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White rectangular router with four upright external antennas and front status LEDs

Synology Inc.

Synology Inc. RT6600ax wireless router

SKU CH-93MH-V3VKN MPN RT6600ax

Tri-band Wi-Fi 6 router delivers up to 6.6 Gbps with a quad-core 1.8 GHz processor and a 2.5 GbE port

  • CPUQuad-core 1.8 GHz
  • Interface type1 x USB 3.2 Gen 1 (Type-A)
  • Wireless standardsIEEE 802.11a / IEEE 802.11ac / IEEE 802.11ax / IEEE 802.11b
  • WAN interfaces1 × 10/100/1000M
  • Security featuresWi-Fi Enhanced Open (OWE), Wi-Fi Protected Setup (WPS) 2.0
  • WPAWPA/WPA2-Personal, WPA/WPA2-Enterprise, WPA2/WPA3-Personal,
  • Tri-band Wi-Fi distributes devices across three radios for smoother throughput
  • Quad-core 1.8 GHz processor handles heavy traffic without slowing management
  • 5G LAN port plus three Gigabit ports give wired clients fast local links
  • Wi-Fi 6 delivers up to 6.6 Gbps combined wireless speed
  • USB 3.2 Gen 1 port adds network storage or printer sharing

Tri-band Wi-Fi 6 router

The Synology RT6600ax is a tri-band Wi-Fi 6 router built for homes and small offices that need high combined throughput and secure management. It delivers up to 6.6 Gbps across three radios and runs Synology Router Manager for simplified network control. A quad-core 1.8 GHz processor keeps the interface responsive when many devices are connected. The 2.5 GbE WAN/LAN port supports fast wired uplinks or local links.

Thermals noise and power

The unit operates reliably between 5 °C and 40 °C with humidity from 8 % to 80 % RH, so it handles typical indoor environments without active cooling noise. Storage tolerances extend from -20 °C to 60 °C and 5 % to 95 % RH for safe long-term keeping. External antennas fold upright for compact placement while maintaining signal gain. LED indicators show LAN, WAN, Wi-Fi and system status at a glance.

Build fit and expandability

Four Gigabit LAN ports and one 2.5 GbE port provide wired connectivity for desktops, NAS units or access points. A USB 3.2 Gen 1 Type-A port allows adding shared storage or a printer directly to the network. VPN support includes PPTP, OpenVPN and L2TP over IPSec for secure remote access. Security options cover WPA2/WPA3 Personal and Enterprise plus Wi-Fi Enhanced Open.

How it compares

Measured against everything we stock in Wi-Fi Routers, at today’s prices. Recalculated every night.

Price $284.99
Pricier than about 78% of the 495 comparable items (median $126.99).

Specifications

Product
Brand nameSynology
Model nameRT6600ax
Processor
CPUQuad-core 1.8 GHz
Connectivity
Wireless standardsIEEE 802.11a / IEEE 802.11ac / IEEE 802.11ax / IEEE 802.11b / IEEE 802.11g / IEEE 802.11n
Wireless speedAX6600 / Up to 6.6 Gbit/s
Radio bands2T2R + 4T4R omnidirectional high-gain dipole (2.4 GHz/5 GHz)
Antenna configurationExternal Antenna
Ports & slots
Interface type1 x USB 3.2 Gen 1 (Type-A)
WAN interfaces1 × 10/100/1000M
Network ports1 × 2.5G / 3 × 10/100/1000M
Size & build
Product dimensions6.89 in × 12.6 in × 7.87 in (antennas in upright position)
Shipping weight1.81 kg
Package size368 × 260 × 102 mm
Compatibility
VPN supportPPTP, OpenVPN, L2TP over IPSec
In the box
In the boxRT6600ax main unit
AC power adapter
RJ-45 LAN cable
Quick Installation Guide
Environment & compliance
Temperature rangeOperating environment: 5 °C to 40 °C (40 °F to 104 °F)
Storage environment: -20 °C to 60 °C (-5 °F to 140 °F)
Humidity rangeOperating environment: 8% to 80% RH
Storage environment: 5% to 95% RH
More details
Security featuresWi-Fi Enhanced Open (OWE), Wi-Fi Protected Setup (WPS) 2.0
WPAWPA/WPA2-Personal, WPA/WPA2-Enterprise, WPA2/WPA3-Personal, WPA3-Personal/Enterprise
Indicator lightsLAN indicators, WAN indicator, Wi-Fi indicator, Status indicator

Questions about this item

How do I install the Synology RT6600ax and which step do people often miss?

Connect the WAN port to your modem, attach the four external antennas in the upright position, power on, then follow the Quick Installation Guide to access the SRM setup wizard. The step most often missed is configuring the 2.5G LAN port as WAN or LAN in SRM before plugging in devices.

What maintenance or replacement will the RT6600ax need over time?

No user-serviceable parts are inside. Keep the ventilation openings clear of dust, operate within 5°C to 40°C, and install SRM firmware updates when they appear to maintain security and feature support.

What limit appears first on the RT6600ax during sustained heavy traffic?

The single 2.5G LAN port and the 1 Gbps WAN port cap wired throughput before the AX6600 wireless capacity or the quad-core 1.8 GHz processor becomes the bottleneck.

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