Best Surfboard Sb6121 (2019) - Buyer's Guide

Why did this surfboard sb6121 have the first place?

Approved on comcast xfinity, spectrum (charter, time warner, brighthouse networks), cox, mediacom, suddenlink and most other USA cable internet providers. Not compatible with verizon, at&t or centurylink. 8 download channels and 4 upload channels capable of up to 343 mbps download and 131 upload speeds. Recommended for internet plans up to 100 mbps. 2 year warranty with USA based customer service. Refer to the quick start guide and installation video. Does not include wifi router or voip telephone adapter. Gigabit etherent port to connect to pc or router. Brown box models not valid for this item when sold as new, should report to amazon immediately and return to seller.8 download and 4 upload channels.

Why did this surfboard sb6121 is on the second place?

10/100/1000mbps ethernet port to connect with router or computer. Docsis 3.0 certified, capable of up to 172 mbps and upload speeds up to 131 mbps based on cable internet service provider. Requires cable internet service. Compatible with major USA cable providers. Front-panel leds indicate status and simplify troubleshooting. Tips, reorient or relocate the receiving antenna. Increase the separation between the device and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/tv technician for help.

Supports ipv4 and ipv6 networking, as well as windows, mac, and linux computers.

Why did this surfboard sb6121 is on the third place?

Approved with comcast xfinity, spectrum (charter, time warner, brighthouse), cox and more. If not sure call your cable provider to find out if approved to use. Requires cable internet service. Cable modem only (no wifi router). 16 download & 4 upload channels. Not compatible with: verizon, at&t, or centurylink. Supports ipv4 and ipv6 the latest internet standard. Ideal for streaming hd video and gaming on multiple devices at a time. Internet speeds up to 686 mbps download and 131 mbps upload based on your cable isp subscription. Gigabit ethernet port to connect to computer or router.

Why did this surfboard sb6121 is on the fourth place?

Compatible with time warner cable, charter, cox, cablevision, and more. Brown box models not valid for this item when sold as new, should report to amazon immediately and return to seller. Requires cable iternet service, if not sure your provider is cable call them to confirm. Internet speeds based on your cable providers service – up to 172 mbps download and 131 mbps upload. 4 download and 4 upload channels. Wired modem only, does not include wifi router or voip telephone adapter. Gigabit ethernet port to connect to computer or router for fast downloads. Not compatible with verizon fios or at&t u-verse, no longer approved by comcast xfinity.

Why did this surfboard sb6121 is on the fifth place?

Good for streaming video and gaming on multiple devices at a time. Docsis 3.0 certified, capable of up to 172 mbps and upload speeds up to 131 mbps based on cable internet service provider. 10/100/1000mbps ethernet port to connect with router or computer. Supports ipv4 and ipv6 networking, as well as windows, mac, and linux computers. Requires cable internet service, if not sure your provider is cable call them to confirm.