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C651Q SST
NEC MultiSync® C651Q SST 65-inch Touch Display
- Screen size
- 65 / 164
- Resolution
- 12-bit (4096 x 4096)
- Touch
- ShadowSense™
- Storage
- MicroSDHC / FAT16
Priceon request
QuotationWithin 1 working day
DeliveryConfirmed with your quote, based on stock
Overview
The NEC C651Q SST is a discontinued 65-inch touch display from NEC's MultiSync C Series. It uses ShadowSense touch technology with up to 10 touch points, a native 3840 x 2160 resolution and an OPS slot for a plug-in computer module. Organisations that already run this model, or need a comparable panel for a Doha meeting room or classroom, can request a quote for a current equivalent or compatible replacement.
Discontinued model: what it means for your project
NEC has discontinued the C651Q SST, so this page is written for organisations that already run one, teams comparing it with newer panels, and buyers who need a replacement. SmartRooms Qatar can quote a current equivalent or a compatible replacement that matches the screen size, touch method and connectivity your site needs. Products are covered by the manufacturer's warranty.
Touch performance for shared work
The panel uses ShadowSense touch technology, which supports up to 10 touch points in real time. Touch arrives over USB 2.0 as a HID device, and the manufacturer lists plug and play operation with no driver installation on the host PC for the main operating systems. Touch accuracy is listed below 2 mm, and a 4 mm toughened front glass with a single-sided anti-reflective coating covers the screen. Fingers, gloves and styluses of 2 mm or more all work. Windows Ink recognises pen writing, erasing and gestures in Microsoft Office applications. Palm rejection is not listed, so a classroom or boardroom should plan for users resting their hands on the glass while writing.
Display, connectivity and expansion
The 65-inch VA panel with direct LED backlighting has a native 3840 x 2160 resolution and a rated brightness of 350 cd/m², or 280 cd/m² in the shipment setting. Typical contrast is 4000:1. Inputs include three HDMI and two DisplayPort connections, both with HDCP. A DisplayPort output loops the signal through, and the OPS slot accepts plug-in computing modules, with listed options that include Intel Atom, Celeron and Core processors. Control is available over LAN, RS232 and a 3.5 mm remote jack, while a microSD slot and USB ports support the built-in MediaPlayer.
Where it fits in Qatar
- Boardrooms in West Bay or Lusail: a 65-inch touch panel for teams that present, annotate and share content from a laptop or from the OPS computer.
- Private schools and training centres: classrooms that need touch writing without installing driver software on every teacher's computer.
- Government and ministry meeting rooms: one display for documents shown in Arabic and English side by side during working-week reviews from Sunday to Thursday.
What to plan before ordering
The listed operating temperature is 0 to +35 °C with 20 to 80% humidity, so plan for air-conditioned indoor rooms and confirm the installation environment with the SmartRooms Qatar team. The unit weighs 59.3 kg without its stand and measures 1,519 x 895 x 97 mm, so a wall mount must be built to carry that load. VESA patterns of 400 x 400 and 600 x 400 are listed. We offer a free site survey before mounting and professional installation across all 8 municipalities of Qatar. Power draw is 212 W in the Eco shipment setting and below 0.5 W in power-saving mode. The box includes the display, a DisplayPort cable, a pen and eraser, a remote control and a USB cable.
Send us your room dimensions, the mounting type and the number of units, and SmartRooms Qatar will return a quotation for a current equivalent or compatible replacement, usually within one working day.
Highlights
- Discontinued by NEC; request a quote for a current equivalent
- 65-inch panel with native 3840 x 2160 resolution
- ShadowSense touch with up to 10 touch points
- USB touch with no host PC driver installation listed
- OPS option slot plus HDMI and DisplayPort inputs
- Windows Ink support for pen writing and erasing
Classroom fit
At 65″ the farthest student should sit within about 4.9 m (6× the screen height).
Estimated timeline
Quotation within 1 working day · delivery timing depends on stock availability, and we confirm it with your quotation.
