Synology RT6600 Wireless Tri-Band 2.5G Gigabit Router

Experience ultra‑fast, secure networking with the Synology RT6600ax: tri‑band Wi‑Fi 6, 2.5 GbE WAN/LAN, dual‑WAN support, advanced SRM security, mesh‑ready. Perfect for NAS and modern homes.

Product Overview

The Synology RT6600ax is a tri‑band Wi‑Fi 6 (802.11ax) router powered by a 1.8 GHz quad‑core CPU and 1 GB RAM, delivering total theoretical speeds up to 6.6 Gbps across two 5 GHz and one 2.4 GHz bands. It features a 2.5 GbE port that can act as either WAN or LAN, four additional gigabit Ethernet ports (one used as WAN), and USB 3.0 for storage or mobile dongles. This makes it ideal for gigabit internet, NAS integration, gaming, and busy networks.

Key Features & Specs

• Tri‑band Wi‑Fi 6:

  • 2.4 GHz @600 Mbps

  • 5 GHz‑1 (4×4) @4,804 Mbps

  • 5 GHz‑2 (2×2) @1,200 Mbps

• Powerful Hardware: 1.8 GHz quad-core CPU, 1 GB DDR3 RAM, 256 MB flash Android Central

• Wired Connectivity: 1×2.5 GbE WAN/LAN, 3×1 GbE LAN, 1×1 GbE WAN port, USB 3.0

• Advanced Radio Band: Supports new 5.9 GHz UNII‑4 band for clearer 80/160 MHz channels

Software & Features

• Synology Router Manager (SRM):

  • Supports up to 5 virtual networks and 15 Wi‑Fi SSIDs

  • VLAN segmentation and dual‑WAN/failover

  • Parental controls, Threat Prevention, web filtering

  • Traffic control including QoS and per‑device limits

• VPN Support: Includes IPSec/L2TP/PPTP and advanced VPN Plus options

• Mesh‑Ready: Integrates with RT6600ax and other Synology routers

• Regular firmware updates with security fixes and performance patches

Pros & Cons

Pros

• Robust SRM software: advanced parental controls, VLANs, dual-WAN

• High-speed Wi‑Fi 6 performance with tri-band flexibility

• 2.5 GbE port ideal for NAS or high-speed WAN

• Scalable mesh support with dual‑band optimization

Cons

• Single 2.5 GbE port limits aggregated LAN speed Reddit+4Android Central+4Microless+4Reddit+9Reddit+9Synology+9

• Initial wireless quirks on some 5 GHz bands (patched later)

• Only one USB port; no 10 GbE or link aggregation

• Higher cost, especially compared to routers with similar specs

FAQs

Q: Can I use RT6600ax as a mesh node with RT2600ac or MR2200ac?
Yes—compatible mesh setup for expanding coverage across your home Homeowner.com+6Android Central+6Reddit+6Reddit

Q: Does it have dual-WAN?
Yes—the 2.5 GbE port can be set as WAN or LAN for load balancing and failover

Q: Is VLAN and SSID segmentation supported?
Yes—you can configure up to 5 networks and 15 SSIDs with SRM VLAN tagging Reddit+2Synology+2Synology+2

Q: Any stability concerns?
Some early firmware versions had 5 GHz drops; most issues resolved via SRM updates and patches

Q: How well does it work with Synology NAS?
Performs excellently—wired tests show full gigabit and 2.5 GbE transfer speeds ideal for NAS backups

Q: Does it support Wi‑Fi 6E?
No—it uses the 5.9 GHz band (UNII‑4) but is not Wi‑Fi 6E compatible.