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Costco Members: Netgear Nighthawk CM1100 DOCSIS 3.1 Cable Modem Expired

$120
$149.99
+ Free Shipping
+129 Deal Score
122,610 Views
Costco has for its Members: Netgear Nighthawk CM1100 DOCSIS 3.1 Cable Modem on sale for $119.99. Shipping is free. Thanks bng87

Note, must login to your account w/ an active Costco Membership to view sale price.

Editor's Notes & Price Research

Written by
Works w/ Xfinity, Cox and Spectrum. DOCSIS 3.1 specs and backward compatible w/ DOCSIS 3.0. Product is not compatible w/ cable bundled voice services. Offer valid through 4/27/20 or while supplies last.

Original Post

Written by
Edited April 3, 2020 at 10:38 AM by
Netgear Nighthawk CM1100 DOCSIS 3.1 Cable Modem [costco.com] [costco.com]
★★★★★4.7 out of 5 stars

[Previous SALE thread]

Your Price: $119.99 Valid (3/30 - 4/27)
Shipping & Handling: $0.00*

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


Store: Costco Wholesale
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Deal
Score
+129
122,610 Views
$120
$149.99

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Featured Comments

It's the cheapest you can get a brand new D3.1 modem for currently. Most of the 3.1 modems all use the same chip, the BCM3390. Differences are just the PCB, casing, amount of ethernet ports (for link aggregation), etc. Just make sure your ISP supports it, most of the larger ones do, it's just the smaller ISP's that may not support it.

IIRC, the most direct comparison is the SB8200. Both have two ports that support link aggregation (if your router or computer supports it, many routers don't). SB8200 runs a tad bit hotter, but enjoys much wider support among ISPs. SB8200 also has 3gb of RAM, while the 1100 has 256mb (not that it really matters TBH).
256M and 3GB are very different. I wonder if it really doesn't matter. Why would Arris use 3GB if it really doesn't matter? Just some reasonable suspicion. I don't know shit about how these modems work.
Costco does Price Adjust their sales if new sale price shows up in 30 days.
If they balk, just buy a new one and return on the old receipt.

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Joined May 2010
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> bubble2 1,537 Posts
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cndealking
03-30-2020 at 12:09 PM.
03-30-2020 at 12:09 PM.
Is it a good deal?
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asn
> bubble2 14 Posts
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asn1981
03-30-2020 at 12:14 PM.
03-30-2020 at 12:14 PM.
Does it work with Optimum?
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Joined Mar 2017
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> bubble2 184 Posts
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Thegoodslit
03-30-2020 at 12:17 PM.
03-30-2020 at 12:17 PM.
I bought this last time it was on sale. I love it. Getting about 600mb down on a 550mb plan
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> bubble2 18 Posts
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allstar319
03-30-2020 at 12:22 PM.
03-30-2020 at 12:22 PM.
Quote from cndealking :
Is it a good deal?
It's the cheapest you can get a brand new D3.1 modem for currently. Most of the 3.1 modems all use the same chip, the BCM3390. Differences are just the PCB, casing, amount of ethernet ports (for link aggregation), etc. Just make sure your ISP supports it, most of the larger ones do, it's just the smaller ISP's that may not support it.

IIRC, the most direct comparison is the SB8200. Both have two ports that support link aggregation (if your router or computer supports it, many routers don't). SB8200 runs a tad bit hotter, but enjoys much wider support among ISPs. SB8200 also has 3gb of RAM, while the 1100 has 256mb (not that it really matters TBH).
9
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Joined May 2010
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> bubble2 1,537 Posts
190 Reputation
cndealking
03-30-2020 at 12:25 PM.
03-30-2020 at 12:25 PM.
Quote from allstar319 :
It's the cheapest you can get a brand new D3.1 modem for currently. Most of the 3.1 modems all use the same chip, the BCM3390. Differences are just the PCB, casing, amount of ethernet ports (for link aggregation), etc. Just make sure your ISP supports it, most of the larger ones do, it's just the smaller ISP's that may not support it.

IIRC, the most direct comparison is the SB8200. Both have two ports that support link aggregation (if your router or computer supports it, many routers don't). SB8200 runs a tad bit hotter, but enjoys much wider support among ISPs. SB8200 also has 3gb of RAM, while the 1100 has 256mb (not that it really matters TBH).

256M and 3GB are very different. I wonder if it really doesn't matter. Why would Arris use 3GB if it really doesn't matter? Just some reasonable suspicion. I don't know shit about how these modems work.
8
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Joined Jan 2011
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> bubble2 1,448 Posts
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tiGGG
03-30-2020 at 12:32 PM.
03-30-2020 at 12:32 PM.
Bought this last time it was on sale. Currently no issue with Xfinity on their gig speed. About 900+mbps down and 35mbps up.
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Joined Aug 2017
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> bubble2 677 Posts
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Steelers1986
03-30-2020 at 12:37 PM.
03-30-2020 at 12:37 PM.
I've had this modem for a year or so, bought it from Costco. Works good with my Comcast Xfinity 1Gbps plan. No issues with it so far.
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Joined Dec 2008
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> bubble2 363 Posts
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thenew3
03-30-2020 at 12:48 PM.
03-30-2020 at 12:48 PM.
This is a good deal. Used ones are selling for $90-$110 on ebay.

I ordered one last week at $150, did chat with costco this morning and they are refunding the difference.
Should be delivered tomorrow.
With everyone working from home and kids at home, my old modem is starting to show it's age and rebooting often. (7 year old 16x4 modem).

Going to upgrade service from 300mb to gig tomorrow after I get the modem.
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> bubble2 6 Posts
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ritesh11
03-30-2020 at 12:49 PM.
03-30-2020 at 12:49 PM.
Quote from tiGGG :
Bought this last time it was on sale. Currently no issue with Xfinity on their gig speed. About 900+mbps down and 35mbps up.

How much was it last time same price ?
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Joined Jan 2011
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> bubble2 1,448 Posts
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tiGGG
03-30-2020 at 01:00 PM.
03-30-2020 at 01:00 PM.
Quote from ritesh11 :
How much was it last time same price ?
Yes same price $120. I just grabbed it at the store.
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> bubble2 6 Posts
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ritesh11
03-30-2020 at 01:02 PM.
03-30-2020 at 01:02 PM.
Quote from tiGGG :
Yes same price $120. I just grabbed it at the store.

Thnx much
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Joined Apr 2017
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> bubble2 31 Posts
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4tech
03-30-2020 at 01:59 PM.
03-30-2020 at 01:59 PM.
Confirmed that it works on Spectrum gigabit service. However, it is not technically supported by Spectrum so they will not push firmware updates as needed. Netgear relies on the ISP for such updates and does not provide them directly.

On another note, Netgear posted a video on their YT channel regarding the CAX80 which is supported by multiple ISPs (confirmed on Spectrum's website). They mentioned a March-April release date with an MSRP of $429...oof!
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