Arris Surfboard S33 DOCSIS 3.1 Cable Modem vs Nighthawk CM2000

Arris releases a new product – Surfboard S33 DOCSIS 3.1 cable modem. How good is it compared with Netgear Nighthawk CM2000?

For online gamers, what they have in mind is the high speed of the internet connection and the game console connection to the wifi router solidly without interference from other device connections that may hog the bandwidth and contribute network latency.

For that’s why, make sure that you are using a high speed cable modem and also a high bandwidth internet service plan from your cable provider. Arris as the main vendor of modem devices has now released the Surfboard S33 cable modem.

Surfboard S33

Arris released the Surfboard S33 which is the high speed DOCSIS 3.1 cable modem series following its competitor Nighthawk CM2000 DOCSIS 3.1 cable modem released by Netgear. Both are high speed DOCSIS 3.1 cable modems that need to be used for high bandwidth requirements of your internet service plan up to 2.5Gbps.

So if you demand high bandwidth internet plan, of course you need high speed DOCSIS 3.1 cable modem which you can now get from Arris Surfboard S33 and also by its competitor Nighthawk CM2000.

Surfboard S33 DOCSIS 3.1
Surfboard S33 DOCSIS 3.1

Stylist model

Surfboard s33 is designed with a beautiful model, body curves without any sharp corners, but with smooth curves as well as vents for air circulation on the upper side of the body and the lower left and right sides with deep grooves so that it looks more artistic.

You may compare with its competitors from Netgear, the Nighthawk cm2000 which is designed with solid and sturdy body, not showing the graceful curves as offered by S33.

Multi Gigabit Ethernet port

Today you can find lots of wifi-6 router equipped with multi-gigabit Ethernet WAN port that can take advantage of this multi-gigabit Ethernet port of this DOCSIS 3.1 cable modem such as TP-Link Archer ax11000 which is equipped with 1×2.5Gbps WAN port.

Arris Surfboard S33 DOCSIS 3.1 Cable Modem
Arris Surfboard S33 DOCSIS 3.1 Cable Modem

Like Nighthawk CM2000, Arris Surfboard S33 is equipped with 1x 2.5Gbps Ethernet port. However, the S33 is also equipped with an additional 1x Gigabit Ethernet port that you can use as a separate network; you can use it to connect to other wifi-6 routers with gigabit WAN port such as Asus rt-ax55 ax1800 router.


  • High speed DOCSIS 3.1 cable modem for high speed Internet up to 2.5Gbps
  • 1x Multi gigabit 2.5Gbps for new high speed Multi gigabit Wifi router and 1x Gigabit Ethernet port for separate second network
  • 2×2 OFDM DOCSIS 3.1 channels and 32 x 8 channels bounded DOCSIS 3.0
  • Compatible with major US cable providers including Cox, Spectrum, Xfinity and still more.
  • Modern and stylist style looks nice in your room

This Arris Surfboard S33 DOCSIS 3.1 cable modem is tagged around $170 in Amazon, you may compare with its competing product Nighthawk CM2000 which is tagged with higher price around $350 in Amazon. You may also like other DOCSIS 3.1 Surfboard series that comes with AC3200 wifi-5 router, click here Surfboard Sbg8300 vs Nighthawk X4s.

Surfboard S33 vs Nighthawk CM2000

The Arris Surfboard S33 is tagged with much cheaper price than its competitor Nighthawk CM2000. Meanwhile, technically these two products are the same, even Surfboard S33 has the added advantage of an Ethernet port (two Ethernet ports) compared to CM2000 which is only one Ethernet port.

Nighthawk CM2000 DOCSIS 3.1 cable modem
Nighthawk CM2000

Ethernet Port

See that the Surfboard S33 is equipped with two Ethernet ports to create two different networks. If you have two different wifi routers you can create two different wifi networks. A premium wifi-6 router equipped with multi-Gigabit WAN port can take advantage of 2.5Gbps multi-Gigabit Ethernet port such as TP-link Archer ax11000 wifi-6 gaming router.

Take a look at table 1 below which shows technically a comparison table between Arris Surfboard s33 and Netgear Nighthawk cm2000.

Table 1 Surfboard s33 vs Nighthawk

ModelArris Surfboard S33Netgear Nighthawk CM2000
Cable modemDOCSIS 3.1 cable modemDOCSIS 3.1 cable modem
Speed2×2 OFDM DOCSIS 3.1 up to 2.5Gbps and 32×8 channel bonding DOCSIS 3.0 up to 1Gbps 2×2 OFDM DOCSIS 3.1 up to 2.5Gbps and 32×8 channel bonding DOCSIS 3.0 up to 1Gbps 
Ethernet ports1x 2.5Gbps high speed Internet port 1x Gigabit Ethernet port 1x 2.5Gbps
Price in Amazon (Feb 2021)$170.00$350.00

With a fairly large price difference between the two products, of course Arris Surfboard s33 will become the main choice with cheaper price and the advantage of an additional Ethernet Gigabit port to create a separate network.

Click the product links below to shop the product in Amazon (#ads).

Click here to SHOP Surfboard S33 DOCSIS 3.1 cable modem

Click here to SHOP Nighthawk CM2000

Related products

With high speed cable modem up to 2.5Gbps, you may deploy to support your business offices wireless access point such as Ubiquiti Unifi 6 Lite and LR access point products, or other vendor such as TP-link with its Omada eap660 HD wifi-6 AP series or the lower model Omada eap265 HD series.

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