Monoprice 100566 VGA HD-15 to 5 BNC RGB Video Cable

The Monoprice 100566 solves a specific and unforgiving signal integrity problem: getting a clean VGA signal from a computer's HD-15 output to a professional display's 5-BNC RGB input without resolution loss or crosstalk. The cable separates the five VGA signal components — Red, Green, Blue, Horizontal Sync, and Vertical Sync — into five individual coaxial conductors rather than bundling them in a shared sheath. Each conductor is independently shielded with 125% foil coverage plus a 90% tinned copper braid outer shield. This dual-layer construction matters at high resolutions, where the frequency of the analog signals is high enough that inadequate shielding produces visible color fringing, ghosting, or sync instability that a standard consumer VGA cable will not suppress.

This cable is not a general-purpose purchase — it belongs in professional AV racks, broadcast monitor chains, and high-resolution workstation setups built around displays with 5-BNC inputs. Those environments include high-end CRT monitors, broadcast-grade color reference displays, and professional projectors where the BNC input is the specified high-fidelity signal path. The HD-15 VGA end is analog-only: digital sources require an active signal converter upstream of this cable. For the application it was engineered for, the 100566 is a straightforward, durable solution at a Monoprice price point — no driver, no configuration, no compromise on shielding where the alternative is a degraded image on a monitor that deserves better.