BestBuy has one, and YES, you can use both ports at the same time

Motorola MB8611 vs Arris S33 Cable internet rates of up to 1.2 Gbps are supported by DOCSIS 3.1 cable modems (32 downstream x 8 upstream). 2 upstream x 2 downstream OFDM Bonded DOCSIS 3.0 channels 3 1 DOCSIS DOCSIS DOCSIS DOCSIS DOCSIS DOC Connects to any existing Wi-Fi network for lightning-fast internet. Gaming, conferencing, and high-speed streaming are all options. Active Queue Management reduces Internet latency and enhances app performance in areas like online gaming, conferencing, and streaming (AQM). Cost-cutting to the max – Your property will save an average of $168 per year in rental expenses if you have your own modem. (Savings based on Comcast Xfinity; savings may vary dependent on service provider.) Motorola is a trusted technology leader across the world. It comes with a two-year warranty and free technical support from our experts in the United States of America. Compatible with Cox, Spectrum, Xfinity, and other major cable Internet providers in the United States. ice. Stop renting your modem and cut your monthly modem rental costs! DOCSIS (DOCSIS 3.0) is a high-speed Internet protocol that enables for 3.1 performance — Gigabit-plus rates are possible. High-speed internet is available via Comcast Xfinity, Cox, and Spectrum. 32×8 Backward compatibility with DOCSIS 3.0 This gadget may be paired with any WiFi router. It works with any WiFi router to connect all of your devices. This cable modem has no built-in wireless router or phone capability. Ethernet speed of multi-gigabits — A 2.5 GB Ethernet port may enable genuinely high-speed connectivity to even the fastest routers and PCs when your internet service plan allows it, with downstream rates just under 2,500 Mbps and upstream speeds up to 800 Mbps.

BestBuy has one, and YES, you can use both ports at the same time. My PC is linked to the 2.5 port, and my Asus Ax11000 router is connected to the other port. I hope you find this information helpful. I have three things to say to you. 1. The 7621 features 24 x 8 channels against 16 x 4 on the 7420. There are more channels, hence there is more data flow. 2. The 7621 is capable of 1000 Mbps, whilst the 7420 is only capable of 643 Mbps. This is a wonderful choice if you need to boost your internet speed in the future. The Arris S33 is a 32 × 8 DOCIS 3.1 device with up to 2.5 Gb speeds. While the modem is on the Xfinity acceptable equipment list (for more information, visit, it is your router that is important. Make sure your router can handle at least 1 gigabit per second of traffic. 3. Although the 7420 was introduced in 2015, the 7621 was released in December 2017, with improved technology and extended support from right. Only one device is supported by the MB8600. The MB8600 may be used to connect your computer or a router. You can connect up to four devices directly to the MB8600 if you pay for and receive several IP addresses from your provider.