
The Linksys WRT400N offers simultaneous dual-band, dual-radio technology which allows it to operate on both the 2.4 GHz and 5 GHz bands at the same time, increasing range and reducing interference. Budget routers can't usually do this, but the Linksys WRT400N cuts costs by omitting a couple of major features: there's no USB port (so you can't plug in an external hard drive for your network to share) or Gigabit Ethernet (the Linksys WRT400N uses the slower, older 10/100 Ethernet). Oddly, the Linksys WRT400N beats the Gigabit Ethernet-equipped Linksys WRT610N in one major speed test, although another major test finds the opposite. Users say the WRT400N is easy to set up and works dependably.
SmallNetBuilder.com and CNET both thoroughly test the Linksys WRT400N, including speed tests against the top-rated Linksys WRT610N. User reviews at Newegg.com and Amazon.com give indications of this model's real-world performance. PC World readers rate the reliability of several router brands, including Linksys.

| Cisco-Linksys WRT400N Simultaneous Dual-Band Wireless-N Router | |
(200 reviews) In Stock. |
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| Featured Stores | Store Rating | Notes | Total Price | |
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| ZDTronic.com | In Stock. | $199.00 | See It | |
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Our Sources
Surprisingly, the Linksys WRT400N beats the pricier Linksys WRT610N (which uses the faster Gigabit Ethernet) in the speed portion of this extensive test. It shows that Gigabit Ethernet-equipped routers aren't necessarily faster, reviewer Tim Higgins concludes.
Review: The One to Beat: Linksys WRT400N Simultaneous Dual-Band Wireless-N Router Reviewed, Tim Higgins, March 24, 2009
2. CNET
Unlike SmallNetBuilder.com, CNET finds the Linksys WRT400N lags behind its big brother, the Linksys WRT610N, in a speed test on the 5 GHz band. The Linksys WRT400N also lacks the Linksys WRT610N's USB and Gigabit Ethernet ports, reviewer Dong Ngo points out.
Review: Linksys WRT400N Simultaneous Dual-Band Wireless-N Router, Dong Ngo, March 26, 2009
3. NewEgg.com
This router has accumulated more than 45 owner reviews with an overall score of 4 out of 5. Most rate the Linksys WRT400N highly.
Review: Linksys WRT400N, Contributors to Newegg.com
4. Amazon.com
The Linksys WRT400N averages 3.5 stars out of 5 in more than 100 owner reviews here. Users particularly appreciate its ease of setup.
Review: Cisco-Linksys WRT400N Simultaneous Dual-Band Wireless-N Router, Contributors to Amazon.com
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