WD My Net N900 HD Dual-Band Router Reviewed

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Tim Higgins

My Net N900 HD Dual-Band Router
At a glance
Product Western Digital My Net N900 HD Dual-Band Router (WDBWVK0000NSL-HESN) [Website]
Summary Ubicom-based “N900” router with Atheros radios, seven Gigabit LAN ports, USB printer and file sharing.
Pros – High routing throughput
– Produced the highest wireless throughput seen yet
– 20+ MB/s NTFS filecopy write/read
Cons – Better wireless throughput uplink vs. down


Updated 10/15/2012 – Added link to 5 GHz retest and updated related commentary
WD has discontinued its networking product line as of early 2014.

WD has bravely entered the highly competitive consumer router arena, with its four-member My Net HD Dual-Band router family. WD sent the penultimate member of the new lineup, the N900, in for review, so let’s get started.

WD My Net HD Dual-Band router lineup

One of the N900’s key competitive differentiations is the seven switched Gigabit Ethernet ports arrayed across its rather broad rear panel as shown in the graphic below. Note too, the dual USB 2.0 ports for storage and printer sharing. The latter, however, requires installation of Windows-only WD Print Share software.

My Net N900 rear panel

My Net N900 rear panel

The front panel contains a WPS button and handy status/activity LEDs.

My Net N900 front panel

My Net N900 front panel


I covered the internals of the the N900 in this Inside Story article, which I’ve updated with corrected component information. I also took the RF shields off after testing and snapped the photo below, which clearly shows a Ubicom IP8260U processor.

WD My Net N900 inside

WD My Net N900 inside

For quick reference, here is the updated table, with comparison to the similarly-designed D-Link DIR-857.

WD My Net N900 DIR-857
CPU Ubicom IP8260U Ubicom IP8000AU
Switch Atheros AR8327N (x2) Atheros AR8327N
RAM 256 MB 512 MB
Flash 16 MB 16 MB
2.4 GHz Radio – Atheros AR9381 single-band
3-stream 11n SoC
– 6976691A205 (manufacturer unknown)
2.4 GHz power amps (x3)
– Atheros AR9380 dual-band 3-stream 11n SoC
– Unidentified manf. power amp (x3)
5 GHz radio – Atheros AR9380 dual-band
3-stream 11n SoC
– Skyworks/SiGe SE2595L
Dual Band 802.11n Wireless LAN Front End (x3)
– Atheros AR9380 dual-band 3-stream 11n SoC
– Unidentified manf. power amp (x3)
Table 1: WD My Net N900 component summary


The N900 has a serviceable, but not comprehensive feature set with an admin GUI organized into simple and advanced pages. My Dashboard shown below is part of the simple admin and greets you upon router login. Each of the arrow buttons is a shortcut that takes you to the appropriate advanced settings page to make changes.

N900 My Dashboard

N900 My Dashboard

Actually, your first login puts you into a setup wizard that tries to automatically connect you to the Internet. It had no problem figuring out that it was connected to my LAN’s router and set its internet connection type to DHCP.

Before I go into details, here’s a rundown of the N900’s features


  • DHCP, Static, PPPoE, PPTP WAN types (MTU adjust available in all modes)
  • DHCP server with MAC address reservation and lease time setting
  • Built-in dynamic DNS client for DynDNS.org and TZO
  • DNS relay enable (default on)
  • DMZ host
  • Static routes
  • IPv6 support (static, Auto[SLAAC/DHCPv6], PPPoE, Link-Local only modes)
  • PPTP, IPsec, SIP ALG disables (default enable)
  • Rule-based allow/deny firewall for outbound service access and inbound port range forwarding (no scheduling, no separate source/destination ports)
  • UPnP support
  • Allow / deny (global) MAC address access filtering (wired and wireless clients)
  • Web content filtering (via NetStar)
  • Remote admin access enable with port adjust
  • HTTPs admin access enable
  • Warning/notice/debug system logging to screen and save to file
  • Router configuration save/load
  • Ping test
  • Router reboot
  • Router / AP mode switch (software only)
  • FasTrack Plus (Ubicom) automatic uplink QoS with manual / automatic uplink speed detection and 32 manual rules

