Motorola SURFboard SB6141 DOCSIS 3.0 High-Speed Cable Modem- BLACK (OEM Brown Box)
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- 10/100/1000 Mbps Ethernet port to connect with router or computer
- DOCSIS 3.0 certified, capable of up to 343 Mbps and upload speeds up to 131 Mbps based on Cable provider service
- Compatible with all major CABLE providers like Comcast/Xfinity, Cox, Charter, Time Warner, Mediacom, Bright House. Call your ISP to verify compatibility
- Compatible with Windows, Macintosh and UNIX computers
- Front-panel LEDs indicate status and simplify troubleshooting
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|Sold By||Available from these sellers||Amazon.com||Amazon.com||Amazon.com||Amazon.com||MTRLC LLC|
|Item Dimensions||5.24 x 5.24 x 1.65 in||2 x 6.4 x 8.7 in||2 x 6.4 x 8.7 in||1.75 x 5.13 x 5.25 in||5.86 x 8.18 x 2.87 in||2.25 x 7.25 x 7.88 in|
|Item Weight||2 lbs||1.52 lbs||1.12 lbs||2.51 lbs||0.75 lb||1.1 ounces|
Building upon the success of the SB6121, Motorola's SURFboard SB6141 enhances your personal media experience, at lightning-fast broadband speed. It harnesses the power of DOCSIS 3.0 technology to bond up to eight downstream channels and four upstream channels--providing you advanced multimedia services with data rates up to 343 Mbps download and 131 Mbps upload depending on your Cable Internet provider service. That makes streaming HD Video, gaming, shopping, downloading, working, high-quality voice and video conferencing, and peer-to-peer networking applications far more realistic, faster, and efficient than ever before.
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My download speeds have been shockingly unreliable ever since I started my internet service about 6 months ago. It is supposed to be 20 mbit down. Sometimes, it is actually better than this (25+ for short times), but more often than not, it is much worse (at times < 5, usually around 10-12). It also fluctuates wildly on a minute-by-minute basis. One minute I'll have great speed, the next it crawls. Even during a single speed test, it would fluctuate between about 5-25 mbit.
TWC support was predictably unhelpful. The best I got from them was "that should not be happening." I pointed out that their own FAQ page says that a DOCSIS 3.0 modem is required for my service tier (so-called "turbo"). They said no, the old DOCSIS 2.0 Motorola SB5101 they gave me was fine. I got the same BS from the "normal" reps as well as the so-called "level 3".
I asked if they would give me a DOCSIS 3.0 modem, even though they claim it is not "required". They said no, I would have to upgrade to "extreme," which would add $10/month for the service and another $2.50/month for their DOCSIS 3.0 gateway.
So instead of doing that, I bought this modem (which is on the TWC approved device list). I called them, gave the MAC address, and I was up and running. When the modem connected, the downstream LED turned blue, which according to the manual, means that the channel is bonded. This is a very good thing.
With this modem, I get 20 mbit on the dot, 24 hours a day. Every speed test I have run confirms (including the 200 MB test on testmy.net). Last night, I downloaded about 15 GB of data with a sustained 20 mbit rate the entire time. It's pretty amazing how effective it is.
My speed is never ABOVE 20 anymore, but it is NOT BELOW either. I believe that the channel bonding makes it easier for the ISP to enforce bandwidth caps, but it also makes the connection more reliable. I'll take that deal any day.
I HIGHLY recommend this modem for TWC customers in DOCSIS 3.0 areas. Don't believe the customer service reps -- it absolutely is required. It sucks that TWC won't provide the hardware we actually need to fully use their service, but that's just the way it is.
The modem arrived on time, in a brown Motorola box. At first glance, everything seemed fine. The box included the modem and an Ethernet cable, both wrapped in plastic bags with the standard safety warning stickers sealing the modem bag. It also came with a safety instructions book, but oddly no manual (which should have tipped me off, now that I think back).
After taking the modem out of the bag, I noticed some scratches on the front side. I attributed this to minor damage incurred during shipment and simply shrugged it off.
I plugged the modem in, gave my ISP a call and had them activate the modem for me. Everything seemed fine... until I went to do a speedtest. I was getting about 1/6th my normal download, and oddly 3x my normal upload speed... but it felt VERY sluggish. I called the company back, they ran some diagnostics and let me know that I was showing some major packet loss, and that they would send a tech to help me resolve the issue.
Long story short, the tech came by and spent about an hour and a half trying to get my modem up and running. He did everything from reducing the number of splitters in my home to boosting my signal and could not figure out why the modem would not be working correctly. In the end, he said it could only be a modem related problem.
I did a quick search online, and sure enough I'm not the only one to have had a bad experience with the black version of this modem. As other reviewers have already stated, the black versions are sold only to cable companies and the white ones are sold by retailers. Black ones will have likely been purchased by a cable company at some point, so have a high likelihood that they were used fairly extensively as rental modems.
I returned the black version, and I went back and purchased a white version. It arrived in a completely different box with a picture of the modem on it (and a manual inside!). The white one is now sitting next to me, working flawlessly. I would actually highly recommend the WHITE version, as it tripled my upload speed and boosted my download speed a bit as well. The same can't be said about this black version, unfortunately.
Due to the number of good reviews for this product, I suppose it's one of those YMMV situations. Perhaps you'll get lucky and end up with one that was more lightly used. However, there are enough negative reviews that this can't be a coincidence.
It does irk me a bit that sellers are trying to pass this off as new. I feel "lucky" that mine never worked as I can return it and suffer no monetary loss. However, I do feel for those who bought one that broke months later and will likely not be able to return theirs.
I personally wouldn't take the risk with this black version.
The MAJOR problem with this modem is that it is loaded with the outdated firmware version 22.214.171.124 from Aug 18 2011. This version is known to have a serious bug that causes it to lose connectivity constantly. My ISP, SuddenLink, would not update the firmware to the latest version because it was a customer-owned cable modem. According to the DOCSIS 3.0 standard, the ISP is the only channel for updating the firmware. If your ISP won't do it, then there is no way to update it.
Beware of this product! Check with your ISP first if they will update the firmware. If not, this product is not worth it.