Motorola SURFboard 5101 Cable Modem - 515290-100-00
1 x RJ-45 10/100Base-TX LAN, 1 x F-type WAN - 38 Mbps - External

The delivery was on time.Although the box pack was not the one which you get to see on other sites.May be this was OEM dont know though.The box was of motorola but not the one which u can see in stores and other sites.The modem was brand new and in good condition.Easy to hook up and its working very good for me.Overall a very very awesome deal at the price I got on buy.com.
 
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Excellent!
 
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I got a great price from Buy.com, and delivery was faster than expected. I installed it in place of my failing 4101, and immediately saw performance improvement, with no new drivers required.
 
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Product arrived promptly. Installation was easy. Price much better at buy.com than chain retailers. Impressed with buy.com overall having purchased this modem and a few other items over the past couple of years.
 
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Arrived quickly, before cable installer came. Ready to go. Not being charged monthly lease fee from cable company since have my own. Unit working great.
 
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A lot of modem for a reasonable price Pros: easy to setup, reliable connection Cons: non found so far
 
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No hassles, everything hooked up real easy, and everything worked right away. Best value for the buck, would recommend this item to anyone else not needing wireless modem.
 
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After puzzling over why I wasn't seeing any of the speed increases from Comcast's upgrades I finally discovered that my old RCA cable modem (docsys 1.1) was limited to 3mbps though I was only averaging around 2mpbs. After some research on Comcast supported cable modems I settled on the Motorola SB 5101. Buy.com had a great price on the OEM version (plain brown box) and I received it in two days (with free shipping)! I spent 15-20 minutes on the phone with Comcast to get the new modem registered on the network and have been running for over a week with no problems. A sampling of speed tests show that I now average around 6mpbs down and 5mbps up (I have the cheapest Comcast plan). Some of the speed tests have been up to 15kbps down (probably due to Comcast's power boost kicking in). I am extremely happy with this modem and wish I had figured out my old modem was holding me back earlier.
 
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I was impressed with the prices from buy.com. Also their shipping is very reasonable unlike other sites that have good prices but then mark up shipping to make up for the low product price. I haven't used the modem for very long but so far so good. It was easy to hook up and based on other reviews of this same product I am sure it will perform well.
 
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Easy set up. Great price. One call to internet provider to autherize the modem and was good to go.
 
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buy.com sent this product in just a couple days, product worked as stated, very satified with product and buy.com
 
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Arrived quickly, no issues. Works great! Can't beat the price!
 
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We bought this as a replacement to the cable modem rented from Comcast. Great value and easy to use.
 
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I purchased this model to replace an earlier version supplied by Comcast without installing any new drivers & it's working great after some tweaking from online support. I wasn't being billed for my original modem but this one will be paid for in about a years time.
 
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I can't believe I "leased" a modem for 5 yrs before finding out that all I had to do was Buy one! The product plugs in with 3 easy steps and your computer does the rest!
 
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This was bought as a replacement for a modem not approved with ISP network upgrade. Great choice. Would recommend to anyone needing a new or replacement.
 
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This was bought as a replacement for a modem not approved with ISP network upgrade. Great choice. Would recommend to anyone needing a new or replacement.
 
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I've been using Motorola modems for years and they have always done a good job. BuyCom is $20 cheaper than WalMart ... the only difference is that it doesn't come in a fancy box ... can't beat a deal like that.
 
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Really wanted to get the new linksys cable modem because other than a WRK series router I have never had a problem with them. Unfortunately in reading reviews, the clothes hangar abortion gone bad that is comcast support apparently don't know what they are doing = or >%50 of the time and can't get it configured on their system properly. Had a 5120 that I purchased for three years that more than paid for itself before it bricked (considering comcast will bill you $3.00 a month to "lease" one from them). All in all I am fairly happy with it and will be satisfied if I get the same mileage as I did out of the last motorola modem.
 
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Extremely simple to install. We have many small business customers moving from DSL to Cable for increased speed and lower cost. As long as they are not using VoIP services, we recommend buying this modem instead of renting. We've used it effectively in multiple installations in the DC area with Comcast.
 
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The cable company recommended this modem as a replacement for the older unit I owned; technician said old one was at the end of its useful life. This one is fine; don't notice it being any faster or anything but it seems like a good replacement unit.
 
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Easy install, works great, and half the price compared to buying it locally! Thanks!
 
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The Motorola SURFboard 5101 Cable Modem is a no-fuss, easy to install and use modem. If Comcast thinks its good enough to use as their modem to lease to customers, it's worth paying ~$42 to own then $3.00/month to lease.
 
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I received the product very quickly. Hooked right up, called my cable co. and was online within minutes. Best price on the net too.
 
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very fast shipment. difficult install due to RCN ISP, but when finally up, does the job and saves me the monthly rental.
 
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Installed easily, no problems except for the slow Comcast phone registering. Was faster than the SB5120 it replaced. No more rental fees. Soon will be cutting cable tv service to basic. It is so not worth it paying for infomercials, spanish channels, trash tv, etc. I will be seeing what I want online now !
 
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Works exactly like it should. If you are renting your modem from Comcast you need to talk to someone in Sales to remove the modem from your account before you can give the new MAC address to the tech support folks. The person from Sales even connected me directly to them and it took less than 5 minutes for the new modem to come up on-line. I spent 20 minutes on the phone with the Support person before he figured out the call to Sales was required. Hope this will save someone the frustration I had.
 
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Well after 6 years of paying Charter for modem lease I decide to buy my own. It took less than 10 minutes to set up and in just a few months it will have paid for itself.
 
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Easy install, works great. No problem. Highly recommend!
 
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Does all it should, and nothing it shouldn't. This SB5101 replaced an SB5100, which didn't always boot up correctly. I just had to call Comcast and give them the new MAC address, and I was up and running. This new cable modem only ended up costing $21.00 because I got a $30 purchase credit for accepting a Buy.com credit card, and charging the modem on it. Such a deal!
 
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I was tired of paying the cable company for a modem so I bought my own. Modem works great and Buy.com service and fast shiping was excellent
 
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