Wireless features

  • WEP, WPA / WPA2 Personal and Enterprise (RADIUS) support
  • Wi-Fi Protected Setup (WPS) support, pushbutton and PIN
  • Auto and manual channel set
  • SSID broadcast disable
  • 2.4 GHz wireless modes: b-only, g-only, n-only, mixed b/g, mixed g/n, mixed b/g/n (default)
  • 5 GHz wireless modes: a-only, n-only, mixed a/n (default)
  • WMM disable

Sharing features

  • UPnP / DLNA, iTunes, FTP, SMB server enables
  • USB drive (NFTS, FAT, FAT32, HFS+ formats supported) and printer sharing
  • Public and one password protected account

Missing features

  • WDS bridging repeating
  • Wireless rate set
  • Transmit power adjust
  • Physical wireless disable button
  • Beacon period, RTS threshold, DTIM interval, Fragmentation Threshold adjusts
  • Wireless client isolation (from each other)
  • SPI firewall disable, UDP / TCP endpoint filtering, anti-spoof checking
  • WAN ping allow / deny
  • Multicast stream enable
  • IPv6 port forwarding
  • Scheduled port forwarding
  • Triggered port forwarding
  • Scheduled wireless access
  • Syslog support
  • Emailed alerts

The admin interface was responsive and able to save many settings without a long reboot. But when a reboot was needed, an 80 second countdown timer was launched in the browser window.

As noted earlier, the N900’s routing features should be fine for most consumers. The main question is how much port forwarding / filtering flexibility you need. The N900’s firewall provides 32 rule sets that are used for both outbound filtering and inbound port forwarding with the controls shown below. You don’t get separate source and destination ports and there is no scheduling that can be applied.

N900 firewall rules

N900 firewall rules

The DHCP server should be fine for most uses since it lets you conrol lease time, set a domain name and reserve IP addresses by MAC address. However, you can’t revoke a client’s DHCP lease to force it off the network or force a DHCP renew to get it to show up in the client list.

Table 2 summarizes the key wireless settings. Note that both Personal and Enterprise (RADIUS) forms of WPA/WPA2 security are supported and there is one more 5 GHz channel (165) than many other routers support. Note also that there is no transmit power control, no ability to set maxiumum link rates and no wireless on/off scheduling. You do get guest network support, however, on both bands with separate security modes.

Setting 5 GHz 2.4 GHz
Channel Auto, 36, 40, 44, 48, 149, 153, 157, 161, 165 Auto, 1 – 11
Bandwidth control 20 MHz [default]
20/40 MHz (Auto)
20 MHz
20/40 MHz (Auto) [default]
Security None
WPA2 Personal
WPA Personal
WPA/WPA2 Personal
WPA2 Enterprise
WPA Enterprise
WPA/WPA2 Enterprise
WEP (legacy only)
Table 2: Wireless settings summary

Features – Parental Control

Under the Security settings you’ll find Parental Controls. This is provided at no cost through NetSTAR’s inCompass cloud-based service. After providing an email address to set up an account and clicking on an emailed verification link you’ll see the page below when you click on the WD Internet parental controls policy management link on the Parental Controls page.

You get the same sets of Safe/Block and TimeBlock controls at the Master and Device levels. The former lets you block or approve (whitelist) URLs and the latter is where you apply web filtering levels by time of day. The Device list is gathered from the router’s DHCP server client table. As I’ve found with other products, that list isn’t always accurate. So you may have to manually add devices, release/renew the client DHCP lease at the client and/or reboot the router to get your device to show. Up to 15 devices are supported with 60 URL block/approves per device and 60 more at the Master level.

N900 Parental Controls

N900 Parental Controls

There are seven levels of filter including All and None, which are broadly described in a popup. You can’t see exactly what is blocked. But you can add blocked domain to a whitelist. When you trigger a block, you are redirected to a block page (below) that allows you to enter a password to bypass the block on a one-time, timed (1 hr., 2 hr., 1 day) or permanent basis (the whitelist). Note that unblocking takes 10 seconds to execute.

