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Model: Cisco Network Module for Cisco 3850 Series Switches
Detail: Cisco 3850 Series Network Module C3850-NM-4-1G 4 x 1GE Network Module
List Price: US$510.00
Price: $187.43
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C3850-NM-4-1G SMARTnet Service Tool.

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Overview (C3850-NM-4-1G)

C3850-NM-4-1G is a network module that serve Cisco Catalyst 3850 Series Switches.

Product Details

C3850-NM-4-1G offers 4 slots.


☆ Slot 1, 2, 3, and 4 are populated with 1-Gigabit SFP modules.

Compare Similar Items

Table 1 shows the comparison of 3850 Series network modules.





Slot 1

1-Gigabit SFP module

1-Gigabit SFP module

10-Gigabit SFP module

Slot 2

1-Gigabit SFP module

1-Gigabit SFP module

10-Gigabit SFP module

Slot 3

1-Gigabit SFP module

- 1-Gigabit SFP module
- 10-Gigabit SFP module

10-Gigabit SFP module

Slot 4

1-Gigabit SFP module

- 1-Gigabit SFP module
- 10-Gigabit SFP module
- 10-Gigabit SFP+ module

10-Gigabit SFP module

The Compatibility of Switches

Table 2 shows the switches which support the C3850-NM-4-1G.
























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Specification (C3850-NM-4-1G)

C3850-NM-4-1G Specifications


Cisco 3850 Series Network Module 4 x 1GE Network Module

Designed for

Cisco Catalyst 3850 Series Switches

Slot 1 Supported

1-Gigabit SFP module

Slot 2 Supported

1-Gigabit SFP module

Slot 3 Supported

  • 1-Gigabit SFP module

Slot 4 Supported

  • 1-Gigabit SFP module

Net Weight

0.6 Kg

Package Weight

1.61 Kg


Faq (C3850-NM-4-1G)

Is there any model with all SFP 1G port within Catalyst 3850 series, similar with WS-C3750X-12S-E....

Hello, the best you can do on a 3850 is 4 x 1 Gbps SFPs in the optional C3850-NM-4-1G network module.Besides the 3750X you mentioned, you could also move up to a 4500X which is all SFP-based. That's a much more capable switch though and will take you up a tier in price.

What are the supported uplink modules in the Cisco C3850-NM-4-1G?

The Cisco Catalyst 3850 supports the following uplink modules:

● 4 x 1GE network module

● 2 x 1/10GE network module

● 4 x 1/10GE network module (can be used for the 48-port RJ-45 models and for the 12-port (or higher) 10-gigabit-capable models)

● 8 x 10GE network module (can be used on the 24-port and 48-port multigigabit switch and also on the 24-port 10G SFP+ switch)

● 2 x 40GE network module (can be used on the 24-port and 48-port multigigabit switch and also on the 24-port 10G SFP+ switch)

Are the uplinks between the Cisco Catalyst 3850 and the 3750-X interchangeable?

No, the uplink modules from the 3750-X are not compatible with the Cisco Catalyst 3850.

Can the Cisco Catalyst 3850 act as a wired switch?

The Cisco Catalyst 3850 switch can act as a wired switch as well as a converged wired wireless switch.

Does the Cisco Catalyst 3850 10G SFP+ 48-port switch support uplink modules?

No. It has 4 fixed 40G QSFP ports for uplinks. This is not field-replaceable.

What about service modules for the Cisco Catalyst 3850?

There are no service modules for the Cisco Catalyst 3850. Features supported through the service module in the 3750-X (including Flexible NetFlow and MACsec *) are natively supported by the Cisco Catalyst 3850.

Is there an onboard web GUI on the Cisco Catalyst 3850?

Yes. Onboard web GUI requires Cisco IOS XE Release 3.2.2SE or later.

What management ports are available on the Cisco Catalyst 3850?

The Cisco Catalyst 3850 comes with a 10/100 Ethernet dedicated management port on the backside of the switch right above the console port. This port is in separate VRF called “Mgmt-vrf.” This is to segment the management traffic from the global routing table of the switch.

What is the maximum number of VRFs (Virtual routing and forwarding) that can be configured on a Cisco Catalyst 3850?

Maximum number of VRFs that can be configured on a Cisco Catalyst 3850 is 27.

Can both console ports be used simultaneously?

No. When the USB console is used, the RJ-45 console receives the output of the USB console as well. This design allows the administrator to see when the USB console port is in use. This capability is useful for remote administrators.

Does the switch support auto-baud on the console port?


What type of airflow do the Cisco Catalyst 3850 switches support?

The airflow on the Cisco Catalyst 3850 is “front and sides” to back airflow except for the 48-port 10G SFP+ switch. The 48-port 10G SFP+ switch has support for front-to-back and back-to-front airflow.

Shipping & Payment


Cargo will be delivered within 1 day after payment arrived. Tracking Number will be offered once delivery done.

Delivery OptionsEstimated Delivery Time
DHL 2-4 business days
Fedex 2-4 business days
Hong Kong EMS 5-10 business days
Hong Kong Air Parcel 10-20 business days
By Sea 10-20 business days


Above mentioned information are just for your reference only,we will keep you posted for the tracking delivery schedule.There are two delivery options available for by air and by sea:

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Customer Reviews

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Posted on 11/29/2016
Verified Buyer
Good website design

Like the website. Design quite good.

Posted on 11/28/2016
Verified Buyer
Great shopping experience

Everything good. It's really a very pleasant shopping experience.

Posted on 11/27/2016
Verified Buyer
4 x 1GE Module

Want SFP ports for my current 3850 switch, it's the right one.

Posted on 11/26/2016
Verified Buyer
Good suggestion

Need a WS-C3850-48T-L, and 4 SFP modules, Nancy suggested C3850-NM-4-1G for me.

Posted on 6/18/2016
Verified Buyer
Ship so fast

Got the goods in Miami the next day after order. Super fast.

Posted on 6/16/2016
Verified Buyer
Buen precio

Precio muy, muy mejor. Considerarán 2 unidades para comenzar.

Posted on 6/8/2016
Verified Buyer
Good gift

Just received goods with a T-shirt. Em, like this gift.

Posted on 1/23/2016
Verified Buyer
No question

4 x 1GE Network Module for 3850 switches, can be used for our network.

Posted on 8/10/2014
Verified Buyer

It can work in my 3850 switch without any problems.

Posted on 5/22/2014
Verified Buyer
big discount of Cisco C3850-NM-4-1G price

The model is very sost-effective, good quality, simple set-up and very compatible with the switch. i have been used cisco products. I trust this brand. This cisco supplier offers good service to me. 4 x 1GE Network Module can be used with 3850 switches.

Posted on 5/19/2014
Verified Buyer
cheap C3850-NM-4-1G price

Very good 3850 switch network module. It is suitable for the 3850 switch. I am so pleased. Next time, i will buy this website again. Good supplier, good quality.

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