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Costco Members: NETGEAR Nighthawk CM1100 DOCSIS 3.1 Cable Modem Expired

$110
$149.99
+ Free Shipping
+71 Deal Score
66,141 Views
Costco Wholesale has for Costco Members: NETGEAR Nighthawk CM1100 DOCSIS 3.1 Cable Modem on sale for $109.99. Shipping is free.

Thanks to Community Member srimank for posting this deal.

Features:
  • Works with Xfinity, Cox, and Spectrum
  • Meets DOCSIS 3.1 specs. and backward compatible with DOCSIS 3.0
  • 2 Gigabit Ethernet ports with link aggregation support
  • Support all cable internet speed tiers up to 2Gps (separate router required for WiFi)
  • This product is not compatible with cable bundled voice services

Editor's Notes & Price Research

Written by
  • About this Deal:
    • $40 manufacturer's savings is valid 11/21/21 through 12/19/21. While supplies last. Limit 3 per member.
Good Deal?

Original Post

Written by
Edited November 21, 2021 at 09:42 PM by
Costco has CM1100 For sale at 109.99. This has two ethernet ports at 1G speed. On xfinity you can only use one at at time.

https://www.costco.com/.product.1290299.html


But technically you cant use more than 1 port which is limited by ISP. But CM1100 supports link aggregation which means you can hook up two ports in a supported router and get 2*1Ghz port

Here are the rest of deals with analysis
CM1000: 1Ghz with single ethernet port (Best Price: 119 on newegg with SPECIALWH promo code. Amazon: 139)
CM1100: 1Ghz with two ethernet port: (Best Price: 109.99 costco, Amazon: 129.0)
CM1200: 1Ghz with four ethernet ports (Best price: 129.99 Newegg with SPECIALWH promo code. Amazon: 149)
CM2000: 2.6Ghz single ethernet port modem (Best price : 179.99 on newegg with SPEICALWH code. amazon: 199)

CAX30 - 1GHz modem with AX2700 wifi inbuilt router (Best price: 199 costco)
CAX80 - 2.5Ghz modem with AX5300 wifi inbuilt (best price 409: newegg, amazon 429)

RAX45: 4.3GBPS wifi router but only supports 1Ghz link between router and modem
Archer11000: TPlink ax11000: (Best Price: 249.99 on costco)

Arris S33: 2.5Ghz ethernet port modem. Expired deal of 149.99 on amazon and bestbuy. But will show up again for BF

Motorola SB8611: 2.5Ghz port. 170 on amazon, 159 on newegg with SPECIALWH code

YMMV: xfinity 900MBPS - $40/month. 600MBPS - $30/month, 1.2GBPS: $70/month

I am going with xfinity 900mbps + CM1100 + RAX45

These are the only combinations that work without any bottleneck. Rest all are future proofing only and doesnt give you any benefit
Best price: xfinity 900MBPS+CAX30 --> Best price but lot of complaints on disconnects with this model ($199.99+$40/month)
Best compromise: xfinity 900MBPS+CM1100+RAX45 --> ($249+$40/month). Future protection with link aggregation
Best BW: xfinity 1.2GBPS+CM2000 or arris S33 or MB8611+AX11000 --> ($400+$70/month)

Buying a 2.5GBPS modem without a router is of no use. So dont spend money on CM2000 or CAX80 or S33 or MB8611 if you dont have a router capable of handling it.


https://www.costco.com/.product.1290299.html
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Deal
Score
+71
66,141 Views
$110
$149.99

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Featured Comments

Used to be on sale $109 couple of years ago, This one is old first gen docsis 3.1 modem. Latest second gen modems more power efficient, much more stable and 2.5 Gb port.
Motorola MB8611
ARRIS Surfboard S33
Netgear CM2000
i agree... read my original post for other deals on it. i think we will be on docsis4.0 soon

Here are the rest of deals with analysis
CM1000: 1Ghz with single ethernet port (Best Price: 119 on newegg with SPECIALWH promo code. Amazon: 139)
CM1100: 1Ghz with two ethernet port: (Best Price: 109.99 costco, Amazon: 129.0)
CM1200: 1Ghz with four ethernet ports (Best price: 129.99 Newegg with SPECIALWH promo code. Amazon: 149)
CM2000: 2.6Ghz single ethernet port modem (Best price : 179.99 on newegg with SPEICALWH code. amazon: 199)

CAX30 - 1GHz modem with AX2700 wifi inbuilt router (Best price: 199 costco)
CAX80 - 2.5Ghz modem with AX5300 wifi inbuilt (best price 409: newegg, amazon 429)