Parental Control Block message

Parental Control Block message

One important thing to note is that, due to security concerns, the router only talks to the NetSTAR cloud once every 15 minutes. So you don’t see changes instantly.

I did some gross checks and found that the filters do work at the URL level. But you could search for whatever you wanted and no filtering was applied for either text or images.

I’ve put more Parental Control and other screens in the gallery with additional details.

My Dashboard

Main screen for simple admin.

Setup Wizard 1

First page of setup wizard for Internet connection.

Setup Wizard 2

Second page of setup wizard for Internet connection.

Setup Wizard 3

Successful internet setup

Internet status

WAN status


PPPoE WAN setup page. MTU adjust is available for all connection methods

IPv6 status

Link-local default setting shown. Other modes are static, Auto[SLAAC/DHCPv6] and PPPoE)

IPv6 setting

Settings for Auto mode shown


Rule based firewall used for block/allow outbound and forward inbound traffic. There is no triggered port forwarding.

MAC filter

Access control for both wired and wireless devices is controled via these MAC address filters


SMB, FTP, DLNA and iTunes services can be enabled. You can’t add any accounts to the two that are shown.


Wireless controls. There is no on/off scheduling and no transmit power adjust.

Parental control master

You can block/allow up to 60 URLs for all users and 60 each on up to 15 devices.

Parental control time

This is all the information available about what is filtered.

Time block

This is where you control web filtering. You get hourly control only. Day of week is not available.

Block message

The block message allows for override on a one-time, timed (1 hr., 2 hr., 1 day) or permanent basis (the whitelist).

Device list

The Device list is gathered from the router’s DHCP server client table. Up to 15 devices are supported.

File Sharing

The two USB 2.0 ports support storage and printer sharing. Any client that supports SMB/CIFS (SAMBA) networking will be able to access the N900’s shared drive. But only Windows systems will be able to access printer sharing since you need to install WD Print Share software.

Storage menu

Storage menu

The checkboxes above show USB drive content can also be made available to DLNA and iTunes players as well as FTP. I had no problem accessing the drive from Win 7 computers and it showed up as a DLNA device in Windows Media Player. Note that you can access the N900’s share from MacOS systems, too. But you can’t use its storage for Time Machine backups.

You get only one public account and one password protected account. You can’t add any others. You also can’t initiate a DLNA content index.

I ran our standard Windows filecopy NAS test to an attached Iomega UltraMax Pro with its two drives configured in RAID 0. Table 3 below shows the N900’s results along with the DIR-857‘s and fastest-to-date Cisco Linksys E4200v2 / E4500.

Format MyNet N900 E4200V2 /
(USB 3.0)
FAT32 Write (MBytes/s) 12.9 9.8 13.9
FAT32 Read (MBytes/s) 21.72 21.6 30.9
NTFS Write (MBytes/s) 20.78 20.1 7.7
NTFS Read (MBytes/s) 21.34 22.2 16.1
Table 3: File copy throughput

Aside from FAT32 write, the N900’s results are about as fast as you’ll get from a USB 2.0 connected drive. The 857’s 30.9 MB/s FAT32 read speed is due to its USB 3.0 port. I suspect that if the N900 also had USB 3.0 ports that it would be just as fast. While these results aren’t what you’ll get from even today’s low-end NASes, they are equivalent to performance you’d find in single-bay Marvell-based NASes only a few years ago.

Routing Performance

Routing throughput was measured running 1.03.11 firmware, using our router test process. Table 4 summarizes and compares the N900 and D-Link DIR-857’s routing throughput. Performance is essentially a wash, except for Simultaneous Connection handling. The 857 maxed out at our test limit, but the N900 stopped opening new connections at a 16K limit.

Test Description N900 DIR-857
WAN – LAN 708 707 Mbps
LAN – WAN 728 697 Mbps
Total Simultaneous 1106 1077 Mbps
Maximum Simultaneous Connections 16,384 34,925
Firmware Version 1.03.11 1.00
Table 4: Routing throughput

I usually disable QoS if it is enabled before running routing throughput tests to ensure that no artificial limits are in place. But when I did that for the N900, I got results in the 300 Mbps range, which didn’t smell right, given the N900’s CPU. So I enabled FasTrack Plus QoS and set the uplink speed to 9999999 Kbps and got the results above.

