discretion of the B&H Social Team. Any taxes are the sole responsibility of the winner. Winners will be notified and receive their prize at the email address associated with the account to which their Entry was posted or the email account provided with a mail-in entry. The odds of winning depend on the number of eligible entries received.

Identity of Winners/Eligible Participants. Winners will be identified by the email account associated with the Facebook or Twitter account from which their Entry was submitted or the email account provided with a mail-in entry. An email account holder shall mean the natural person assigned to such email account by the internet access or online service provider or other organization responsible for assigning email addresses for the domain associated with such email account. Any issues regarding the identity of a Winner shall be resolved by Sponsor in its sole discretion. The Sweepstakes is only open to residents of the United States that are at least eighteen (18) years of age on their entry date and is not open to employees of Sponsor, their immediate family, any person domiciled with such employees, or any affiliates or subsidiaries of Sponsor.

Entry Ownership/Entrant Agreements. Entrants retain full ownership and copyrights to their Submission. However, by entering the Sweepstakes entrants grant Sponsor permission to use their Entries for promotional purposes on their respective social media channels with proper credit. Entrants also agree: (a) to be bound by these Official B&H $500.00 Gift Card Dash Sweepstakes Rules; (b) that any claims related to this Sweepstakes shall be resolved individually without resort to any form of class action and that awards, shall be limited to actual out-of-pocket costs incurred in entering the Sweepstakes, and shall not include incidental or consequential damages or attorneys fees; and (c) that any actual or perceived ambiguities in these rules shall be interpreted by Sponsor in their sole discretion.

Limitation of Liability/Sponsor Modification/Cancellation Rights/ Choice of Law/ Venue/ Winners List. Sponsor is not responsible for incomplete entries or for failure to receive entries due to technical failures or human error of any kind. Winners agree that Sponsor will have no responsibility for losses or damage of any kind resulting from the acceptance, possession, or use of the prizes. Except where prohibited, participation in the Sweepstakes constitutes entrant's consent to the publication of his or her name by Sponsor in any media for commercial or promotional purposes without limitation or further compensation subject to Sponsor's respective Privacy Policies. Sponsor may modify or discontinue the Sweepstakes at any time and may disqualify from the Sweepstakes any person it determines, in its sole discretion, to have attempted to or actually tampered with or otherwise abused any aspect of the Sweepstakes. Entrants agree that in the unlikely event a dispute arises in connection with this Sweepstakes, it will be governed by the laws of the State of New York and heard exclusively in a court of applicable jurisdiction in the County and State of New York irrespective of any choice of law provisions to the contrary. To receive names of the winners by U.S. mail, please mail a self-addressed stamped envelope to: B&H Foto & Electronics Corp., Attn: B&H $500.00 Gift Card Dash Sweepstakes, 440 Ninth Avenue, New York, NY 10001. Any Winners List request must be received by B&H within one (1) year of the date the Sweepstakes is conducted.

Let us know how to reach you if you win!

Privacy 100% guaranteed; email address for contact purposes only


Already have a B&H account? Just log in tomorrow to enter again!

$0 VA Sales Tax Collected on This Item
Add to Cart
Add to Wish List Item in Wish List

BenQ ST550K overview

  • 1Description

The black BenQ ST550K 55" 4K Commercial LED Monitor allows you manage your digital signage content and explore a custom Android operating system that includes a web browser and media player. This business-ready monitor features a 55" LED display with a 3840 x 2160 native resolution for viewing detailed images. This monitor's 350 nits brightness rating and 1200:1 contrast ratio showcases its ability to handle light and dark on-screen images. It also incorporates a 60 Hz refresh rate and 6ms response time to combat distortion on moving content.

This monitor has VGA, component video, three HDMI, and four USB inputs for interfacing a variety of audio and video sources. As an added convenience, VGA and HDMI cables are included. Dual 8W speakers are also built into the display for audio playback. You also have the ability to output to external audio system thanks to its digital optical output.