Specifications
70 specifications · Source: manufacturer · checked Oct 2026
Product Information3
- Product Name
- NEC MultiSync® C651Q SST
- Product Group
- LCD 65" ShadowSense™ Touch Display
- Order Code
- 60004574
Display10
- Panel Technology
- VA with Direct LED backlights
- Active Screen Area (W x H) [mm]
- 1,428.5 x 803.5
- Screen Size [inch/cm]
- 65 / 164
- Brightness [cd/m²]
- 350, 280 (shipment setting)
- Contrast Ratio (typ.)
- 4000:1
- Viewing Angle [°]
- 178 / 178 (at contrast ratio > 10:1)
- Colour Depth [bn]
- 1.073 (10bit)
- Response Time (typ.) [ms]
- 8 (grey-to-grey)
- Haze Level [%]
- Pro (44)
- Supported Orientation
- Face Up 1; Landscape; Portrait
Touch11
- Touch Technology
- ShadowSense™
- Number of Touches
- Real multi-touch up to 10 touches
- Response Time [ms]
- 6 to 8
- Touch Method
- Finger; Gloves; Stylus (≥ 2 mm)
- Supported Operating System
- Native Multi-Touch: Windows 7-11, Linux, Android; Default Mouse: Windows XP and Vista, Mac OS
- Data Interface
- USB 2.0 (full speed) HID; USB powered, plug & play
- Accuracy [mm]
- < 2
- Touch Resolution
- 12-bit (4096 x 4096)
- Windows Ink
- Yes
- Ambient Light Rejection
- Up to full sunlight (approx. 100000 lux)
- Palm Rejection
- No
Protective Glass3
- Type
- Premium toughened glass, single sided anti-reflective coating
- Thickness [mm]
- 4
- Light Transmission [%]
- 92 (+/- 2 %)
Resolution2
- Native Resolution
- 3840 x 2160
- Supported Resolutions
- 1024 x 768; 1280 x 720; 1280 x 800; 1400 x 1050; 1440 x 900; 1600 x 1200; 1680 x 1050; 1920 x 1080; 1920 x 1200; 1920 x 2160; 3840 x 2160; 4096 x 2160; 800 x 600
Synchronisation Rate2
- Horizontal Frequency [kHz]
- 31.5 - 91.1
- Vertical Frequency [Hz]
- 24 - 85
Connectivity8
- Input Video Digital
- 2 x DisplayPort (with HDCP); 3 x HDMI (with HDCP)
- Input Audio Analogue
- 1 x 3,5 mm jack
- Input Audio Digital
- 2 x DisplayPort; 3 x HDMI
- Input Control
- 1 x LAN 100Mbit; 1 x Remote Control (3.5 mm jack); 1 x RS232
- Input Data
- 1 x microSD (MediaPlayer); 1 x USB 2.0 (Downstream); 1 x USB 2.0 (MediaPlayer); 1 x USB Type-B (Upstream); 2 x USB 2.0 (Compute Module, 1 x 5V/2A powered)
- Output Video Digital
- 1 x DisplayPort (loop through: DisplayPort, OPS slot-in PC)
- Output Audio Analogue
- 1 x 3,5 mm jack
- Output Control
- 1 x LAN 100Mbit
Open Modular Intelligence3
- OPS Slot
- Slot Technology: Open pluggable specification (NEC / Intel OPS standard)
- OPS Max. Current / Power Consumption [A / W]
- 4.7 / 75
- Compute Module Slot
- Slot Technology: Compute Module 3 Slot (NEC proprietary standard)
Sensors3
- Human Sensor
- Optional, external, 4-5m range, triggered actions programmable
- Temperature Sensor
- Integrated, 3 sensors, triggered actions programmable
- NFC Sensor
- Integrated, 2cm range, free NEC Android App required
Electrical3
- Power Consumption [W]
- 212 Eco (shipment setting)
- Power Savings Mode [W]
- < 0.5; < 2 (Networked Standby)
- Power Management
- VESA DPMS
Environmental Conditions2
- Operating Temperature [°C]
- +0 to +35
- Operating Humidity [%]
- 20 to 80
Mechanical5
- Dimensions (W x H x D) [mm]
- Without stand: 1,519 x 895 x 97
- Weight [kg]
- 59.3
- Bezel Width [mm]