I asked WD about this and they explained that hardware acceleration is kicked in when FasTrack Plus is enabled, which accounts for the higher throughput. I see no downside to leaving FasTrack enabled, just make sure that it properly detects your ISP uplink speed or manually set it.

The IxChariot composite plot below is with FasTrack Plus enabled.

N900 routing throughput summary - FasTrack Plus Qos on

N900 routing throughput summary – FasTrack Plus Qos on

Wireless Performance Overview

The N900 is Wi-Fi Certified with the 2.4 GHz radio defaulting to 20 MHz mode and the 5 GHz to Auto 20/40 mode upon power-up. Both radios default to the same SSID (WesternDigital), so you’ll need to assign unique ones if you want to be able to direct clients to a particular band.

While you’re at it, you should enable WPA2 security and enter network keys on both bands. Because, even though WPS comes enabled on the N900, your client won’t prompt you to enter a PIN or push the button on the router to start a WPS session. Once I did that, I successfully ran a pushbutton Wi-Fi Protected Setup (WPS) session that completed quickly and resulted in a WPA2/AES secured connection.. All tests were run with this secured connection using our current wireless test process.

I ran the two new tests to see if the N900 properly refrained from switching into 40 MHz bandwidth mode when it wasn’t supposed to. I’m happy to report that both the 40 MHz Coexistence and Fat channel intolerant tests passed. So you don’t have to worry about the N900 stepping on neighboring WLANs, even when it is set to Auto 20/40 mode.

As with all "N-900" routers, we’ll start with an overview, then provide the details for those who want to dig into the details.

The Benchmark Summary below shows some surprisingly high three-stream averages, which I’ll dig into more shortly.

N900 benchmark summary
N900 benchmark summary

Table 5 summarizes the highest wireless throughput measured out of all locations in the 20 MHz mode test runs. In all cases, the highest throughput was measured in Location A. Of particular note are the 2.4 GHz, 3 stream, 20 MHz results that all exceed 100 Mbps.

Test Group Max Dn (Mbps) Max Up (Mbps) Dn/Up (Mbps)
2.4 GHz, 2 stream, 20 MHz 58 51 77
2.4 GHz, 3 stream, 20 MHz 117 116 121
Table 5: Highest Throughput, 20 MHz mode

In fact, running a quick chart of three-stream 2.4 GHz downlink in Max throughput mode shows the N900 beating the ever-popular ASUS RT-N66U by a lot (117 vs. 86 Mbps)! Moving to the uplink version of the same chart shows the N900 again beating the ASUS, but by not as much (116 vs. 101 Mbps).

This pattern is repeated for 40MHz bandwidth mode shown in Table 6. Note the maximum uplink throughput of 217 Mbps! If I didn’t have the IxChariot plot to prove it, I wouldn’t have believed it!

Test Group Max Dn (Mbps) Max Up (Mbps) Dn/Up (Mbps)
2.4 GHz, 2 stream, 40 MHz 64 70 101
2.4 GHz, 3 stream, 40 MHz 135 217 150
Table 6: Highest Throughput, 40 MHz mode

The 5 GHz, 40 MHz mode uplink throughput of 167 Mbps is also impressive, but that’s not the whole story. Jumping ahead to look at the Performance Table for 5 GHz, 2 streams reveals the N900’s true 5 GHz colors. There are only measurements in locations A and C because that’s all I could measure! The WD N900 is the first router I’ve ever tested that could not be tested in location D. In fact, my Intel Centrino Advanced-N 6200 client in an Acer Aspire 1810T could barely hold onto a signal in location C!

Location C signal was more stable with the three stream client (Intel Centrino Ultimate-N 6300 / Lenovo X220i). But neither client could even detect the N900 when I moved them to location D.

I was intrigued as to the cause, so ran a quick inSSIDer scan with a laptop about a foot away from the N900 and then my NETGEAR WNDR3700v2 house router. I found the NETGEAR’s 5 GHz signal was about 10 dB lower than its 2.4. But inSSIDer showed the N900’s 5 GHz RSSI about 24 dB lower than its 2.4 GHz signal.

