Silverback S6 HDMI Cable, 6 inches

4K 60Hz 4:4:4, 1080p 120Hz, 18 Gbps, Exoskeleton™ Weave, HEC, ARC, 3D, Gold-Plated

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"Great experience and exactly what I was looking for. I would definitely shop with Sewell again."


These Premium high-speed HDMI cables support Ultra HD, resolutions up to 4k@60hz, deep color, all while supporting 4:4:4 chroma. A whopping 18Gbps bandwidth makes it all possible. They are future-proof, supporting HDMI 2.0 and HDCP 2.2 signals.

Precise Construction Where It Counts

The main difference between our Standard and our Premium HDMI cable is in bandwidth capability which is a measurement of how well the cable can conduct a signal and block interference. Both the Silverback S4 and the Silverback S6 HDMI cables can handle 4K@60Hz with full 4:4:4 color space. But what's the difference between the two?

Inside HDMI Diagram

There are several ways to achieve higher bandwidth to pass the higher specs and many HDMI cable makers often decide to increase the gauge of the conductors inside the cable. This battles attenuation (signal loss due to the natural resistance in copper) but also causes the cable to be thick and difficult to work with (especially when sending through walls and conduits). Thicker cables can also torque the HDMI ports on expensive equipment.

The better way to achieve HDMI 2.0 specs is to construct the cable with precision and to use high-purity materials in the conductor and shielding. Twisting the conductors at the correct frequencies will block cross talk and electromagnetic interference (EMI). Purer copper reduces attenuation. Comprehensive shielding using both foil and braided style blocks both high and low EMI more successfully. High-quality processes and materials ensure full specs with thinner conductors.

Easy to Manage

With this higher-level of precision comes the benefit of using thinner-gauge conductors. Whether you're a home user or if you need to wire a 20-screen video wall, easy-to-manage cables are the best way to prevent a headache. With thinner gauges come the ability to easily snake through conduits or make right-angle turns around corners.

The Exoskelton™ mesh jacket comes in handy since thinner conductors can potentially become brittle if kinked. Exoskeleton ensures that when you're making those 90-degree turns, you're not harming those conductors.

4K 30Hz vs 4K 60Hz

As our TVs get bigger and bigger, so does the perceived difference between refresh rates. This cable supports 4K@60Hz while lower quality cables only support 4K@30Hz, but why should you care?

Video is simply a series of images played rapidly to give the illusion of movement. More images viewed per second equates to more realistic video. Refresh Rates (measured in Hz) are what is used to describe the number of unique images played per second. 30 Hz means that you're seeing 30 unique images per second while 60Hz doubles the amount of images per second.

Battling Motion Blur -- One of the outcomes of having a low Hz rating is that fast-moving objects start to look blurry. This is actually a feature of your display-- it is trying to compensate for the jarring nature of jumpy image animation. A football travelling 30 yards/second would technically only show one frame per yard when seen at 30Hz, making that throw seem unrealistic to our eyes. The TV must therefore employ motion blur to fill in the gaps.

Motion blur is a lot less distracting than the actual jumpiness of an image, but neither motion blur nor jumpiness are desired when playing a video game, or watching sports. For this type of content, we highly recommend a refresh rate higher than 30Hz.

Compatible with HDMI 2.0 Specs

HDMI has released new specs increasing the available features offered by HDMI devices. One of the biggest improvements is an increased bandwidth (18Gbps). This new bandwidth allows HDMI to carry much more vital information. Now HDMI can support 4k resolutions at 60 fps and Deep Color. It also supports 32 channel audio and the 21:9 aspect ratio (4096x2160), and several other important updates.


Mfg. Part Number

  • SW-32875-P5


  • Silverback™ by Sewell


  • Increased bandwidth to 18 Gbps
  • Resolutions of up to 4k 60Hz (up to 60 fps)
  • Up to 32 audio channels
  • Up to 1536 kHz audio sample frequency
  • Simultaneous delivery of dual video streams to multiple users on the same screen
  • Simultaneous delivery of multi-stream audio to up to 4 users
  • Support for wide angle 21:9 theatrical aspect ratio
  • Dynamic synchronization of video and audio streams
  • Updated CEC extensions for more expanded command and control of consumer electronics devices through a single control point
  • Support for all color space formats including 4:2:0 and 4:4:4 chroma at 4K 60Hz
  • Support for 25 fps 3D formats
  • Backwards compatible with high speed (category 2) HDMI cables
  • HDCP 2.2 Compliant
  • 28awg 7.3mm conductors
  • CL3 Rated


  • Exoskeleton™ Woven Jacket For minimal kinking/tangles
  • Durable Chromed Metal Heads


47 Total Reviews -

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(31) 66.0 %
(7) 14.9 %
(4) 8.5 %
(1) 2.1 %
(4) 8.5 %

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Most helpful reviews

Problem-free high speed cables

louisc - 5/19/2017 5:55:56 PM

5 found this review helpful

Pros: hdcp 2.2 support allows visualization of 3d blue ray 4K disks. Reasonably priced.

Cons: Cables tend to be stiff


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40' Passes 4K @ 4:4:4 Chroma/RGB FULL @ 60Hz

Tomcup - 1/26/2017 1:54:57 PM

4 found this review helpful

Pros: Passes 4K @ 4:4:4 Chroma/RGB FULL @ 60Hz from my Nvidia GTX 1060 6gb on my PC to my LG E6 OLED with no issue. Routed easily around some tight bends to get it down through one wall, into my basement, and up another wall back into the other side of my living room. Inexpensive for such quality cable.

Cons: None

Other: So glad this worked for me as I was concerned with having to make such a long run from my PC to my TV for some delicious 4K gaming on my OLED.

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The Best I can find anywhere.

Mark Holloway - 5/12/2017 4:52:10 AM

3 found this review helpful

Pros: This cable is perfect for all 4K Resolution needs. I am using this to connect my Onkyo Receiver to my 4K Television using Pass through and I do get true 4K Resolution. The Price beats any other price I have been able to find on the market too. I give it a Supernova of Stars.

Cons: None

Other: For those new to 4K resolution. For your television to display True 4K resolution, Everything connected to it must be 2.2 4K Compliant to work. This includes your cable connections, 4K Blu-Ray Player and even your sound system receiver or sound bar. These cables are the ones you need for this task.

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Most recent reviews

Perfect HDMI for my Ultra HD 4K

Ramon - 11/7/2018 5:37:50 PM

Incredible picture when I connected the HDMI to my 70 inch 4K ultra HD, vivid vibrant color.

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Excellent Cable

Tekguy - 5/31/2018 5:13:22 PM

Has a nice tough cover and worked where cheaper cables failed.

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Great product

JD - 5/29/2018 1:08:24 PM

Worked as expected without any drop outs

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- 5/21/2018 6:18:07 PM

Best for the buck

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Works As Advertised

- 4/6/2018 11:20:30 AM

Gold-Plated High Speed Supports 4K at 60Hz

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Silverback S6 HDMI Cable, 6 inches, 4K 60Hz 4:4:4, 1080p 120Hz, 18 Gbps, Exoskeleton™ Weave, HEC, ARC, 3D, Gold-Plated