ARRISSURFboard SBG7580AC 32x8 DOCSIS 3.0 Cable Modem / AC1750 Wi-Fi Router- Black

I began writing a huge and complex review of this fine cable modem, only to realize why people read reviews is to assist in making a purchase decision.I bought this with the goal of getting the fastest possible Wi-Fi speeds on my Comcast Blast Pro! fiber optic Internet service. With this device, I am averaging about 180 Megabits per second (multiply times 0.125 to get MegaBYTES per second) which is a mighty jump over the past Arris modem I replaced which was yielding 75 Mbps.Now, my laptop is as fast on Wi-Fi as all my high-end gaming PCs which are connected via Gigabyte Ethernet cards and hard wires to this new cable modem. Yup - a wireless device performing as fast as the hard-wired devices on the same network.Tips regarding setup:1-Read the HFC MAC address to your ISP when adding this to your account. DO NOT read them the WAN MAC! Giving the WAN MAC to your ISP will blind them to your device and setup will fail. The HFC Mac address is on the label glued to your modem and on the setup instruction sheet.Tell your ISP this device is relatively 'new' and it may need to be 're-provisioned' a second time to make sure that your ISP succeeds in handing this unit two different dynamic IP protocol addresses. The first (and the one that works right from jump) is the new IPv6 Protocol. The one that was a bit of an issue is the older IPv4 protocol. Your network equipment needs BOTH of these to be assigned to your new cable modem or your Internet won't work properly. Arris 24/7 Tech Support advised me to ask the ISP to rebroadcast the setup signal, and that worked just fine. ALLOW TIME for your device to be recognized on the ISP system and for the firmware to automatically update (nothing you need to do but give it a couple hours). If your unit is not functioning properly 2 hours after ISP sends setup signal, call your ISP back and ask them to re-transmit the setup codes a second time, then allow 2 more hours for it to "be recognized" across the ISP system.Comcast lists this as a "Certified and Approved" device - that's very important - call your ISP pre-purchase and ask if the model you are thinking of will work.This unit has 32 download channels as opposed to many on the market with far fewer. More channels in Docsis 3.0 means faster Internet! AC1750 means both radio frequencies are combined at the same time for max Wi-Fi speed of 1750 Mbps. I won't do a tutorial on MegaBITS per second versus MegaBYTES per second - but the numbers you see on cable modem speeds need to be multiplied by 0.125 to give the MegaBYTES per second.My old Arris cable modem did a great job and was giving 180 Mbps on hard wired but only 75 on Wi-Fi. This new cable modem jumped my Wi-Fi devices up to 180 and I'm thrilled just for that alone. Also when backing up my laptop wirelessly, the backup now completes in just minutes as opposed to several hours when backing up to a Network Attached Storage device (Synology Diskstation).In a nutshell, I took the time to write this in hopes of assuring people who are on the fence that the initial pain of getting the unit activated is far offset by the GREAT IMPROVEMENT I encountered, most especially in Wi-Fi. I recently purchased an ASUS GL753VE gaming laptop from Costco, and I wanted my Wi-Fi to match the performance of my laptop. Done!

I did this to cut the cable tv out of my life. With the features embedded in my Visio 4k TV this is perfect to stream free tv and to supply my small house with wi-fi, with only 50 mbps @ 1.2 TB (you will never use that much data if you are single or pay attention to your data usage with your family) from xfinity. I can run my phone, my visitor's equipment, my tv and my PC at the same time on the Arris. Also, I have a cheap flat HD TV antenna that gets me 45 channels in the Seattle area including Fox, CBS and NBC, enough to watch some games and the news in the morning and evening. If you intend on running voice phone, I am not sure this is compatible it does not have a phone jack. I did struggle to get xfinity to ping successfully, they tried twice over the phone, and it failed, and they tried to send a technician, but I kept at it myself using their xfinity app and after I entered the correct MAC off the new modem, I did it myself. They (xfinity) told me to give them over the phone the WAN MAC # off the bottom and that is why it wouldn't ping the modem because the agent on the phone asked for the wrong MAC, there are 2 MAC #'s on the bottom of the modem/router, when I got up the next morning and still had no service and an appointment scheduled for 3 days away, I opened the xfinity app on my phone again and used the HFC MAC # on the bottom of the modem and boom $44 a month internet with no modem rental from xfinty. I paid $4200 for modem rental over the years not to mention cable box rental in the thousands both gone for good. The modem rental I save @ $25 per month will pay for the Arris in 8 months. Yes, it is hard to cut the cable and not buy a streaming service, try and not do it or you will be right back on the same hamster wheel, it was a real shock to not have DVR for my Nascar and football games and my favorite shows like Yellowstone, but over time like giving up crack, I realized this forced me to live in reality, if I want to watch a game, I have to be present for it, or not watch it. In the end the satisfaction of cutting my bill from $200 to $50 is enough to enjoy, my wi-fi, internet, free OTA network TV and 4K free TV. I also realized the TV I was watching is just noise anyway to occupy my time, I can find other ways to occupy my time and there is always my MSN browser to just cruise what is trending. The best part canceling a $200 xfinity tech visit that wasn't even necessary if the service agent knew their job. Satisfaction in Seattle!

Fast modem / router. Easy set up out of box. However, there is NO GUEST NETWORK CAPABILITY YET, and reportedly the engineers are working on this. Also, the USB port on the front of the device is for POWER ONLY, it cannot do anything more at this time. When I contacted ARRIS customer support I was informed that the engineers are working on these two issues, but no plan on when these features will be available. Also, the Quick Connect Mobile App that is advertised does not yet exist! The Netgear Genie app from my previous router was VERY useful as I could monitor and control my network from my laptop, iPad, Phone, even remotely from my workplace. ARRIS is behind the times on this!Pros: Easy setup out of the box. Definitely delivers the speed promised.Cons: No guest network (yet). Essentially nonfunctional USB port -- so cannot hook up any external hard drives for added network storage. No Mobile app to manage the router.