Customer Ratings & Reviews

Bought this modem to upgrade from my Surfboard 5101 which has been a stellar performer for a number of years. Spent 2 days struggling with signal being dropped after a few minutes or couple of hours. After several calls - Cox insisted that there was nothing wrong with their service and Motorola kept pointing to the high upstream power level (57.5 dBmV) as the culprit...Called Cox to get them to switch back to the old modem and presto - the tech on the line diagnosed the problem as being old firmware shipped by Motorola (3.1) - He upgraded the modem to 3.2 firmware and off we went....Very disappointed with Motorola tech service, which was quick to dump the blame on Cox. I am getting about a 20% increase in download speeds - approximately 30 MBps (Premier with Powerboost). If this thing craps out one more time then this is going straight back to Best Buy.

I bought this modem to replace my Cablevision modem (a/k/a Webstar). 3 reasons for this: 1) Cablevision has substandard gear 2) They like to give you used, nasty, refurbished units. 3) I rather have my own equipment, without having to worry about replacement fees, etc. Now, here's why you should get this modem as a replacement: 1) A speed increase of at least 2X (DOCSIS 3.0)! 2) STABLE connections (no dropouts). 3) Wireless built-in; you don't even need a separate router! This unit works FLAWLESSLY. My experience, so far, has been nothing short of EXCELLENT. I initially plugged in the unit, then had to call Cablevision to get the modem registered. After a successful reboot, they registered the modem and I was online in minutes. Previously I was running the Motorola SBG900 (older model from many years ago). This modem would drop signal after 40-45 minutes, then reconnect in 10 seconds. I was so frustrated, I went out to purchase this, and have never looked back since! The new modems (like the SBG6580 here) are the latest, DOCSIS 3.0, which gives you greater connectability, along with enhanced speed! Security setup is a snap - or a workaround, depends on your situation. The great thing about this modem is you don't even need to type in any codes for the wireless to work right out of the box. All you have to do is to click on the network in Windows, then the system will prompt you to 'press a button' on the modem to connect. It's that simple! For most users who just use the service with a laptop, etc. this will be all you need. Now, if you want to connect a Wii, cell phone, blu ray, etc. off the network, you'll need to setup an access code. To do this, you type 192.168.0.1 in the address bar, type 'admin' for the user name and 'motorola' for the password, and follow the instructions provided online at their website (motorola.com)... look for the 'User's Guide'. Click 'Wireless' at the top, then look for 'Primary Network' on the left. A great purchase! I won't be returning this! Anyone looking to BOOST their service, and get the wireless router BUILT-IN, check this out! It is an absolute wise investment!

I bought this modem for the fact that it has a built router. There was one thing that almost made me change my my mind about getting this modem. When I was checkingout, One of the store associates saw what I was purchasing and flat out told me I better get the Black Tie Service plan with modem, he said he works in the computer section and that he was getting alot of complaints about this modem having problems. I was using an older Motorola Surfboard and NetGear N150 Router that I got from Comcast. I did have a bit of a problem actually trying to connect the modem but after some time with Comcast Tech. Support we finally got it working. I'm a heavy bandwidth user so the first thing that I noticed was that on the wireless connection my speeds were 10 times better than my old set up. Same with my upload speed. I really like this modem for the that fact. The one thing I am worried about is also the fact of how quickly it heats up. When I put my had on the modem even when I ain't doing anything it is pretty hot, not burning hot but the type of hot that you can tell there's going to be a problem down the line if it keeps up. So I'm keeping and fingers crossed and I'll see what happens down the road. And for the record yes I did get the Black Tie Service plan, but I get that with pretty much any electronic product I buy.

