How to Choose a 4K Interactive Display for Your Conference Room

• Jun 02, 2026
• By Projex Display

Buying a 4K interactive display for a conference room is a significant investment — often $3,000 to $10,000+. Getting it wrong means years of frustration. This guide gives you the exact criteria to evaluate before you buy.

Step 1 — Determine the Right Screen Size

Screen size should be based on the room's viewing distance, not personal preference.

Rule of thumb: The display diagonal in inches should be at least 1/3 of the room's viewing distance in inches.

Step 2 — Decide: Interactive or Non-Interactive?

An interactive display has a touch-sensitive surface. A standard display does not.

Choose interactive if: People will whiteboard, annotate on content, or run collaborative sessions at the display.

Choose non-interactive if: The room is purely for presentations and video calls where no one touches the screen. Non-interactive displays are cheaper and have wider size options.

For most conference rooms in 2026, interactive is the better long-term investment because it eliminates the need for a separate whiteboard and adds hybrid meeting capabilities.

Step 3 — Evaluate the Embedded OS

Most modern interactive displays include an embedded Android OS — a built-in mini-computer. This means you can run apps (Teams, Zoom, browser) without connecting a laptop.

Questions to ask:

• What Android version? (Android 11+ recommended for current app compatibility)
• Is it upgradeable?
• Does it have Microsoft Teams or Zoom app pre-installed and certified?
• What is the processor and RAM? (4GB RAM minimum; 8GB preferred)

Step 4 — Check Video Conferencing Compatibility

If the room will be used for Teams, Zoom, or Google Meet, verify:

• Built-in camera? Some displays include one; most do not — you'll need an external USB camera
• Built-in microphone? SMART Board MX V5 includes one; most others do not
• USB-C port with 65W+ charging? Allows single-cable laptop connection
• Microsoft Teams or Zoom certified? Certification means tested compatibility, not just theoretical support

Step 5 — Consider IT Management

For deployments of 5+ displays, remote management is critical.

SMART Technologies — SMART Remote Management (cloud-based, included free)

Promethean — Promethean Vantage management platform

Yealink — Yealink Device Management Platform

All three allow remote software updates, device monitoring, lock/unlock, and configuration across a fleet without physically touching each device.

Step 6 — Verify TAA Compliance if Required

Government agencies, K-12 schools, and higher education institutions using federal funding (E-Rate, Title I, state contracts) often require TAA (Trade Agreements Act) compliant hardware.

TAA compliant versions are available for: SMART Board MX V5, QX, RX, M Pro series; Promethean ActivPanel.

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