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mcbsys
SCSI Port
Posts: 54
Registered: ‎07-14-2014
Location: US
Views: 1,822
Message 1 of 6

Add second NIC to M910 SFF or Tiny?

Is there a recommended / supported wired NIC for the M910s (SFF)?

 

What about adding a second wired NIC to an M910q (Tiny)?

 

Thanks,

SeniorGuru
Posts: 2,320
Registered: ‎06-13-2013
Location: US
Views: 1,798
Message 2 of 6

Re: Add second NIC to M910 SFF or Tiny?

The M910s case is VERY small.  Much smaller (by 4" in the dimension which affects maximum length of an expansion card you can install) than previous SFF cases from Lenovo So be careful what you buy, as the length of any expansion card (low-profile) is going to be critical here.

 

The PSREF shows maximum length card of 150mm (5.9") and maximum height card of 68mm (2.67").

 

I would suggest a low-profile PCIe x1 StarTech gigabit NIC or Realtek gigabit NIC card, which both appear to be able to fit.  I have good faith in StarTech products of all types.

 

The size limitation of the M910s case is severe, especially for the x16 slot which makes it impossible to install most modern discrete graphics cards with any decent power.  I had to return my M910s SFF for an M910t tower because I wanted to install an nVidia GTX 1050ti card and couldn't do it in the M910s.

mcbsys
SCSI Port
Posts: 54
Registered: ‎07-14-2014
Location: US
Views: 1,793
Message 3 of 6

Re: Add second NIC to M910 SFF or Tiny?

Thanks very much for pointing out the new M910s space restrictions and researching some options. I also have good experience with StarTech products and (not a given!) support.

 

I have my eye on the Intel desktop NIC which is 4.7" long by 2.2" high so hopefully a fit.

 

I'd really prefer a Tiny (for use as a PBX "appliance") but unless there is some miniature wired NIC plug-on, I guess I'm out of luck on that. Hard to find a dual-NIC miniPC with vPro.

Lenovo Support Partner
Posts: 451
Registered: ‎07-16-2013
Location: SI
Views: 1,787
Message 4 of 6

Re: Add second NIC to M910 SFF or Tiny?

You can order 4-port NIC (i350-T4) in M920x or M920q Tiny ...

https://psref.lenovo.com/Product/ThinkCentre/ThinkCentre_M920_Tiny

For M910s, you can use BN8E88 NIC that lenovo is using. They pop up on ebay or such sites from time to time or you can order it as spare part. We are also using these:
https://www.delock.com/produkte/1135_LAN/89346/merkmale.html

Not sure if they are available under Delock brand in USA, however it is pretty generic Realtek NIC. 1-port version is really short:
https://www.delock.com/produkte/1135_LAN/89357/merkmale.html

I think these same NICs might be available under different brand in US ...
***

Disclaimer: I am not Lenovo employee. While I do work for Lenovo Partner, all my contributions are my personal, non-official and not that of Lenovo or my employer.


mcbsys
SCSI Port
Posts: 54
Registered: ‎07-14-2014
Location: US
Views: 1,773
Message 5 of 6

Re: Add second NIC to M910 SFF or Tiny?

Good find on the BN8E88, apparently p/n 00FC879. This Australian page indicates it's also compatible with at least one 910 Tiny:

 

https://store.emprgroup.com.au/p-442390-00fc879.aspx

 

Interesting that the 920 TIny will support an i350-T4, which looks like a pretty big card. It's unclear to me when the 920's will ship--current US TopSeller Guide does not list them. For this use case, a 4-port server card would be an expensive overkill.

 

Anyway, good to know that there are options!

Lenovo Support Partner
Posts: 451
Registered: ‎07-16-2013
Location: SI
Views: 1,745
Message 6 of 6

Re: Add second NIC to M910 SFF or Tiny?

I dont think u can use ANY PCI-e card in M910q Tiny. Maybe in M910x, but even there not sure and not supported.

BN8E88 in M920q maybe - however only i350-T4 is supported.
M920q is already shipping in USA, check various resellers. Lenovo website is kind of screwed (again). Maybe Lenovo doesn't have a stock at a moment, but resellers do have
***

Disclaimer: I am not Lenovo employee. While I do work for Lenovo Partner, all my contributions are my personal, non-official and not that of Lenovo or my employer.


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