Neither ARRIS SURFboard SBG6580 nor CenturyLink Zyxel C1100Z were recommended by experts this month
On 2 Apr 2024 (17 days ago) we went through 60 Modem expert endorsements , however neither ARRIS SURFboard SBG6580 nor CenturyLink Zyxel C1100Z were included in any of those recommendations. Since neither Modem received a single endorsement, as far as expert recommendations go, it's technically a tie. We do, however, recommend taking a look at Arris Surfboard S33 or other critically acclaimed Modems of this month.
For reference, Arris Surfboard S33 received 6 endorsements this month, from Popular Mechanics (20 Oct 2023), Wirecutter (27 Mar 2024) Lifewire (26 Feb 2024) and 3 others.
| Rank | Change | Price | Modem | Popular Mechanics  | Wirecutter  | Lifewire  | approvedmodems.org  | HighSpeedInternet  | BestReviews  | Networks Hardware  | Tom's Guide  | PC Guide  | The Strategist  |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | +1 | $180 |  Arris Surfboard S33 The Arris Surfboard S33 is a high-speed cable modem with combined download speeds up to 3.5 Gbps, 32 downstream x 8 upstream DOCSIS 3.0 bonded channels, and two Ethernet ports, making it ideal for users who require fast and reliable internet connectivity for gaming, streaming, and other data-intensive activities. | 2 | 1 | 4 | 2 | - | - | - | 1 | 4 | - |
| N/A | N/A | $70 |  ARRIS SURFboard SBG6580 The ARRIS SURFboard SBG6580 is a two-in-one DOCSIS 3.0 Cable Modem + N300 WiFi Router with a download speed of up to 343 Mbps, suitable for users with high internet usage needs, but with a mixed track record for reliability and inconsistent customer support. | - | - | - | - | - | - | - | - | - | - |
| N/A | N/A | $140 |  CenturyLink Zyxel C1100Z The CenturyLink Zyxel C1100Z modem is a reliable and compatible modem for CenturyLink internet service users, offering high-speed internet, built-in Wi-Fi, parental controls, and a user-friendly interface, making it ideal for individuals or small businesses who require a reliable internet connection and basic modem features. | - | - | - | - | - | - | - | - | - |
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Curious to see this month's entire Modems ranking? It's here
ARRIS SURFboard SBG6580 
CenturyLink Zyxel C1100Z Customers like CenturyLink Zyxel C1100Z noticeably more
At ReviewFinder we prefer to focus on professional product reviews, because customer reviews can be disproportionately affected by unrelated factors such as delivery, specific seller listing problems, and, of course, fake reviews. With that said, below is the summary of consumer sentiment.
CenturyLink Zyxel C1100Z
CS of 10 is similar to a 4.8 star review, CS of 0 is similar to a 2 star review.
CenturyLink Zyxel C1100Z, the pricier option, tends to get more favorable reviews than ARRIS SURFboard SBG6580.
As can be seen in the chart above, median best-selling modem receives a consumer score of 7.4 (good). Both ARRIS SURFboard SBG6580 and CenturyLink Zyxel C1100Z receive customer reviews that average out below that median threshold.
| ARRIS SURFboard SBG6580 | |
| CenturyLink Zyxel C1100Z |
6.5 Average
|
| Median best-selling Modem |
ARRIS SURFboard SBG6580 is more popular than CenturyLink Zyxel C1100Z
It's fairly safe to say that ARRIS SURFboard SBG6580 is a more popular modem than CenturyLink Zyxel C1100Z, based on its 6,000+ reviews. Popularity is determined based on product sales. Note that older and cheaper products tend to sell more.
To consider
| Table: Top compared alternatives for ARRIS SURFboard SBG6580 and CenturyLink Zyxel C1100Z | |||||
|---|---|---|---|---|---|
 | Motorola MB8600 | $150 |
In comparison:
 8.3 Great
| 2 expert recommendations | More Popular Better Reviews |
 | Arris SURFboard SB8200 | $129 |
In comparison:
Arris SURFboard SB8200 ranks #17 out of 97. Very high levels of customer satisfaction. Go to rankings 8.3 Great
| 6 expert recommendations | More Popular Better Reviews |
 | Netgear CM1000 | $167 |
In comparison:
8.6 Great
| 4 expert recommendations | More Popular Better Reviews |
| Rank | Change | Price | Modem | Popular Mechanics | Wirecutter | Lifewire | approvedmodems.org | HighSpeedInternet | BestReviews | Networks Hardware |
Tom's Guide | PC Guide | The Strategist |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | +1 | $180 | Arris Surfboard S33 The Arris Surfboard S33 is a high-speed cable modem with combined download speeds up to 3.5 Gbps, 32 downstream x 8 upstream DOCSIS 3.0 bonded channels, and two Ethernet ports, making it ideal for users who require fast and reliable internet connectivity for gaming, streaming, and other data-intensive activities. | 2 | 1 | 4 | 2 | - | - | - | 1 | 4 | - |
| 2 | -1 | $300 |  Netgear Nighthawk CM2000 The Netgear Nighthawk CM2000 is a high-speed cable modem that is compatible with all major cable internet providers, featuring DOCSIS 3.1 technology, 32x8 channel bonding, a powerful 1.5GHz dual-core Broadcom BCM3390 processor, and a 2.5 Gbps ethernet port, making it ideal for online gaming, streaming, and other high-bandwidth activities. | 5 | - | 2 | - | 3
| - | 2 | - | 1 | - |
| 3 | +1 | $129 |  Arris SURFboard SB8200 The Arris SURFboard SB8200 is a high-performance cable modem that delivers fast and stable internet speeds of up to 2 Gbps, making it ideal for activities such as online gaming, streaming 4K video, or downloading large files, but requires a separate wireless router for Wi-Fi capability. | - | - | 5 | 7 | 2 | 3 | 5 | - | - | 9 |
| 4 | +1 | $167 |  Netgear CM1000 The Netgear CM1000 modem is a high-performance device that supports fast and reliable internet connectivity for multiple users and is compatible with major cable internet providers. | - | - | - | 5 | - | 4 | - | - | 3 | 1 |
| Show all rows | |||||||||||||
Expert reviews [6]
- with a score: 0
- without a score: 6
Expert reviews [3]
- with a score: 0
- without a score: 3
- Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more. Requires Cable Internet Service
- Not compatible with: Verizon, AT&T, or CenturyLink. 802.11n Wi-Fi. Wi-Fi speeds up to 300 Mbps per band. DOCSIS speeds up to 343 Mbps
- Read more
- Power cord included
- Phone cord included
- Read more
ARRIS SURFboard SBG6580 is a very popular and one of the more expensive options. It's in the top 3 bestselling modems and has dozens of popular alternatives in the same price range, such as Linksys CM3024 or TP-Link Archer C5 .
ARRIS SURFboard SBG6580 is $45.04 more expensive than an average modem ($99).
CenturyLink Zyxel C1100Z is a well-known option on the higher end of the price range. It's in the top 3 bestselling modems and has dozens of popular alternatives in the same price range, such as Netgear Nighthawk R6900P AC1900 or Arris SBG7400AC2 .
CenturyLink Zyxel C1100Z is $40.99 more expensive than the average modem ($99).
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