I purchased this to upgrade from my old SBG900 gateway. My gateway is located with my home theater equipment so a simple clean look is necessary. I've been waiting for an all-in-one from Motorola that offered 802.1n for a while now. I've seriously been stalking this product online, waiting for it to become available. I have Comcast high speed internet right now. I usually average 3-5 Mbps down & 2 Mbps up. (over wifi) After installing this last night, my speeds were at 7.2 Mbps down & 2.5 Mbps up. I'm not sure yet if this can be attributed completely to the new gateway or if Comcast was just having a good night. I am very pleased with this purchase & it was a good way to "future-proof" my network for the next few years. I sold something on eBay last week that paid for this upgrade. It was basically free to me so it was worth every penny. ;-) However, if you currently have a decent 802.11g gateway such as the SBG900, it might not be worth the $150 you'll have to shell out for this. The benefits aren't really there yet. If you are looking for an all-in-one & don't own anything yet, spend a couple extra bucks & get this model. "But you don't have to take my word for it. (da da dun, Reading Rainbow sound effects)"

I purchased the SBG6580 several months ago from Best Buy and noticed it had a weak wireless signal. I didn’t think too much about this as I had placed the unit next to my home media server, another external hard drive, speakers and a sub woofer and finally the desktop computer itself, all within a foot or so of the SBG6580. All this electronic equipment was surely the cause of the weak signal, or so I told myself. Recently I moved the SBG6580 to another location. However the signal strength did not improve at all, still in the thirty percent signal strength range. So I called Motorola, explained my problem, changed the frequency channels per their instructions as their technician stood by on the phone. Result – no improvement. Then something strange happened. Motorola told me my problem was of “high priority” to them and that a ‘tier two” supervisor would call me shortly with a solution. The next day Motorola called and said they would send out a new unit, and that I should receive it within 5 to 7 days. It arrived three days later. I plugged the new unite in, changed a few settings, set up the security and now I’m happy to say I can receive a very strong signal everywhere in my house. However the most impressive aspect of working with Motorola support was the outstanding service provided. I would rate their response to my problem as a “10” out of 10. The Motorola SBG6580, even with the previous solved weak wireless signal, provided extremely fact access to my media files or when just surfing the web on my laptop. As a matter of fact when all three family laptops are in use at the same time there is no noticeable drop off in access speed or signal strength now. As for the Motorola SBG6580 itself it does everything it was designed to do, and fast. I have connected to it a Synology DS209 server. Also connected to the SBG6580 is the external hard drive. The SBG6580 can pull large 30 meg RAW photos for editing in Photoshop or viewing on my laptop as fast as my wired desktop. I have the 8 meg Express plan with Charter and this DOCSIS 3. unit consistently downloads in the 14 to 24 meg range. I would highly recommend the Motorola SBG6580, especially when backed up with their outstanding technical support.

I bought this modem last Thursday. I have a Windows 7 laptop and and Mac laptop at home, plus a printer and a couple of phones that access the network wirelessly. Rather than using help from Comcast to set it up, I called Motorola. The guy walked me through the process and the wireless modem worked great for about ten minutes. The Mac continued to work with the modem, but the PC did not. It could see the modem and it would tell me the signal was fine, but would not reconnect with it. So I called Motorola back and the guy explained to me that it was a Windows 7 problem. I then spent over an hour on the phone with two guys from India who supposedly fixed something to make it work. Based upon what I saw them do on the screen, they did not appear to make any changes to Windows, but rather only appeared to work in the motorola set up screens. In any case, neither the Mac or the PC worked the next morning. So it probably was not a Windows 7 problem. I called Motorola and complained and they suggested I return it for a new one. The Motorola person told me some of the modems were sketchy and people were having problems wirelessly reconnecting after their computers had gone to sleep. Best Buy replaced the model without any questions. The guy at the return counter told me that they had seen a lot of these items returned. I hooked the new modem up and contacted Motorola, explained the whole problem and had the guy walked me through the setup. It worked great the rest of Saturday. It worked great all day Sunday while I watched football and tracked all my fantasy football stuff on line and my wife watched netflix. Everything started up just fine on both machines on Monday morning. Hopefully, I have a good modem and my problems are solved. Based upon my experience, what I have read in the other reviews and my discussions with Motorola and Best buy employees, it appears that Motorola failed in one of the following areas: Testing, Management Decision Making or Manufacturing. It is obvious that there is some sort of problem with many of these modems and the Motorola help desk is not up to speed on how to deal with these problems. All in all, I had three different Motorola people walk me through the setup and all three set it up a little differently. I went into Best buy simply to replace my current Linksys wireless router and bought the much more expensive modem partly based upon the Motorola name. Owning my own modem saves me $7 a month that I do not have to pay to rent the comcast modem, so if this baby lasts two years, it pays for itself. Unfortunately for motorola, I will not trust their name as much in the future. It is so obvious that Motorola failed to adequately test these boxes before they released them. Don't know if the problem is in their QA area, their manufacturing area or bad management, but ultimately, some manager somewhere in Motorola made some wrong decisions. If you buy this modem there is a good probability you will have problems. Be prepared to have to return it for a different model. If I have any more problems with this modem I will return for a full refund and find a different solution that does not include a motorola product. I could not recommend this product to anyone without some cautionary warnings. Be prepared to return it and be prepared to spend some time on the phone with help desks.

