ARRIS - SURFboard eXtreme N300 Dual-Band Router with DOCSIS 3.0 Cable Modem - Black

This ARRIS SURFboard cable modem uses DOCSIS 3.0 technology to ensure speed that lets you surf the Web and download videos, music and images with ease. The integrated wireless network (802.11n) is backward compatible with 802.11b/g access points.

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Best Buy Customer Reviews

Bad Reviews are Wrong Posted by: from: Alabama on I bought this despite the bad reviews here. I must say that those bad reviews are incorrect. Those experiencing dropped connections and/or poor speed must be using a bad cable provider and/or not paying for the proper amount of internet speed. This thing can only perform as well as the service you are feeding to it - and it can handle just about any speed available for residential cable customers. For reference I have the performance internet from Comcast/Xfinity. The price is a little high, but I believe it is worth it when you factor in that you can drop your monthly modem lease from your cable company and AND that you can drop using a separate router - thus eliminating wires and an outlet on your surge protector/wall outlet. My household regularly sees wifi usage between 2 iphones, 2 ipads, an xbox 360, and macbook pro, and samsung bluray player, and with this device none of them drop connection or slow in speed when multiple devices are in use. The password that comes with the device is long - but that's added security.

26 out of 27 found this review helpful.

Easy install, non tech can do it, look at pictures Posted by: from: Milton, Wisconsin on PRE WORK: * Internet research on SBG6580 * User reviews * Contact Charter Cable to verify compatible and approved (yes) * I am NOT an IT guy HISTORY: Despite the bad and negative reviews I went to Best Buy to get one of these since I had a rental modem for 15 years, yep $7/mo :( The guys at the store confirmed the part number and said installation wa straight forward, just follow the instructions verbatim. I had a coupon, gift card and store credit so I got this at a redicously low price. I went home and opened the box and read the very short and concise instructions. I Followed them VERBATIM and in 14 minutes I was uninstalled and reinstalled and running. I then went to the Motorola webite and watched 3 quick videos (not required). I then renamed my SSID and set up a Guest network in another 10 minutes. This thing is fast, I hit the button and the answer is there for old and new websites. I have the router in the lower level of my 3 story home. My kid took a laptop out side and 150 ft away from house and still had a connection at 2 BARS. Follow the very short instructions VERBATIM and be amazed. Motorola did a very nice job on documents, product and performance.

33 out of 34 found this review helpful.

Rock Solid Posted by: from: Oklahoma on I bought the SBG6580 a few months ago to replace an aging Linksys WCG200 gateway. The Linksys had been fine, and it got me addicted to the all-in-one concept, rather than having a separate modem and wireless router. I never had much trouble with the Linksys most of the time I had it. However, it did seem to be starting to "go," with more frequent reboots required toward the end. So, I checked my ISP's web site (Cox) to find out what wireless gateways were on their "good guy list" and I found the SBG6580 on it. I was very interested in upgrading from wireless G to N, and a quick search of Best Buy's site told me that my local store had the SBG6580 in stock. I found it very easy to set up, and I started running speed and ping tests on it to see if it was really "all that." The ping test revealed some issues, and after some quick research, I traced it to the "IP Flood Detection" checkbox on the Firewall page. I turned that off, and BOOM, I was off to the races! I just checked the Status page, and the gateway has been "up" for over 72 days without interruption. I heartily recommend this device.

21 out of 22 found this review helpful.

Ditch the cable company's modem Posted by: from: Lees Summit, MO on After finally getting frustrated with the modem provided by the cable company I decided to get my own. Of course they asked why since I wasn't paying to lease the one I had. Well their own speed tests confirmed I had throughput of about 9Mbps on a good day when I'm paying for 20Mbps service. I swapped out the old modem with the Motorola, called them with the MAC ID and was up and running in a matter of minutes. Of course the first thing was to perform a speed test, the same one that I used before the swap. 20.6Mbps! Not only is my internet connection substantially faster but the built in WiFi has a better reach than my previous router AND the home network runs faster since I've eliminated a piece of equipment; stand alone router. My home network is used quite extensively too; 3 cell phones, 2 ipads, two laptops, 1 desktop, 2 home servers, 2 gaming consoles, 4 Blu-ray players, 1 stereo and a security system. This router/modem hasn't missed a beat yet!

10 out of 10 found this review helpful.