I reported this to WD and long story short, I found a manufacturing problem in currently shipping product that WD is in the process of sorting out. The good news is that WD said that the bad 5 GHz performance should be able to be fixed via a firmware update. But the timeframe for the fix at this point is unknown.

When WD does release the fix, I will retest the 5 GHz band and update the results. But in the meantime, the poor 5 GHz results you see in the charts are what to expect if you pick up a N900 right now.

Updated 10/15/2012

So the bottom line is that the N900 produced the highest throughput I’ve ever seen from any three-stream router on its 2.4 GHz side. See the 5 GHz retest review for that band’s results with a new, properly-operating sample that WD provided.

Wireless Performance – 2.4 GHz Two Stream

For performance comparison, I chose two other full "N-900" routers: the ASUS RT-N66U "Dark Knight" and Cisco Linksys E4200V2. I once again threw a NETGEAR R6300 draft 802.11ac router into the comparison, since many people are considering their purchase given that they cost the same as "N900" routers.

I recently changed the Performance Tables to widen its comparison criteria when highlighting similar performance. Instead of putting a yellow highlight on results that differ by 1 Mbps, the criteria is now +/- 5%. Given the (im)precision of wireless throughput measurement, I think this new criteria will be much more realistic in showing similarly performing products.

Let’s start with the Performance Table for 2.4 GHz, 2 streams. The ASUS Dark Knight is the clear winner in this round, taking three out of four comparisons and tieing one. The WD N900’s results don’t even come within 5% of any of the ASUS’.

The IxChariot plot summary below for 20 MHz mode downlink shows generally stable throughput. But you can see some prolonged dips in the lower signal level location D and F runs.

WD N900 IxChariot plot summary - 2.4 GHz, 20 MHz mode, downlink, 2 stream
WD N900 IxChariot plot summary – 2.4 GHz, 20 MHz mode, downlink, 2 stream

Here are links to the other plots for your reference.

Wireless Performance – 2.4 GHz, Three Stream

Next, we’ll look at the Performance Table for 2.4 GHz, 3 streams. Here is where the N900 shines, but not too brightly, winning only one comparison and tieing another. But since both wins are in 40 MHz bandwidth modes, these speeds are unlikely to be seen in the real world of overcrowded 2.4 GHz airwaves.

Note that, in general, the N900’s lower signal performance in 2.4 GHz is nothing to brag about. The ASUS is still the king of location D.

WD N900 IxChariot plot summary - 2.4 GHz, 20 MHz mode, downlink, 3 stream
WD N900 IxChariot plot summary – 2.4 GHz, 20 MHz mode, downlink, 3 stream

The IxChariot plot above shows some throughput rampup in the location A run. This effect was consistent and appears in all the other plots linked below.

Closing Thoughts

It’s too bad that WD’s entry into the consumer wireless router market is marred by a performance problem on the N900’s 5 GHz side. It’s otherwise not a bad first effort, with 20 MB/s + storage filecopy performance, decent feature set including free parental controls/web filtering for up to 15 devices, 700+ Mbps wired routing speeds, Ubicom-based automatic Qos and some of the highest throughput I’ve ever seen from a three-stream "N900" router (on its 2.4 GHz side).

Let’s hope WD really can fix the 5 GHz problem with a firmware update and do it soon, so we can see if the ASUS "Dark Knight" has a serious challenger for the top-performing "N900" router crown!

Updated 10/15/2012 – Copied from 5 GHz retest

The MyNet N900 is not a bad first router effort from WD, with 20 MB/s + storage filecopy performance, decent feature set including free parental controls/web filtering for up to 15 devices, 700+ Mbps wired routing speeds and Ubicom-based automatic Qos.

Our initial review showed it also has some of the highest throughput I’ve ever seen from a three-stream "N900" router on its 2.4 GHz side. And with the properly-operating new sample, I can say the same for the 5 GHz side. But those high speeds are only running uplink and only with a very strong signal (same room or maybe next room).

When it comes to downlink performance or as signal levels drop, the MyNet N900 looks less attractive than other choices in top-end "N900" routers.

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