Are you a radiologist specializing in reading breast cases in mainly grayscale modalities, such as 2D mammography and 3D tomosynthesis? If the answer is yes, then the Nio Gray 5.8MP is cut out just for you. It’s fully up to date with capabilities and innovations for today’s breast imaging, making this a modern display system that is efficient and easy for you to use. Furthermore, it’s also perfectly suited for reading grayscale general radiology images in a comfortably high resolution.

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  • More detail on your screen, with 5.8MP resolution
  • Designed to show breast images entirely, with 3:4 aspect ratio
  • Increased contrast, with 1400:1 contrast ratio and 600 to 1000 cd/m² calibrated luminance
  • Consistent brightness and grays, with Uniform Luminance Technology and SteadyGray
  • Always stable DICOM images and auto QA, with I-Guard front sensor and optionally, QAWeb Enterprise
  • Possibility to boost luminance, with I-Luminate and SpotView
  • Optional settings and tools to adjust the monitor to your workflow


Screen technologyLCD
Active screen size (diagonal)541 mm (21.3")
Active screen size (H x V)324 x 433 mm (12.77" x 17")
Aspect ratio (H:V)3:4 for each display in portrait mode, 3:2 overall
Resolution5.8 MP (2100 x 2800 pixels)
Pixel pitch0.1545 mm
Gray imagingYes
Bit depth10 bit
Viewing angle (H, V)178°
Optical glassMDNG-6221 option SPEF: Yes
MDNG-6221 option SNEF: No
Uniformity correctionULT
Ambient light presetsYes, reading room selection
Ambient light sensorMDNG-6221 option SPEF: Yes
MDNG-6221 option SNEF: No
Front sensorYes
Maximum luminance1300 cd/m²
DICOM calibrated luminanceWarrantied maximum: 1000 cd/m²
Factory default: 600 cd/m²
Contrast ratio (panel typical)1400:1
Response time ((Tr + Tf)/2) (typical)12.5 ms
Housing colorRAL 9003 / RAL 9004
Video input signalsDVI-D Dual Link (2x)
DisplayPort (2x)
USB ports1x USB 2.0 upstream (endpoint)
2x USB 2.0 downstream
Power rating24 VDC, 5 A; 5 VDC, 0.1 A
Power requirementsThis device shall only be powered by the following medical approved power supplies:
Adapter Technology, type CMD160-P240
Ratings marked on the medical power supply:
  • Input rating: 100–240 VAC, 1.9–0.8 A, 50/60 Hz
  • Output rating: 24 VDC, 6.3 A; 5 VDC, 0.5 A
Power consumption60 W (nominal)
< 0.5 W (standby)
Dimensions with stand (W x H x D)Portrait: 378 x 528~628 x 235 mm
Landscape: 491 x 472~572 x 235 mm
Dimensions w/o stand (W x H x D)Portrait: 378 x 491 x 81 mm
Landscape: 491 x 378 x 81 mm
Dimensions packaged (W x H x D)500 x 280 x 670 mm
Net weight with standMDNG-6221 option SPEF: 11.6 kg
MDNG-6221 option SNEF: 10.2 kg
Net weight w/o standMDNG-6221 option SPEF: 6.6 kg
MDNG-6221 option SNEF: 5.2 kg
Net weight packagedMDNG-6221 option SPEF: 17.0 kg (without optional accessories)
MDNG-6221 option SNEF: 15.7 kg (without optional accessories)
Tilt-10° to +30°
Swivel-45° to +45°
Height adjustment range100 mm
Mounting standardVESA (100 mm)
Screen protectionMDNG-6221 option SPEF: Protective, anti-reflective glass cover
MDNG-6221 option SNEF: N/A
Recommended modalitiesAll digital images, including digital mammography and breast tomosynthesis
CertificationsCE0123 (Medical Device)
FDA 510(k) K170476
CCC (China), KC (Korea), INMETRO (Brazil - Product numbers K9300370B, K9300372B), BIS (India), EAC (Russia, Kazakhstan, Belarus, Armenia and Kyrgyzstan)

Safety specific:
IEC 60950-1:2005 + A1:2009
EN 60950-1:2006 + A1:2010 + A11:2009 + A12:2011 + A2:2013
IEC 62368-1:2018
EN IEC 62368-1:2020
IEC 60601-1:2005 + A1:2012
EN 60601-1:2006 + A1:2013 + A12:2014
ANSI/AAMI ES 60601-1:2005 + R1:2012
CAN/CSA C22.2 No. 60601-1:14

EMI specific:
IEC 60601-1-2:2014 (ed4)
EN 60601-1-2:2015 (ed4)
FCC part 15 Class B
ICES-001 Level B
VCCI (Japan)

China Energy Label, EU RoHS, China RoHS, REACH, Canada Health, WEEE, Packaging Directive
Supplied accessoriesUser guide
Documentation disc
System sheet
Video cable (1 x DisplayPort)
Mains cable(s)
USB 2.0 cable
External power supply
Optional accessoriesDisplay controller
QA softwareQAWeb
Warranty5 years, including 40000 hrs backlight warranty
Operating temperature0 °C to 40 °C (15 °C to 30 °C within specs)
Storage temperature-20 °C to 60 °C
Operating humidity8% to 80% (non-condensing)
Storage humidity5% to 85% (non-condensing)
Operating pressure70 kPa minimum
Storage pressure50 to 106 kPa