- Concurrent Dual Band: 867Mbps on 5GHz and 300Mbps on 2.4GHz
- Two WAN ports for DSL and Ethernet offer double the choice – wireless router or DSL modem
- Compatible with VDSL2, ADSL2/2+, ADSL, fiber and cable services for complete future-proofing
- Gigabit Ethernet ports for fast and reliable internet performance
- Multi-purpose USB port supports file sharing, printer sharing, media streaming and 3G/4G support
- VDSL/ADSL WAN multi service for IPTV support
- PPTP/Open VPN server and VPN client support
- Download Master and enhanced media server let you download and stream anywhere
- ASUS AiCloud lets you access, sync, share and stream data anywhere
Future-proofed versatility with 802.11ac wireless speeds
The ASUS DSL-AC55U is a ADSL/VDSL 802.11ac Wi-Fi modem router, with combined dual-band data rates of up to 1167Mbps. On the 5GHz band, 802.11ac gives 867Mbps wireless data rates, while 2.4 GHz 802.11n performance supports 300Mbps. Compatible with ADSL2/2+, ADSL, VDSL2, fiber and cable services, the top specification completes future-proofing.
ASUS AiRadar enhances the Wi-Fi stability and improves coverage up to 150%*. Most importantly, the universal beamforming not only works on 802.11ac clients, but also 802.11a/b/g/n clients. Equipped with powerful hardware NAT acceleration and built-in Gigabit Ethernet, the DSL-AC55U gives you full Gigabit internet performance, with a WAN-to-LAN throughput performance of over 900 Mbps.
USB 2.0 port allows the DSL-AC55U to share printer and scanner over a network, and it can also operate as high-speed NAS (Network Attached Storage) device when external storage is connected.
The easy-to-use ASUSWRT graphical user interface unlocks the power of DSL-AC55U giving robust control to optimize your network for you. 30-second setup and easy traffic management means even network newbies can enjoy its sophisticated features, while power users will love its IPv6 support, multiple wireless SSIDs and encrypted VPN access.
Commercial-Grade Security for Family
All your family members, young or old, are exposed to the dangers of internet every single moment they're online. Disguised cyber threats can sneak in to steal your private data, or your kids may accidentally encounter inappropriate content during their ever-growing screen time. DSL-AC55U includes Advanced Parental Controls to give you total peace of mind, with AiProtection Pro - commercial grade security for your home network and comprehensive, easy control of the online experience for each family member and each device, all via the mobile app.
No Subscription Fee
Some routers only offer 3 years of protection, ASUS AiProtection has you covered for the life of your product
Protection Against Attacks
Intrusion Prevention System (IPS) blocks all common internet-based attacks.
Block Access to Malicious Websites
AiProtection uses Trend Micro's official database to identify and block known malicious sites, preventing infection even before you click.
Infection Detection and Blocking
Even if an already-infected device is connected to DSL-AC55U, AiProtection prevents any personal data on the device from being compromised.
Keep your kids safe when they explore the internet. The state-of-the-art parental controls in AiProtection integrate all the management functions you need in one place and the intuitive interface makes it super easy to view and apply security settings to all the devices owned by individual family members.*
Check the box when editing a device and profile, and the preset automatically applies filters for inappropriate content to all their devices.
Reserve valuable family time or help your children develop responsible behavior by selecting scheduled time periods to block internet access on specific devices.
Block specific categories of mobile apps and websites, and apply these settings to all devices belonging to individual family members. The advanced filtering integrates Trend Micro’s Deep Packet Inspection (DPI) engine to filter not only by website URL, but also by the internet packets themselves, which means it filters content viewed not only in a web browser, but also within mobile apps on your devices.*
Enhanced signal range and stability
ASUS AiRadar intelligently improves wireless connections by using exclusive ASUS RF fine-tuning. This ensures extended coverage, increases dynamic data speed, and enhances stability.
Total flexibility with DSL, Ethernet or 3G/4G LTE Internet connections
DSL-AC55U has multiple ways to connect to the Internet, with a choice of DSL, Ethernet or 3G/4G LTE*. You can use DSL-AC55U as a DSL modem Wi-Fi router or a standalone Wi-Fi router according to your needs. And with the ability to switch instantly between connections if one fails (and switch back again when it’s fixed) or combine multiple connections for more bandwidth, it’s perfect for reliable, always-on internet connectivity. *Requires compatible USB dongle
Gigabit Internet browsing with hardware NAT
Equipped with a powerful hardware NAT acceleration engine and built-in Gigabit Ethernet, the DSL-AC55U gives you full Gigabit performance. Its WAN-to-LAN throughput performance is over 900 Mbps, which is more than 4.5 times that of traditional software-based NAT Gigabit routers. This reduces the possibility of bottlenecks on fast internet connections.
Add external storage, printers, and other devices to your network
Make DSL-AC55U your media and device center. With built-in two USB ports, connect external storage drives, printers, scanners and many other USB-enabled devices to share with your networked PCs. Having your devices networked, lets you access them easier than ever before.
Robust control and optimization with DSL ASUSWRT
With the DSL-ASUSWRT dashboard UI, setup, monitor, and control network applications all in one intuitive area. The whole-new dashboard interface lets you manage all clients and settings via a single graphical interface, and provides 1-click updates. Try our ASUSWRT.
