Head-to-head · Best Standalone DOCSIS 3.1 Cable Modems

Motorola MB8600 vs Netgear CM1000

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Netgear CM1000 comes out ahead by a clear margin (3.0 vs 3.9). The gap is mostly about users replacing older modems seeking reliability and ease of setup — read the strengths below before deciding.

Ranked #4 in Best Standalone DOCSIS 3.1 Cable Modems

Motorola MB8600

3.0

The Motorola MB8600 is a DOCSIS 3.1 cable modem offering up to 6Gbps speeds with a straightforward setup process. Reviewers noted its simple design and reliable performance, though some observed it runs hotter than competitors like the Arris SB8200 due to less effective cooling. It supports WAN Link Aggregation and works with major ISPs including Comcast Xfinity and Cox. This modem is ideal for users upgrading to Gigabit plans but may not suit those seeking premium build quality or minimal heat output.

Strengths

— Capable of DOCSIS 3.1 standard with 6Gbps top WAN speed
— Simple setup process with clear status lights
— Supports WAN Link Aggregation for improved connection

Watch-outs

— Uses less robust cooling design compared to Arris SB8200
— LED status lights can be too bright and require covering

Check Price on Amazon Full review →

Higher ratedRanked #1 in Best Standalone DOCSIS 3.1 Cable Modems

Netgear CM1000

3.9

$195.99as of Jul 7

The Netgear CM1000 is a solid DOCSIS 3.1 cable modem that delivers reliable Gigabit-speed performance for users upgrading from older modems. Reviews consistently praise its ease of setup, durability, and significant speed improvements over previous models like the CM500 and CM600. Customer feedback highlights its compatibility with major ISPs including Comcast Xfinity and strong performance with 1Gbps plans. While some users noted the lack of included coaxial cable and a somewhat flimsy base, the modem is widely recommended for those seeking to replace rented ISP equipment and achieve better internet speeds.

Strengths

— Excellent performance with Gigabit-class internet plans
— Reliable and durable build quality
— Easy setup process with quick activation via ISP

Watch-outs

— Does not come with a coaxial cable
— Base is described as flimsy and modem can topple easily

$195.99 · Check Price on Amazon Full review →

How they stack up

Motorola MB8600

The Motorola MB8600 offers higher WAN speeds up to 6Gbps compared to the Arris SB8200's capped 1Gbps, but it's less reliable in heat management than the Arris SB8200. Unlike the Netgear CM1000, it lacks the build quality and ease of setup, and unlike the Motorola MB8611, it doesn't support 2.5Gbps wired connections.

Netgear CM1000

The Netgear CM1000 excels in build quality and ease of setup compared to the Arris SB8200, which has less durability. However, unlike the Motorola MB8600, it doesn't support WAN Link Aggregation, and unlike the Motorola MB8611, it lacks 2.5Gbps Ethernet capabilities.

Specs side-by-side

Spec	Motorola MB8600	Netgear CM1000
Docsis Version	DOCSIS 3.1, DOCSIS 3.0 32×8	3.1 (3.0 30×8 compatible)
Max Download Speed	6Gbps	1Gbps
Ethernet Ports	1x 1Gbps LAN, 1x Coax	1Gbps LAN, 1x Coax
Downstream Channels	32	32 downstream and 8 upstream channels
Upstream Channels	8 upstream channels	8 upstream channels
Dimensions	7.25 x 2.25 x 7.88 inches	8.8 x 3.4 x 5.9in
Weight	1.15 lbs	.95lb (431g)

← See the full ranking of best standalone docsis 3.1 cable modems