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Coboc EA-HD2DVI-10-BK 10 ft. Black HDMI A Male to DVI-D(24+1) Male 30AWG High Speed  HDMI to DVI-D  Adapter Cable w/Ferrite Cores M-M
  • Verified Owner
  • Owned For: 1 week to 1 month

Pros: Works for 1080P

Cons: Does not work with bandwidth that requires DVI-D
Does not support 2K@60Hz

Other Thoughts: I could not get this cable to work at 2K@60hz. It ran as high as 1080P@85Hz. If I use a higher bandwidth cable, it worked fine. This was one of many cables I tried to get my GTX 980 to run my 2K@120hz monitor.

Coboc RM-18G-HDAC-10-BK 10 ft Black Ultra Slim 18Gbps Active High speed HDMI Cable w/ RedMere Technology, Stranded Tinned Copper, PET Jacket 36AWG, M-M - Ultra HD 4K x 2K & 3D Compatible - 4096x2160P
  • Verified Owner
  • Owned For: 1 month to 1 year

Pros: Works as advertised
Does support 4K@60hz

Cons: No auto switch
Gets too hot
Wont run 2K@60hz when hot.
Would not recommend in a enclosed space.

Other Thoughts: This is an updated review. I have noticed that the switch will start blanking and flickering on at 2K@60hz when it gets too hot. I have mine sitting on a desk in open air, but I use it all day for my monitor. In the evening I often get flickers and blanking and I have to turn off the monitor or go back to 1080P.

I knocked a star off of the rating for this. But if you are only using this at night for a couple hours no issues.

Also make sure you get cables that support the bandwidth, 4K@60Hz requires 20Gbps bandwidth cables. Most cables will not support this I had to replace my entire cabling. That is not this device's fault but something that someone getting this switch should know.

GearIT GI-HDMI20-WH-6FT 6ft White High-Speed 2.0 HDMI Cable with Ethernet Support 4K UHD 3D and Audio Return M-M
  • Verified Owner
  • Owned For: 1 week to 1 month

Pros: This cable can actually put out the 20Gbps promised.
Great price at $10
2K@120Hz capable
4K@60hz capable

Cons: Not really a con but a little thick.

Other Thoughts: I had to buy all new HDMI cables as my old ones could not support the bandwidth of 2k and 4K.
I have a 2K monitor that has a 120Hz refresh, this is the same bandwidth as 4K @60 hz.
Tested with a Nvidia GTX 980M HDMI 2.0 capable.


carl m.'s Profile

Display Name: carl m.

Date Joined: 12/16/11

  • Reviews: 11
  • Helpfulness: 2
  • First Review: 09/29/13
  • Last Review: 09/28/15
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