ModemGuides · The Blog · Tagged: DOCSIS 3.1
DOCSIS 3.1
Best Spectrum Modem Router Combos of 2026: One Box, No $10 WiFi FeeOne owned combo replaces Spectrum's free modem and its $10 per month WiFi router. The best Spectrum-compatible combos of 2026, plus who should skip them.
Do You Need a Gaming Modem? The Anti-Lag Tech Is Already in the BoxGaming modems are mostly marketing. Every DOCSIS 3.1 modem ships anti-bufferbloat tech; your ISP decides if it runs. Here is what actually lowers ping.
Best DOCSIS 3.1 Modems of 2026: Every Pick by Speed Tier and ISPThe 11 best DOCSIS 3.1 modems of 2026 by speed tier and ISP, checked against official approved lists, plus when DOCSIS 4.0 is worth waiting for.
Best Modems for Xfinity: Top Picks Ranked (2026)Every modem currently approved for Xfinity in 2026, audited against Comcast's official list: what was removed in April, and which model fits your plan.
Xfinity Is Removing DOCSIS 3.0 Modems: What It Means and What to BuyXfinity is steadily dropping DOCSIS 3.0 modems from its approved list, and unsupported models can stop activating. Learn how to check your modem and pick the right DOCSIS...
DOCSIS 4.0 vs DOCSIS 3.1: What's the Real Difference?DOCSIS 4.0 promises symmetrical multi-gig speeds, but DOCSIS 3.1 still powers most cable internet today. Here is the real difference, in plain English.
Best Modem-Router Combos for Xfinity (2026) — Skip the RentalStill renting your Xfinity gateway? Save $180+/year by owning your own modem-router combo. We compare the 5 best Xfinity-compatible options for 2026 — from the budget-friendly ARRIS G34...
DOCSIS 3.1 vs DOCSIS 4.0: Should You Upgrade in 2026?DOCSIS 4.0 promises symmetrical multi-gigabit speeds over existing cable lines, but retail modems are not available yet. Here is what you need to know before deciding whether to...
How to Get Symmetrical Upload Speeds on DOCSIS 3.1While standard DOCSIS 3.1 isn't natively symmetrical, mid-split and high-split upgrades are changing the game for cable internet. Learn how to unlock upload speeds up to 500+ Mbps...
Arris SURFboard S33 vs SB8200: Which Should You Buy?Debating between the Arris Surfboard S33 and SB8200? While both are excellent DOCSIS 3.1 modems, the choice comes down to one major feature: the Ethernet ports. We break...
Spectrum Modems to Avoid Before the October 2026 CutoffThe 2026 guide to Spectrum-approved modems. Find the best DOCSIS 3.1 pick for your plan, see which models to skip before the October 2026 DOCSIS 3.0 cutoff, and...
Do You Need a Gaming Modem? The Anti-Lag Tech Is Already in the BoxGaming modems are mostly marketing. Every DOCSIS 3.1 modem ships anti-bufferbloat tech; your ISP decides if it runs. Here is what actually lowers ping.
Best DOCSIS 3.1 Modems of 2026: Every Pick by Speed Tier and ISPThe 11 best DOCSIS 3.1 modems of 2026 by speed tier and ISP, checked against official approved lists, plus when DOCSIS 4.0 is worth waiting for.
Best Modems for Xfinity: Top Picks Ranked (2026)Every modem currently approved for Xfinity in 2026, audited against Comcast's official list: what was removed in April, and which model fits your plan.
Xfinity Is Removing DOCSIS 3.0 Modems: What It Means and What to BuyXfinity is steadily dropping DOCSIS 3.0 modems from its approved list, and unsupported models can stop activating. Learn how to check your modem and pick the right DOCSIS...
DOCSIS 4.0 vs DOCSIS 3.1: What's the Real Difference?DOCSIS 4.0 promises symmetrical multi-gig speeds, but DOCSIS 3.1 still powers most cable internet today. Here is the real difference, in plain English.
Best Modem-Router Combos for Xfinity (2026) — Skip the RentalStill renting your Xfinity gateway? Save $180+/year by owning your own modem-router combo. We compare the 5 best Xfinity-compatible options for 2026 — from the budget-friendly ARRIS G34...
DOCSIS 3.1 vs DOCSIS 4.0: Should You Upgrade in 2026?DOCSIS 4.0 promises symmetrical multi-gigabit speeds over existing cable lines, but retail modems are not available yet. Here is what you need to know before deciding whether to...
How to Get Symmetrical Upload Speeds on DOCSIS 3.1While standard DOCSIS 3.1 isn't natively symmetrical, mid-split and high-split upgrades are changing the game for cable internet. Learn how to unlock upload speeds up to 500+ Mbps...
Arris SURFboard S33 vs SB8200: Which Should You Buy?Debating between the Arris Surfboard S33 and SB8200? While both are excellent DOCSIS 3.1 modems, the choice comes down to one major feature: the Ethernet ports. We break...
Spectrum Modems to Avoid Before the October 2026 CutoffThe 2026 guide to Spectrum-approved modems. Find the best DOCSIS 3.1 pick for your plan, see which models to skip before the October 2026 DOCSIS 3.0 cutoff, and...