Monoprice

Monoprice 100566 6FT VGA to 5 BNC RGB Video Cable

4.7 (76 reviews)

Double-shielded VGA-to-5BNC construction preserves signal integrity across 6 feet for reliable component video connections to professional monitors and projectors.

$17.99*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Monoprice 100566 is a 6-foot VGA HD-15 to 5-BNC RGB video cable engineered for the specific signal routing challenge that arises when a VGA-output source — a PC, a legacy workstation, or a document camera — needs to connect to a professional display or projector with discrete BNC inputs. The 5-BNC termination separates the video signal into its RGB components plus separate horizontal and vertical sync lines, which is the connection standard used by broadcast monitors, engineering-grade projectors, and high-end display hardware from the era when component RGB was the reference standard. Double shielding across all five signal conductors addresses the primary failure mode of VGA-range frequencies: electromagnetic interference from adjacent power runs and RF-emitting equipment that manifests as ghosting, color smearing, or a grainy noise pattern in the image.

At 6 feet, this cable is appropriate for desktop-to-monitor and rack-to-nearby-display installations. The passive construction is both its strength and its constraint — there are no active components to introduce latency, signal processing artifacts, or failure modes beyond a physical break, but there is also no signal amplification to extend the usable range beyond what the double shielding and conductor gauge support. The five BNC connectors use a standard twist-lock mechanism that provides a more mechanically secure and electrically consistent connection than a single multipin VGA connector at the display end, which matters in fixed professional installations where cables are set once and expected to remain reliable indefinitely. This is a utility cable for a specific legacy connectivity problem — it solves that problem cleanly without overengineering.

Specifications

Cable Type
VGA HD-15 to 5 BNC RGB
Length
6 feet
Color
Black
Shielding
Double shielded
Application
HDTV monitor / component RGB display
Brand
Monoprice
Model
100566

Pros & Cons

👍 Pros

  • Double shielding on all five signal conductors suppresses electromagnetic interference, maintaining signal integrity in equipment-dense racks and broadcast environments where RF noise is a genuine concern.
  • Five discrete BNC connectors provide individually secured, twist-lock connections at the display end — eliminating the intermittent contact issues that can affect combined connector types over time.
  • 6-foot length covers the typical gap between a rack-mounted source and a desktop monitor or nearby projector without excess cable to manage.
  • Passive construction means no active components to fail — the cable either works or it doesn't, with no firmware, drivers, or power requirements to troubleshoot.

👎 Cons

  • 6 feet is a fixed, short run — installations where the source and display are across a room will require a different cable or an active signal extender, as this cable does not come in longer variants under this model number.
  • VGA and 5-BNC are both legacy connection standards; newer displays and graphics cards have largely moved to DisplayPort and HDMI, limiting the compatible hardware pool to older or specialized professional equipment.
  • No ferrite cores or additional EMI suppression beyond the double shielding — in extremely interference-heavy environments such as broadcast trucks, premium cables with additional filtering may perform more reliably.
  • The BNC connectors require a quarter-turn twist-lock to seat properly; users unfamiliar with BNC connections occasionally seat them without locking, causing intermittent signal loss.

Frequently Asked Questions

One end terminates in a standard HD-15 (VGA) connector, the other in five BNC connectors (R, G, B, H-sync, V-sync). The source device needs a VGA output — a PC graphics card, a document camera, or a legacy workstation — and the destination needs five discrete BNC inputs labeled for RGB component video. Professional broadcast monitors, high-end projectors, and older engineering-grade displays typically carry these inputs.
The cable's application is listed for HDTV monitor use, and VGA-to-5BNC connections are capable of passing resolutions up to 1920×1200 (WUXGA) and beyond, depending on the signal source. Resolution ceiling is determined by your source device and destination display, not by the cable construction at 6 feet — the double shielding is specifically designed to preserve signal integrity at these higher frequencies.
At 6 feet, signal degradation is negligible for resolutions up to 1080p on a double-shielded cable of this construction. The double shielding suppresses electromagnetic interference from adjacent power cables and other RF sources, which is the primary cause of ghosting, color bleed, or noise artifacts at VGA signal frequencies.
Electrically yes, provided the BNC source is outputting an RGB signal with separate H and V sync on the correct pins. The cable is passive with no signal conversion — it simply connects the conductors. Compatibility depends entirely on matching signal standards between source and destination, not on cable direction.