RAX45: 4.3GBPS wifi router but only supports 1Ghz link between router and modem
Archer11000: TPlink ax11000: (Best Price: 249.99 on costco)

Arris S33: 2.5Ghz ethernet port modem. Expired deal of 149.99 on amazon and bestbuy. But will show up again for BF

Motorola SB8611: 2.5Ghz port. 170 on amazon, 159 on newegg with SPECIALWH code

YMMV: xfinity 900MBPS - $40/month. 600MBPS - $30/month, 1.2GBPS: $70/month

I am going with xfinity 900mbps + CM1100 + RAX45

These are the only combinations that work without any bottleneck. Rest all are future proofing only and doesnt give you any benefit
Best price: xfinity 900MBPS+CAX30 --> Best price but lot of complaints on disconnects with this model ($199.99+$40/month)
Best compromise: xfinity 900MBPS+CM1100+RAX45 --> ($249+$40/month). Future protection with link aggregation
Best BW: xfinity 1.2GBPS+CM2000 or arris S33 or MB8611+AX11000 --> ($400+$70/month)

Buying a 2.5GBPS modem without a router is of no use. So dont spend money on CM2000 or CAX80 or S33 or MB8611 if you dont have a router capable of handling it.
This item is NOT a wifi router. It is indeed a modem

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Joined Mar 2007
L7: Teacher
> bubble2 2,395 Posts
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bgammill
11-21-2021 at 09:40 PM.
11-21-2021 at 09:40 PM.
support for a voice line?
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Joined Aug 2017
L2: Beginner
> bubble2 75 Posts
32 Reputation
Torvotjosh
11-21-2021 at 09:47 PM.
11-21-2021 at 09:47 PM.
I believe It is possible to do link aggregation(lacp) with this modem.

Link aggregation = bonding two Ethernet ports, connect two Ethernet wires and aggregate the bandwidth to get 2gbps theoretically.
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Joined Nov 2015
L6: Expert
> bubble2 1,044 Posts
168 Reputation
fishbomb
11-21-2021 at 09:51 PM.
11-21-2021 at 09:51 PM.
Ghz speeds? My eyes are bleeding.
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Joined Jan 2015
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> bubble2 16 Posts
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turbo2pointo
11-21-2021 at 09:56 PM.
11-21-2021 at 09:56 PM.
What is "1Ghz with single ethernet port"?

Did you mean 1Gbs?
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Joined Jul 2013
L3: Novice
> bubble2 108 Posts
17 Reputation
Afeldman1
11-21-2021 at 09:57 PM.
11-21-2021 at 09:57 PM.
Quote from bgammill :
support for a voice line?

From the product page linked: "This product is not compatible with cable bundled voice services"
>
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Joined Sep 2016
Penguinbro
> bubble2 5,359 Posts
762 Reputation
anonymous2929239
11-21-2021 at 10:02 PM.

Our community has rated this post as helpful. If you agree, why not thank anonymous2929239

11-21-2021 at 10:02 PM.
Used to be 99 on sale 2 months ago I got it

Inflation
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Joined Mar 2012
L5: Journeyman
> bubble2 573 Posts
133 Reputation
EricP28
11-21-2021 at 10:07 PM.
11-21-2021 at 10:07 PM.
Quote from bgammill :
support for a voice line?
Not for a voice line from your cable provider but there are countless VOIP products out there that will work just fine. I've been using a Magic Jack module and service for several years on a Spectrum cable connection.
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Joined Nov 2018
L4: Apprentice
> bubble2 347 Posts
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GregryS
11-21-2021 at 10:13 PM.
11-21-2021 at 10:13 PM.
Quote from Afeldman1 :
From the product page linked: "This product is not compatible with cable bundled voice services"

Yes...buy an Ooma😊
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Joined Nov 2018
L4: Apprentice
> bubble2 347 Posts
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GregryS
11-21-2021 at 10:15 PM.
11-21-2021 at 10:15 PM.
Quote from DealmasyerX :
I just bought surfboard.

What..an 8200? Stay on the Broadcom based modems....Hopefully no Puma 6.
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Joined Nov 2018
L4: Apprentice
> bubble2 347 Posts
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GregryS
11-21-2021 at 10:18 PM.
11-21-2021 at 10:18 PM.
Quote from GregryS :
What..an 8200? Stay on the Broadcom based modems....Hopefully no Puma 6.

And the cheap bastards can't even put a power button on the S33...Pass
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