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!

There has been some negative reviews on this and i have to say i have not experienced any problems, i believe the settings and firmware have been updated in new ones like mine. Why i got it is pretty simple. I have Time Warner Cable turbo. The provided Ubee modem/router was horrible, it ran most devices ok with some delays streaming, but playing XBOX was impossible on UBEE router, horrible lag and disconnects from LIVE. You should know that you must call TWC or whoever you have and tell them the MAC of the new router, otherwise it will not work, they also send updates to the modem. I now run 3 computers wireless, xbox wired to port(now lag free!!!), and a couple Roku's. I was ready to spend $300 to do this right but it looks like this motorola will do the trick. I say don't be scared, try it. THE ONE THINg THAT IS NOT THE BEST IS RANGE, there are other routers with better range than this but the house im in does not require great range. It's not bad on range, just saying if you need big range, this might not be the answer but to get better your looking at at least $100-150 for a router. BOTTOM LINE: Great little package that almost seems to good to be true, solid hardwired gaming performance(zero LAG). Runs multiple wireless devices at once without affecting other devices and at very fast speeds. Easy to setup and hastle free connect with TWC tech support.

Purchased this to go along with my time warner internet. Computer and phones hookup to the wireless no problem. Haven't had any issues with this product.

So I went to Best Buy specifically looking for a modem/router combo to cut down on wires and upgrade from my 10-yr old Netgear router that is amazing but is no longer compatible with new modems. Nevertheless, I was VERY discouraged by both a Comcast rep and a Best Buy rep from purchasing this equip. I did so anyway and was thrilled with how easy it was to setup. The Comcast rep told me to put it on the 2nd floor of my 3-story (1750 sq ft) home to ensure connectivity throughout, so I did. Sadly, on the 1st and 3rd floors the speed lags tremendously and often I have no connectivity at all despite my devices saying that they are still connected to the network. Four diff devices, same problem. For the past two days I cannot get anything done unless I hang out on the 2nd floor practically right next to the equip. For $150 their is no way that I should not have the ability to move around my house freely. Soooo back to Best Buy I go...to return it...wish I could find a combo like this that works better. P.S.- compatibility with Comcast is great and setup a breeze, so Mr. Best Buy rep you were wrong about that one. Mr. Comcast rep you were dead on about the disconnection and range issue.

Super easy to hook up with Comcast. Must hook it up through the Ethernet connection 1st. You CANNOT do wireless setup until its registered through Comcast. After you select "wired setup" it takes you to the Comcast website to finish the install. It registers the product through there website so you can use it. After its registered through Comcast, go to motorola's website 192.168.0.1 ----- User:admin ------ Password:motorola ----- to set up the wireless on your computer. hope this helps all who bought this. This is SUPER FAST!! Download speed are faster then Comcasts ratings with this modem.

I installed my modem in twenty minutes, easy to installed. Make sure your cable company activate your modem right, I had to call them three times. But it got my old desk top running faster than ever. Love it

I need to upgrade an old Linksys 2 in 1 that worked great but just had too many miles onit. i live in small 1300 sq foot home. have about 5 devices using wifi simultaneously at any given point in time. this motorola puts in work. I hardly deal with signal timeouts, and am very happy with the speed and power it can provide. not the most powerful thing on the market. but a great buy for what it costs.

