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Flanders Scientific XM651U 64.5" UHD OLED Monitor with 12G/6G/3G/HD-SDI Inputs

Flanders Scientific
Abel Code: FSIXM651U
Mfr. Code: XM651U
This 64.5" 4K HDR & SDR reference master monitor is equipped with professional 12Gbps SDI inputs, 900cd/m2 peak luminance, support for both PQ and HLG EOTFs, multiple color gamut selections, and a contrast ratio of 150,000:1.
Key Highlights
  • 64.5" 4K HDR/SDR Reference Monitor
  • UHD (3840 x 2160) Resolution
  • 900cd/m2 peak luminance


The Flanders Scientific XM651U 64.5" UHD OLED Monitor with 12G/6G/3G/HD-SDI Inputs is a professional reference monitor designed for color critical monitoring of 4K, UHD, and HD signals. It features the latest large format OLED panel technology, offering outstanding black levels and overall picture performance. The XM651U is well equipped for SDR content mastering as well as PQ and HLG HDR monitoring.


12Gbps SDI connections greatly simplify room design by allowing you to feed 4K and UHD signals to the display over a single cable. Quad 1.5Gbps and 3Gbps SDI connectivity are also supported in both 2SI and Square Division based variations ensuring compatibility with practically any type of 4K or UHD output. The XM651U supports advanced 12bit 4:4:4 YCbCr, RGB, and XYZ signals setting it apart from less advanced monitoring solutions.

The XM651U features the unique ability to simultaneously supply a clean 12G/6G loop through and real-time down converted 3G or 1.5G output. Any incoming single link 4K or UHD signals can be converted to 2K or HD outputs for downstream HD monitors or scopes, all without needing any standalone down conversion equipment.

Remote Control

The IP Remote Utility can be used to remotely toggle functions, switch inputs, and navigate the menu on Flanders Scientific monitors using your Mac or PC's keyboard, mouse or control panel (also available for iOS devices).

Native UHD Resolution

The 64.5" XM651U is a true UHD resolution monitor (3840 x 2160) that supports full screen viewing of HD, Ultra HD, and 4K content.

Advanced Signal Status Detection

XM series monitors automatically read payload ID (VPID) information embedded in SDI signals and lock to the signal accordingly. This information can also be temporarily displayed whenever a format change is detected, so you can be sure that what you intend to output to the monitor is what the monitor receives.

A VPID override toggle is also provided allowing users to manually configure the monitor in instances where the payload ID may be missing or incorrect.

Two Deinterlace Options

View interlaced video with correct field order or combine fields and display interlaced signals as progressive.

HD To UHD Upscaling

HD content is displayed without interpolation by representing every pixel from the incoming source as four pixels on the panel. This allows for accurate signal representation on screen by avoiding interpolation methods that might mask or omit image issues.

On-set Color Management

While certainly at home in a post-production setting, the XM651U is also equipped with features and capabilities making it ideal for large format on-set monitoring. Direct compatibility with on set color applications like LiveGrade Pro, Prelight, FireDay, and FirePlay (sold separately) allow for real time color manipulation without the need for a standalone 4K LUT box.

Multi-cam Monitoring

The XM651U is ideal for multi-cam monitoring applications with support for simultaneous viewing of up to four genlocked HD feeds and the additional ability to view any feed full screen as needed.


The XM651U comes equipped with 4K compatible real-time waveform and vector scope.

LUM Coloring (Customizable Exposure Check)

Four adjustment points from 0-100% allow you to establish specific target areas to be shown in false color or greyscale.


Choose from a wide assortment of standard markers and safety areas that can be displayed as lines, translucent overlays, or solid overlays. Lines and overlays have selectable colors for instant customization.

Advanced LUT Processing Options

XM Series monitors have the unique ability to process 3D LUTs using your choice of trilinear or tetrahedral interpolation. Trilinear LUT interpolation is very common and having this option allows you to process LUTs as they will frequently be seen elsewhere. More advanced tetrahedral LUT interpolation, while not as ubiquitous, allows for a higher degree of precision with better on screen performance.

