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Wi-Fi 6 vs Wi-Fi 5 for SMBs: Should you upgrade in 2026?

·6 min read

What does Wi-Fi 6 (802.11ax) bring compared to Wi-Fi 5? When is it worth the investment for SMBs? Vendor comparison (Aruba, Cisco, Ubiquiti, Fortinet).

Wi-Fi 6 (802.11ax) launched in 2019. In 2026, should you upgrade your SMB's Wi-Fi 5 (802.11ac)? A pragmatic answer based on context.

What Wi-Fi 6 really changes

  • User density: OFDMA enables serving more devices without saturation (up to 4× Wi-Fi 5 capacity)
  • Reduced latency: useful for video conferencing and VoIP
  • Battery life: Target Wake Time saves battery on smartphones / IoT
  • WPA3 security: mandatory
  • Throughput: 1.5× faster in theory, but limited by uplink capacity

When to upgrade to Wi-Fi 6

  • Open-plan office with > 30 people
  • Hospitality / food service with client connectivity
  • Meeting rooms with frequent video calls
  • Natural equipment refresh (5–7 year cycle)
  • If majority of devices are recent (laptops 2020+, smartphones 2020+)

When to keep Wi-Fi 5

  • Small team < 10 people
  • Traffic dominated by light office work
  • Older devices prevalent (no Wi-Fi 6 client = no benefit)
  • Constrained budget and no performance issues observed

2026 vendor comparison for SMBs

  • Ubiquiti UniFi U6-Pro: ~EUR 195 excl. VAT, free UniFi management, excellent value for money
  • Aruba AP-635 Wi-Fi 6E: ~EUR 980 excl. VAT, tri-band 6 GHz, optional Aruba Central management
  • Cisco Meraki MR46: ~EUR 1,050 excl. VAT (+ cloud license), premium management
  • Fortinet FortiAP 431F: ~EUR 850 excl. VAT, Fortinet Security Fabric integration

Recommended architecture

For SMBs with 20–50 workstations:

  • 2–3 Wi-Fi 6 access points (covers ~500 m² with roaming)
  • 24-port PoE+ switch (powers access points)
  • SMB firewall with filtering
  • Separate SSIDs: guest / business / IoT (3 VLANs)

Typical budget for 30-workstation SMB upgrade

  • 3 Aruba or Ubiquiti access points: EUR 600–3,000 excl. VAT
  • PoE+ switch Aruba or Cisco: EUR 1,750–2,500 excl. VAT
  • Installation + configuration: EUR 1,500–2,500 excl. VAT
  • Total: EUR 3,850–8,000 excl. VAT

Conclusion

Wi-Fi 6 is worth upgrading for SMBs with > 20 people or dense office layouts. For small teams with acceptable performance, keep Wi-Fi 5 until the next natural equipment refresh.

#Wi-Fi 6#Networking#SMB#Upgrade
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