Upgraded my Motorola SB5101U and Linksys router with this unit expecting some increase in performance, didn't happen. Signal fades in several areas of a 1740 sq ft home. First 30 days indicates the unit is going to require frequent resetting. Never did get the CD to run, got lucky, found sign-on and router set-up procedure online.

It performed as advertised but started to lag with a 3-4mbps download on a 25 MBps subscription. Researched on internet and turned off WMM as some had done with great success. Did improve performance and got 25 - 30 Mbps but not consistent. Upon further internet research found that it is Wifi in general with all units that is sporadically slow. So use LAN and now get consistent download of 30 Mbps. Otherwise would give 5 star rating. Convenient space saving with router/modem combo

I bought this cable modem because it features Docsis 3.0 capability and also acts as a wireless router / access point. I just moved into a home that has Charter as the provider of internet. While I initially was not happy about that due to previous terrible internet, I signed up for the package. I wanted to rule out any possibility of a sub-par modem so I purchased this one. When the service was first installed, I was only receiving around 2mb per second on the download. I signed up for their MAX service of 25mb per second, so I was very frustrated. Upon calling Charter they told me they did not support the firmware for this modem yet. I installed a Surfboard 5120 and the speed was spot on. Later, it kept re-syncing and would not hold a signal. They told me it was too high of a speed for the modem. So as a last resort, I provisioned this modem with them again and it worked great. I believe it is all in who you talk to there and what they know about their jobs. This modem WILL work with Charter. The wireless piece of the modem works excellent as well and is very easy to set up and use. The interface shows all the modem information you could ever need as far as signal strength etc, but with your router features on the same page. If you want the best / latest consumer cable modem right now, this is it.

First things first; if you can't get into your wireless settings, it's because there is a misprint in the QuickStart guide! The startup password is not "password" as it says; it is "motorola". I was able to get this installed on Cox' network with minimal issues. In the process I discovered that my primary computer was not working well with it. This customer support team was exemplary in their efforts to get my problem solved, and it turned out that in fact my computer's wireless card was not functioning properly. The problem has since been resolved, and my Internet speeds have improved tremendously! I was very pleased with customer support, and have found that this product is perfect for my needs, and very fast.

I had another Motorola surfboard but had to upgrade to keep up with higher speeds networking. I have only had a few times were I had issues with this surfboard. But the people at motorola helped me resolve the issue quickly, plus when you call for asistance you actually get someone from the U.S. who speaks english, it is just a matter of unpowering and repowering if it acts up (only 2 times so far and I have had it for awhile now) It has saved me from leasing a modemn and router from my local network provider, which within 10 months it has already paid for itself. After seeing mine, my neighbor went out and purchased one too. It is extremely easy to set up and use,and it does get alot of usage out of this machine. As someone once said..try it, you'll like it.

The Motorola SURFboard eXtreme DOCSIS 3.0 works very well and is noticeably faster than the 15xx modem I was renting from Comcast. Since I have bought it - it has already paid for it self in the saved rental fees. Setup was very easy and straight forward.

Despirte all the bad review, I purchase it at my local BB store anyway for $134. I recently purchase the $99 Motoralla Wireless Broadbrand Modem which only has one ethernet port and I didn't want to buy a switch. I use it for 1-2 week at least and decide that it won't work cause I will be getting a PC. I need extra ethernet port. So I read some review and Bought ithis Modem anways. Why you ask?? * 4 ethernet port *Wireless * Broadbrand Modem A 3 in 1 ..who else won't want it??! I didn't want to buy two equipment and use two power outlet...no no no.. I rather save energy and use just one. Setup was a breeze for me, the CD wizard I think isn't need but that is just me. I have to call my ISP cause I didn't write down the old modem MAC. For $134, this will last me for quite some few years plus I don't have to pay Charter $5 each month!! HAHHAHA!! Wireless signal on my PS3 average about 50%+ which is by the living room about 4 room so its not bad. I have place order to get CAT6 cable to use with this so the date would be faster, cause the modem only comes with a CAT 5e.