- 34.1 (top/bottom); 35.1 (left/right)
- VESA Mounting [mm]
- 4 holes; 400 x 400 (FDMI); 600 x 400 (FDMI); M8
- Ingress Protection
- IP5x (front); IP2x (back)
MediaPlayer4
- Supported File Storage / File System
- MicroSDHC / FAT16, FAT32; USB 2.0 / FAT16, FAT32
- Supported Image Formats
- JPG (baseline, progressive, RGB, CMYK); max. resolution 5000 x 5000; PNG (interlace, alpha channel); max. resolution 4000 x 4000
- Supported Video Formats
- MP4 / MOV / FLV (video H.264, audio MP3, AAC); max. resolution 1080p at 30 Hz, 1080i at 60 Hz; MPG (video mpeg1/2, audio mpeg audio layer2/3, AAC-LC); MP @ ML, MP @ HL; WMV (video H.264, wmv advanced L3, wmv simple / main, audio mp3 wmv std); max. resolution 1080p at 30 Hz, 1080i at 60 Hz
- Supported Audio Formats
- MP3 (MP3); max. bit-rate 320 kBit/s; WAV (LPCM); max. 48 kHz sampling
Available Options3
- Accessories
- Feet (ST-801); Speaker (SP-TF1); Trolley (PD02MHA, PD03MHA, PD02MHM); Wall mount (BalanceBox 400 MEDIUM, PDW T XL-2)
- Compute Module Slot
- NEC Compute Module; Raspberry Pi Compute Module 1 and 3
- OPS Slot
- HDBaseT receiver; Intel® Atom, Celeron and Core CPUs; OPS-2C Quad 3G SDI
Regulatory1
- Safety and Ergonomics
- CE; EMC Class B; RoHS
Green Features1
- Energy Efficiency
- Carbon Savings Meter; ECOMode; Local Dimming
Additional Features6
- Special Characteristics
- 12-bit Look Up table; AMX NetLinx Support; ASCII Control Commands; Auto ID assignment; Auto tiling function; Automated Email Alert; CEC Support; Cisco Webex Kit compatible; Crestron Connected Support; DICOM Simulation; Display Browser Control; Emergency Notification; HDMI with UHD at 60 Hz; HDR Gamma Support (HLG, PQ); KeyGuide; MediaPlayer with Browser Control; NaViSet Administrator 2 - free download; OmniColor Control; OSD rotation for portrait mode; PIN as theft protection; PJLink Support; Powered USB-Port; Scheduler; Slim LED Indicator; SNMP Support; TileMatrix (10 x 10); User readable log
- Colour Versions
- colour variations available on request
- Audio
- Integrated Speakers (10 W + 10 W); Optional Speakers (15 W + 15 W)
- Shipping Content
- CD-ROM (User Guides/Manuals); Display; DisplayPort Cable; Pen and Eraser; Remote Control; USB cable
- Warranty
- optional 4. + 5. year warranty extension 2
- Operating Hours
- 24/7
Downloads
5 files from the manufacturerQuestions about C651Q SST
Is the NEC C651Q SST still sold by NEC?
No. NEC has discontinued the C651Q SST, so the manufacturer no longer offers it for new orders. If your school, office or ministry already runs one, or you are comparing it with newer panels, SmartRooms Qatar can quote a current equivalent or a compatible replacement. Send us your room size and touch requirements, and we will match the closest option to this 65-inch model.
What should I look for in a replacement for a C651Q SST?
Start with the 65-inch screen size, the 3840 x 2160 native resolution and the touch method you use today. Check whether you need 10-point touch, an OPS slot for a plug-in computer, HDMI and DisplayPort inputs, and RS232 or LAN control for your room system. SmartRooms Qatar will check these points against the current range and quote the closest compatible replacement.
