Is Arris SURFboard SBG6782 AC compatible with Xfinity?
Nathan Sanders
Updated on June 19, 2026
ARRIS SURFboard AC1750 DOCSIS 3.0 Cable Modem Router (SBG6782) Certified with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more (Retail Packaging White) Learn more about free returns.
How do I update Arris sbg6700 AC firmware?
How to load new firmware onto your router
- Step 1: Log in to your router.
- Step 2: Determine the router’s firmware version.
- Step 3: Determine the latest available firmware version.
- Step 4: Download the latest firmware.
- Step 5: Upload the new firmware to your router.
- Step 6: Wait for the magic to happen.
Is SB6190 compatible with Xfinity?
The SB6190 is a DOCSIS 3.0 cable modem capable of bonding up to 32 downstream and 8 upstream channels. Compatible with major U.S. cable internet providers The SURFboard SB6190 is compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others.
Do I need a router with Arris surfboard?
The Arris SB8200 modem that I’m looking at does NOT include a router or wifi, and has 2 gigabit ethernet ports. You may have to pay your ISP more to enable the second port. If you need access by more than one device, then you need a separate router in addition to the SB8200.
Does Arris SBG6700 AC work with Xfinity?
ARRIS Surfboard (8×4) Docsis 3.0 Cable Modem Plus AC1600 Dual Band Wi-Fi Router, Certified for Comcast Xfinity, Spectrum, Cox & More (SBG6700AC), White, Max Download Speed: 343 Mbps.
What modem do I need for 400Mbps?
Modem compatibility list, updated March 2021
| Cable modem | Comcast Xfinity | Spectrum |
|---|---|---|
| Netgear CM600 (24×8) | Up to 800 Mbps | Up to 400 Mbps |
| Motorola MB7621 (24×8) | Up to 800 Mbps | Up to 400 Mbps |
| Netgear CM500 (16×4) | Up to 200 Mbps | Up to 400 Mbps |
| Motorola MB8600 (DOCSIS 3.1) | Up to 800 Mbps | Up to 1,000 Mbps |
What speed is Comcast extreme?
400Mbps
Xfinity home internet plans (Central division)
| Plan | Max speeds | Standard rate (after promo period) |
|---|---|---|
| Extreme | 400Mbps download, 10Mbps upload | $96 |
| Extreme Pro | 800Mbps download, 15Mbps upload | $106 |
| Gigabit | 1,200Mbps download, 35Mbps upload | $116 |
| Gigabit Pro | 3,000Mbps download, 3,000Mbps upload | N/A |
