8ft 28AWG High Speed HDMI Cable w/Ferrite Cores - Black A High Speed HDMI Cable from is the only way to ensure that you have the ability to pass ALL signals authorized in the latest HDMI feature specification. Ferrite Cores are small magnetic blocks wrapped around the end of a cable. They are used to suppress EMI/RFI electronic noise on the cable by absorbing the unwanted high frequencies and dissipating them as very low-level heat. This is the simplest and cheapest form of electronic noise reduction and is most effective on small gauge cabling, which is inherently more susceptible to electronic noise interference than thicker cables. This cable supports the following HDMI features: * 1080p Resolution - The High Speed HDMI Cable has sufficient bandwidth to transfer 1080p video signals between 1080p rated source and sink (display) devices.