Arris SURFboard SB8200
Score: 75/100
Motorola B12
Score: 83/100Rankings
The Motorola B12 is a compact DOCSIS 3.1 cable modem delivering up to 2.5 Gbps downstream with QoS and LED indicators, perfect for multi-gigabit internet plans. Its single Ethernet port and lack of built-in Wi-Fi mean you'll need an external router for multiple devices. Best suited for users who already own a high-performance router and want a future-proof modem.
The ARRIS SURFboard SB8200 is a DOCSIS 3.1 cable modem delivering very high theoretical speeds and dual Gigabit Ethernet ports. It lacks built-in Wi-Fi and can run hot, with some users experiencing lag spikes and port issues. Best suited for households that already have a separate router and need a high-performance wired modem.
| Attribute | | |
|---|---|---|
10,000 Mbpsbest | 2,500 Mbps | |
2,000 Mbpsbest | 800 Mbps | |
2 portsbest | 1 ports | |
| ↓ lower better | 0.608 kgbest | — |
2 yearsbest | 2 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Performance(2) | ||
Maximum Download Speed (Mbps) | 10000 Mbps | 2500 Mbps |
Maximum Upload Speed (Mbps) | 2000 Mbps | 800 Mbps |
Ports(2) | ||
Ethernet Ports (count) (ports) | 2 ports | 1 ports |
WAN Port Type | RJ-45 | Ethernet |
Build & Design(2) | ||
Dimensions (HxWxD) (mm) | 133.35x130.30x44.45 mm mm | 5.5 x 3.5 x 3.5 inches mm |
Form Factor | Modem | compact |
General(1) | ||
Provider Compatibility | Xfinity, Cox, Spectrum | Comcast Xfinity, Cox (up to 2 Gbps), Spectrum, RCN, Astound |
Products in the top-left offer the best value (high score, low price).
Reviewers highlight the SB8200's ability to deliver true gigabit speeds on DOCSIS 3.1 networks, praising its dual Gigabit ports, solid build, and proven compatibility with Cox and Xfinity. They note the lack of built-in Wi-Fi as a trade-off and caution that real-world speeds depend on ISP provisioning, while occasional lag spikes are mentioned as a minor drawback.
Users consistently praise the modem's speed, ease of setup, compact design, and compatibility with major ISPs, but many complain about the unit running hot, occasional lag spikes, and Ethernet port failures that cause connectivity drops.
Professional reviewers and retail editors consistently praise the Motorola B12 for its fast DOCSIS 3.1 performance, simple plug-and-play installation, and cost-saving potential compared to ISP-rented equipment. They note its future-proof design, broad ISP certification, and QoS capabilities as strong selling points for gamers and streaming enthusiasts.
Everyday consumers echo the professional sentiment, highlighting the modem's easy setup, reliable high-speed connectivity, and compatibility with their existing routers. The limited user feedback shows overwhelmingly positive experiences with few complaints, mainly centered on the lack of built-in Wi-Fi.
“easy to set up! Works well.”
Choose the B12 for the fastest single-port speed; choose the SB8200 if you need multiple gigabit Ethernet ports.