ASUS AiCloud – Your world on demand
ASUS AiCloud keeps you connected to your data wherever and whenever you have an internet connection. It links your home network and online web storage service and lets you access it through the AiCloud mobile app on your iOS or Android smartphone or through a personalized URL in a web browser.
Download and stream anywhere
Download Master and enhanced media server let you download and play multimedia files stored on router-attached USB storage on a wide range of compatible devices such as PC, pad, PS4, Xbox, and smart TV. Download Master can also download files while your PC is turned off, and allows you to manage and monitor download status remotely.
Better online multitasking at up to 300,000 sessions
Massive online multitasking at up 300,000 concurrent data sessions gives you 20 times the capacity of mainstream routers, allowing for great performance with no slowdown even during heavy traffic sessions. Multiple downloads occur at the same time to create a smoother user experience. More data sessions translate into quicker and buffer-less HD streaming plus lag-free online gaming even while you download content, so you can do more without compromising your online lifestyle.
VPN server and client for encrypted remote connection
With the virtual private network (VPN) server and VPN client, you can access your home network remotely or surf the internet with encryption, no need for paid VPN services or a dedicated VPN server
Product SKU ASU00193 Model DSL-AC55U Condition New Wireless Type Wireless-AC WiFi Frequency Band 2.4GHz & 5GHz (Dual Band) Advanced Features
- Network Standard
IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, IEEE 802.3, IEEE 802.3u, IEEE 802.11i, IEEE 802.11e, IPv4, IPv6
- Product Segment
AC1200 enhanced AC performance : 300+867 Mbps
- Wi-Fi Data Rate
802.11a : 6,9,12,18,24,36,48,54 Mbps
802.11b : 1, 2, 5.5, 11 Mbps
802.11g : 6,9,12,18,24,36,48,54 Mbps
802.11n : up to 300 Mbps
802.11ac : up to 867 Mbps
- xDSL Data Rate
Support Annex A/B/I/J/L/M
Support all VDSL2 profiles -8a, 8b, 8c, 8d, 12a, 12b, 17a and 30a
VDSL2 interface compliance with ITU-T G.993.2
ITU-T G.992.1 (G.dmt), Annex A, and B Compliant
ITU-T G.992.2 (G.lite), Annex A, and B Compliant
ANSI T1.413 Compliant
ITU-T G.992.3 (ADSL2) Compliant, Annex A, B, L, and M
ITU-T G.992.5 (ADSL2+) Compliant, Supporting Annex A, B, and M
ITU-T G.993.2 Compliant, Annex A, B
ITU-T G.993.5 (Vectoring)
ITU-T G.998.4 (G.inp) Improved impulse noise protection
ATM and PTM (dual-priority)
VDSL2 Upstream: 150Mbps, Downstream: 200Mbps
ADSL2+ Upstream: 3.3Mbps, Downstream: 24Mbps
ADSL2 Upstream: 3.5Mbps, Downstream: 12Mbps
DHCP server, firewall/NAT, DynDNS
Dual WAN Fail over/Fail back/Load balance
Traffic monitor/Quality of Service (QoS)
DSL feedback mechanism
Save/Restore configuration file
WiFi Bandwidth Limiter
External antenna x 4
- LED Indicator
Power, Internet, LAN x 4, xDSL, 2.4 GHz Wi-Fi, 5 GHz Wi-Fi, USB x 1
WPS Button, Reset Button, Power Button, Wireless on/off Button
1 x RJ11 for xDSL
4 x RJ45 10/100/1000 BaseT for LAN
1 x RJ45 10/100/1000 BaseT for WAN
- USB Ports
USB 2.0 x 1
- USB Applications
- Operating Frequency
- Operation Channel
13 Europe (ETSI)
128MB NAND flash/128MB DDR3
- Output Power
ac mode : 17 dBm
b mode : 20.5 dBm
g mode : 18.5 dBm
n mode : 17 dBm
a/n mode : 19 dBm
64-bit WEP, 128-bit WEP, WPA2-PSK, WPA-PSK
Web-based GUI configuration
Firmware upgraded, configuration data uploaded and downloaded via Web-based GUI
UPnP IGD 1.0
Auto VPI/VCI detection
Configuration backup and restore
Log & Trace function
- Download master:
．Support BT, NZB, HTTP, ED2K
．Support encryption, DHT, PEX and magnet link
．Upload and download bandwidth control
- Media server:
．Audio: mp3, wma, wav, pcm, mp4, lpcm, ogg
．Video: asf, avi, divx, mpeg, mpg, ts, vob, wmv, mkv, mov
- Printer Server:
．Multifunctional printer support(Windows only)
．LPR protocol support
- VPN Support
- Power Adapter
AC Input : 110 ~240 V(50~60HZ)
DC Output : 12 V/1.5 A
Power Consumption : 18 W Max.
CE, Telepermit, RCM
20.7 x 14.9 x 3.6 ~ cm (WxDxH) (Without Bezel)
360 g (Device Only)
- OS Support
Mac OS X 10.1
Mac OS X 10.4
Mac OS X 10.5
Mac OS X 10.6
Mac OS X 10.7
Mac OS X 10.8
- Package Content
DSL-AC55U Dual-band 802.11ac VDSL/ADSL Modem Router
Support CD(User manual and utility)
Quick start guide
Splitter (varies with regions)
Dimensions 20.7 x 14.9 x 3.6 ~ cm (WxDxH) (Without Bezel) Warranty 3 Year Warranty