Be warned Posted by: from: New Orleans, LA on After purchasing this to replace an older surfboard no longer supported by my ISP, Cox Communications out of New Orleans, LA, I found out the hard way exactly what the problems are. It is still too new of a system and Motorola has not solidified its firmware as of yet. After research, I have found that Cox, Comcast and Charter internet services, possibly others, are all having the same issues regarding these routers. It is extremely fast, but you WILL be frustrated by dropouts. Example, I had severe problems shortly after purchase, tech came out at a $50 charge, problems persisted for a few days and cleared. Now 2 weeks later I am incapable of streaming games or movies to the tune of 8 dropouts per hour for the last 3 hours or so. Be warned and informed as to whether this product is REALLY compatible with your ISP before buying or it is going to be a heartache. Unfortunately this review had to be written on my cell phone which is faster because it doesn't time-out on me...

9 out of 9 found this review helpful.

Motorola Surfboard Posted by: from: Alabama on The equipment that I was renting from my internet provider was unreliable. I was losing the signal everyday. The company that I am with was very helpful, but the problem could not be resolved. I even received a discount due to the faulty equipment. After four technicians and two rented modems/routers later, I decided to purchase the motorola surfboard 6580. I am glad I made the purchase. So far the 6580 has been very reliable. The wifi is stable and fast. I have read some reviews that stated people were having issues with the unit. I may have lost connection one time for about one minute, but no other problems have happened. Before anyone makes this purchase, make sure your internet provider is capable of handling the docsis 3.0 cable modem. Also I was told to disable the ip flood feature in the firewalls tab when setting up the modem to help increase the speed and function of the motorola 6580. Hope this helps!

11 out of 11 found this review helpful.

Avoid this thing. Posted by: from: Rockford, IL on I had to replace a cable modem Comcast said was too old and wouldn't work anymore. I figured it would be nice to have the modem and router all in one unit so I went with this one. It was simple to set up and get online, but that's where the part ends. The wireless on this thing is really flaky. When my pcs come out of sleep mode every other router I've used reconnects immediately. This one connects for a second, then disconnects and takes another one to five minutes to reconnect. That was just one issues. A week after I got it, I started having issues with losing the internet. I figured I had brand new hardware so it must be on Comcast's end. After numerous phone calls Comcast got a tech out to me 10 days later and found no problems with my cable. They determined the new modem was at fault. So today I boxed it up to return it and was told that I can't because I've had it for more than 15 days. Had I known their product was faulty I would have returned it much sooner, but I assumed that it was brand new and functioning properly and the problem was on Comcast's end. So now I've purchased another new modem and router and I'm sitting here out $143 and change because Best Buy won't take back a defective item. Not pleased.

13 out of 13 found this review helpful.

Did not work for me :( Posted by: from: on I read tens if not hundreds of reviews. I saw how this modem and router worked great for the majority of people, I unfortunately feel in the relatively small group of people that had a lot of problems. Internet seemed to work OK, the cable signal (dBm and SNR) was good, speedtest gave good results, but it turned out that the cable connection (with comcast) was unreliable with moments during the day that the modem said I was connected, but all packets were lost (basically equivalent to no internet). I had thousands of corrected and uncorrectable errors reported by the cable modem. The wifi was also unreliable, losing packets frequently and often with spikes in the ping times. As suggested by many people with technical issues, I returned it and got an Arris modem and a router+Wifi. I've had the new setup for a few days now, no packet loss, much more reliable Internet speed and no problems with Wifi. In four days the modem has reported 0 corrected and 0 uncorrectable errors.

4 out of 4 found this review helpful.

Great Replacement for Wireless Cable Box Posted by: from: on I needed to upgrade my wireless router I think mine came over on the Mayflower. I had changed the Comecast Internet so I decided I wanted both in on box. Did the recearch read all the reviews want to the website of the company that produces them (yes I'm one of those who looks at it all before investing) decided it was worth the money. Brought it home hooked the cable up my laptop by enthernet cable to it let it talk to my internet provider put in the passcode it gave me.READ THE PAPER WORK to find my user name and password the changed the long passcode to one I could remember. Now my husband's addiction to Creaglist cars and Trucks can go undisturbed. Great Buy well worth the money.

2 out of 2 found this review helpful.

Works better as a cable modem Posted by: from: Bangor, ME 04401 on We bought the SBG6580 about 3-4 months ago to replace a Time Warner Cable provided modem that was nothing, but problems. We are subscribed to Time Warner Extreme with 30mbps down/5mbps up and it constantly delivers the speed we pay for and gives us a ping range between 30&40ms. For awhile after purchasing we had multiple problems with our service with the modem rebooting and causing slow downs and giving us a page full length of error codes, but after we had Time Warner come out and replace our drop cable we have not had anymore issues. If you live in a big house such as I do I would suggest bridging the modem and set it up with a Airport Express to expand your WiFi coverage. Overall this modem may have a few problems, but all in all it works, easy to setup and delivers the speed we pay for

16 out of 17 found this review helpful.

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