
Motorola MB8600
Score: 82/100
AT&T U-verse 5268AC
Score: 81/100Rankings

The Motorola MB8600 is a DOCSIS 3.1 cable modem delivering up to 3.8 Gbps downstream speeds and four Gigabit Ethernet ports. Its lack of built-in Wi-Fi and masked Ethernet ports limit flexibility for some users. Ideal for gigabit plans where a separate router is already in use.

The AT&T U-verse Pace 5268AC is a high-performance DSL/Fiber gateway featuring 4x4 AC Wi-Fi, Gigabit Ethernet and integrated HomePNA for seamless home networking. Its drawbacks include lack of battery backup and carrier-specific optimization that limits use with other ISPs. Ideal for AT&T customers seeking an all-in-one solution with robust wired and wireless performance.
| Attribute | ![]() | ![]() |
|---|---|---|
3,800 Mbpsbest | — | |
800 Mbpsbest | — | |
4 ports | 5 portsbest | |
— | 1 portsbest | |
| ↓ lower better | 30 Wbest | — |
| ↓ lower better | 0.031 kgbest | — |
2 yearsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Ports(1) | ||
Ethernet Ports (count) (ports) | 4 ports | 5 ports |
Build & Design(1) | ||
Dimensions (HxWxD) (mm) | 200x57x184 mm mm | 6.97x2.56x10.41 mm |
General(1) | ||
Provider Compatibility | Comcast Xfinity, Cox, Charter Spectrum | AT&T |


Products in the top-left offer the best value (high score, low price).

Professional reviewers view the MB8600 as a solid, no-frills DOCSIS 3.1 modem that excels in raw speed potential and low-latency performance thanks to its Broadcom chipset and AQM.
Consumers generally praise the MB8600 for delivering consistent gigabit-class speeds and an easy setup with major ISPs. Common praise centers on its stability and the ability to handle multiple static IPs, while recurring complaints focus on the hidden Ethernet ports, occasional distance-related speed loss, and the need for an external router due to the absence of Wi-Fi.

Independent professional reviews were not found in the research; manufacturer and ISP documentation emphasize the gateway’s best‑in‑class 4x4 5 GHz 802.11ac performance, extensive wired connectivity, and seamless integration with AT&T triple‑play bundles.
No direct consumer reviews were located. Documentation notes that setup is straightforward—Ethernet LEDs confirm connections—and that remote management enables parental controls, but no specific praise or complaints from everyday users were captured.
“"valuable" frill-free DOCSIS 3.1 modem ideal for 1 Gbps plans”

“"Reliable high speeds (e.g., 900+ Mbps down at 20 ft in tests, stable for gigabit plans)"”