Do I need to install touch drivers on my computer?
The manufacturer's data says no. The C651Q SST connects touch over USB 2.0 as a HID device and is listed as plug and play, with native multi-touch on Windows 7 to 11, Linux and Android. Mac OS and Windows XP and Vista use default mouse control. This simplifies rollout across several classrooms, but you should still confirm your operating system before ordering.
How many people can write on the screen at once?
The panel supports up to 10 touch points using ShadowSense technology, with a listed touch response time of 6 to 8 ms and accuracy below 2 mm. Input works with fingers, gloves and styluses of 2 mm or more. That suits a seminar room in Education City where a group of students works through a problem at the screen together. Because palm rejection is not listed, brief the group about resting hands.
Will it reject a resting palm while a student writes?
No. The manufacturer's data lists palm rejection as not supported. Teachers and presenters in a classroom in Al Rayyan or Doha should therefore agree a writing habit: use the supplied pen and eraser and keep the wrist off the glass. Windows Ink recognises pen writing and erasing in MS Office applications, which helps when the pen is the main tool. Test the room with your own lesson content during a site survey.
What is the OPS slot used for?
The OPS slot takes an Open Pluggable Specification computing module, so the computer sits inside the display rather than on a desk. The data lists options including an HDBaseT receiver, Intel Atom, Celeron and Core CPUs, and an OPS-2C Quad 3G SDI module. The slot is rated at a maximum of 4.7 A and 75 W. In a boardroom in Lusail, this keeps cables tidy and lets the display run its own computer.
Which video inputs does it have for a video conferencing room?
The panel has three HDMI inputs and two DisplayPort inputs, both with HDCP, plus a DisplayPort output that loops the signal through. Audio comes in over HDMI, DisplayPort or a 3.5 mm jack. The data lists compatibility with the Cisco Webex Kit, so a meeting room in West Bay can connect a conferencing device and a laptop at the same time. Confirm your codec model with the SmartRooms Qatar team before ordering.
Can it go in a summer lobby with glass walls?
Only in an air-conditioned indoor space. The listed operating temperature is 0 to +35 °C with 20 to 80% humidity, which is well below the outdoor temperatures common in Doha during summer. Keep it out of direct sunlight and glare, check the room's cooling load with your facilities team, and do not install it in open-sided or outdoor areas. Touch ambient light rejection is rated up to approximately 100,000 lux.
How much does it weigh and can it be wall-mounted?
The unit weighs 59.3 kg without its stand and measures 1,519 x 895 x 97 mm. VESA patterns of 400 x 400 and 600 x 400 are listed, with M8 fixings. Before a wall mount is fitted in a meeting room in Msheireb or an office in Doha, SmartRooms Qatar recommends a free site survey to check wall construction, load capacity and clearances. Our professional team carries out installation across all 8 municipalities.
Are the built-in speakers enough for a larger room?
The integrated speakers are rated 10 W plus 10 W, which suits a meeting room or a small classroom. The data also lists optional speakers rated 15 W plus 15 W and a speaker accessory, SP-TF1. In a larger lecture room, the room acoustics and seating distance matter as much as the panel, so ask the SmartRooms Qatar team to confirm the audio set-up during your site survey before ordering.
How much power does it draw in daily use?
The data lists 212 W in the Eco shipment setting, below 0.5 W in power-saving mode and below 2 W in networked standby. The panel also supports VESA DPMS power management and an Eco mode with local dimming. These figures help a school in Al Wakrah estimate its electrical and cooling load. Confirm your socket and circuit details with a qualified electrician before connection.
Can a school or government office buy it on an LPO?
Yes. SmartRooms Qatar accepts purchase orders (LPOs) and government tenders, including Monaqasat, and accepts payment by bank transfer, cheque or purchase order. Because this model is discontinued, include the quantity and your replacement brief with the LPO request, and we will quote a current equivalent. Quotations are usually issued within one working day.
