
Netgear
Get notified when the price drops. Track this product on BigBangPrice, our price tracking partner.
The NETGEAR CM400 is an entry‑level DOCSIS 3.0 cable modem offering up to 340 Mbps download and 122 Mbps upload via 8x4 channel bonding, a single Gigabit Ethernet port, and broad compatibility with major US cable providers.
Pros
Current
$64.99
Average
$57.67
Lowest
$17.96
Highest
$69.97
Lower = better sales rank
Please sign in to leave a review
No reviews yet. Be the first to review!
Cons
From Expert Reviews
Praised by Experts
Criticized by Experts
From User Reviews
Users Love
Users Complain About
Expert Opinion
Professional reviewers position the CM400 as a solid, budget‑friendly DOCSIS 3.0 modem that excels in simplicity, provider compatibility, and value, but they caution that its 340 Mbps ceiling and lack of Wi‑Fi make it less suitable for future‑proof or high‑speed deployments.
What Users Say
Everyday users appreciate the easy setup, reliable wired performance, and the savings from dropping ISP rental fees, while recurring concerns focus on the absence of Wi‑Fi, the outdated DOCSIS 3.0 standard, and occasional quality issues with refurbished units.
Common Complaints
Limited DOCSIS 3.0 throughput, no built‑in Wi‑Fi, spec inconsistencies (memory/weight), and occasional refurbished unit quality issues.
How It Compares
vs. NETGEAR CM600
Advantages
Disadvantages
Choose the CM600 for 300 Mbps+ plans or when future‑proofing is a priority; stick with the CM400 for basic 100 Mbps setups and tighter budgets.
vs. ARRIS SURFboard SB6183
Advantages
Disadvantages
The SB6183 is a good mid‑tier alternative for users needing up to 400 Mbps, whereas the CM400 remains the most cost‑effective option for sub‑100 Mbps plans.