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What does 1U, 2U,3U,4U mean for CCTV DVR?

  • Author:Judy Du
  • Source:www.mvteamcctv.com
  • Release on :2016-10-08
When talking about DVR, some customers may mention 1U DVR, 2U DVR...What does 1U, 2U mean ?

“U” is short for Unit, represents the external dimensions of the server (unit of measurement: height or thickness). The detailed dimensions are determined by the American Electronics Industry Association (EIA), an industry group.

The specified dimensions of the server: the width is 19" (48.26cm) ,and the height is a multiple of 1.75" (4.445cm).
1U=4.445cm
2U=4.445*2=8.89cm
3U=4.445*3=13.335cm
4U=4.445*4=17.78cm

As DVR is similar as the server, so some people also use it to measure DVR.
Following is the general size of MVTEAM DVR:
67 series DVR   250(L)*240(w)x45(H)mm 

64 series DVR:  335(L)*260(W)*50(H)mm
65 series DVR: 380(L)*310(W)*55(H)mm
62B series DVR:  440(L)*380(W)*70(H)mm

The above series DVRs are 5-in-1(AHD,TVI,CVI,CVBS,IP) Hybrid DVR,if you have any question or inquiry about DVRs,welcome to contact us.

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