Supported SDI Formats:

  • SMPTE-274M
    • 1080i (60/59.94/50) 
    • 1080p (30/29.97/25/24/24PsF/23.98/23.98PsF)
  • SMPTE-296M
    • 720p (60/59.94/50/30/29/25/24/23.98)
  • 2K
    • 2048x1080 (30p/30PsF/29.97p/29.97PsF/25p/25PsF/24p/24PsF/23.98p/23.98PsF)
  • SMPTE-372M
    • 1080p (50/59.94/60) 4:2:2 YCbCr, RGB 
    • 1080i (29.97/25/24/23.98) 4:4:4 YCbCr, RGB 
    • 1080p (30/29.97/25/24/23.98) 4:4:4 YCbCr, RGB 
    • 720p (60/59.94/50) 4:4:4 YCbCr, RGB
  • SMPTE-425M-AB
    • Level A & Level B supported
    • Level B supports 2 x SMPTE
    • 292M image format mapping
    • 372M image format mapping
    • RGB, YCbCr, & XYZ supported
      • 12 & 10bit 4:2:2 1920x1080p (60/59.94/50) 
      • 4:4:4 1280x720p (60/59.94/50/30/29.97/25/24/23.98) 
      • 12 & 10bit 4:4:4 1920x1080i (60/59.94/50) 
      • 12 & 10bit 4:4:4 1920x1080p (30/29.97/25/24/24PsF/23.98/23.98PsF) 
      • 12 & 10bit 2k (2048x1080) (30p/30PsF/29.97p/29.97PsF/25p/25PsF/24p/24PsF/23.98p/23.98PsF) 
      • 12 & 10bit 2K (2048x1080) (60p/59.94p/50p/48p/47.95p) 
      • *XYZ mapped to Selected Color Gamut on Color Management Menu
  • 4K & UHD / ST2081 & ST2082
    • Single-Link 12G 
    • Single-Link 6G 
    • Dual-Link 6G 
    • Dual-Link 3G Square Division  
    • Quad-Link 3G Level A Square Division 
    • Quad-Link 3G Level B Square Division 
    • Quad-Link 1.5G Square Division
    • 10 & 8bit 4:2:2 4096x2160p (23.98/24/25/29.97/30/47.95/48/50/ 59.94/60) 
    • 10 & 8bit 4:2:2 3840x2160p (23.98/24/25/29.97/30/47.95/48/50/ 59.94/60) 
    • 12 & 10bit 4:4:4 4096x2160p (23.98/24/25/29.97/30) YCbCr & RGB 
    • 12 & 10bit 4:4:4 3840x2160p (23.98/24/25/29.97/30) YCbCr & RGB
    • NOTE: Quad-Link 2SI support to be added via future firmware update.

What's in the Box

  • 1 x Flanders XM651U 64.5" UHD OLED Monitor with 12G/6G/3G/HD-SDI Inputs


Key Highlights

  • 64.5" 4K HDR/SDR Reference Monitor
  • UHD (3840 x 2160) Resolution
  • 900cd/m2 peak luminance
  • 150,000:1 contrast ratio
  • 12G/6G/3G/HD-SDI Inputs

Inputs & Outputs

Audio I/O:
1 x Audio Input - Mini-Jack
1 x Audio Output - Mini-Jack


Monitor Resolution:
Monitor Input:
1 x DisplayPort - [email protected] 10bit
4 x BNC - 12G/6G/3G/HD-SDI
Monitor Size:
Monitor Audio Options:
2 x Internal Speaker (Stereo)
Monitor Brightness:
900Nits - at L20
Monitor Type:
OLED - 10bit (1.073 Billion Colors); 99.99% Pixel Efficiency
Mount Points:
VESA Standard Screws - 300mm x 200mm (VESA Mount sold separately)
Includes Standard Pedestal Feet
Display Functions:
3D LUTs - REC709/DCI-P3/Rec2020*/Custom (*does not cover entire Rec2020 color gamut)


Input Voltage:
100-240V AC
Power Input:
AC - IEC C14

Support for Every Production

Facilities in NY & LA designed for maximum comfort and efficiency

We are accustomed to working with productions and budgets of all sizes. Need a complete camera system specifically tailored to your needs or a few accessories to complete your kit? We’ve got you covered. All our gear is meticulously maintained by our on-site technicians, and we treat all jobs with the highest degree of care and attention to detail.



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