X-Sign Content Management Software
The X-Sign signage app helps you customize, edit, manage, and play your content. This allows you to easily and effectively engage your customers. More than 30 templates are available for retail shops, supermarkets, restaurants, educational institutes, hotels, hospitals, corporations, and transportation locations.
  • Instant plug-and-play with built-in X-Sign app
  • Various templates for hassle-free content editing
  • Remote control included for easy control
Custom Android Operating System
The ST550K's custom Android operating system is loaded with various useful apps for content display, including, WPS Office, a web browser, and a media player. This closed platform puts you in full control over the ST550K, ensuring the proper use of the display by preventing downloads and use of unauthorized apps. This in turn minimizes unanticipated damage or breakdown.
Multiple Display Administrator (MDA) Remote Control with Failure Alert System
Control and manage multiple displays simultaneously through your local network or serial port. MDA also enables powerful functions such as scheduling system integration and email notifications of arising issues.
USB Multimedia Playback
With USB connectivity, you can access and play back multimedia files directly from USB flash drives without a PC.
Additional Features
  • MHL connectivity allows you to charge and mirror compatible devices
  • Supports the optional QCast dongle for wireless display mirroring
  • Video: Blank image, image freeze, 10-bit color processing, sharpness enhancement, de-interlacing/comb filter
  • Source/volume control
UPC: 840046032135
In the Box
BenQ ST550K 55" 4K Commercial LED Monitor (Black)
  • Stand
  • Power Cord
  • HDMI Cable
  • VGA Cable
  • Remote Control
  • 2 x AA Batteries
  • Q-Cast Dongle Holder
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    BenQ ST550K specs

    Screen Size (Diagonal) 55"
    Native Resolution 3840 x 2160
    Supported Display Resolutions Minimum: 640 x 480 / 60 Hz
    Maximum: 1920 x 1080 / 60 Hz
    Bit Depth / Color Support 10-Bit (1.07 Billion Colors)
    Color Gamut 65% NTSC
    Brightness 350 cd/mē
    Viewing Angle (H x V) 176° H x 176° V
    Contrast Ratio 1200:1
    Response Time 6 ms
    Refresh Rate 60 Hz
    Dot Pitch 0.42 x 0.315 mm
    Backlighting Technology Direct LED
    Input Ports 1 x RCA Composite – Video (Bottom)
    3 x HDMI – Audio, Video (Bottom)
    1 x 15-Pin VGA – Video (Bottom)
    1 x RCA Component – Video (Side)
    1 x RCA Stereo (L/R) – Audio
    Output Ports 1 x TOSLINK Optical – Audio (Side)
    1 x 1/8" (3.5 mm) Mini – Audio (Side)
    USB Ports 2 x USB (Version Unspecified) Type-A (Side)
    1 x USB (Version Unspecified) Type-A (Bottom)
    1 x USB 3.0 Type-A (Side)
    Ethernet Ports 1 (Bottom)
    Display Orientation Landscape
    HDCP Support Yes
    Built-In Speakers Yes, 2 x 8 W
    Power Consumption Maximum: 155.0 W
    Standby: 0.5 W
    AC Input Power 100 to 240 VAC, 50 / 60 Hz
    Operating Temperature 41 to 104°F / 5 to 40°C
    Storage Temperature -4 to 131°F / -20 to 55°C
    Operating Humidity 10 to 85%
    Storage Humidity 5 to 95%
    Wall Mounting 200 x 300 mm
    Bezel Thickness 13.6 mm (Bottom)
    6.1 mm (Right)
    6.1 mm (Top)
    6.1 mm (Left)
    Dimensions 49.1 x 28.6 x 3.1" / 124.7 x 72.5 x 8.0 cm (without Stand)
    49.1 x 31.1 x 12.8" / 124.7 x 78.9 x 32.4 cm (with Stand)
    Weight 33.1 lb / 15 kg (without Stand)
    41.9 lb / 15 kg
    Packaging Info
    Package Weight 44.5 lb
    Box Dimensions (LxWxH) 54.0 x 32.0 x 6.0"

    BenQ ST550K reviews

    Be the first to review this item

    BenQ ST550K Q&A

    BenQ ST550K accessories

    See any errors on this page? Let us know.