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Unpractical 10 gigabit curiosity.

Hi!

 

I'm pretty curious whether if in theory this  would work.

Imagine you have a server that has built in dual gigabit. And then you just ram two pcie 4 x gigabit cards into onto there and do some link aggregation with all that mess. Would you, and again, in theory (storage doesn't matter here), be able to get 10 gigabit on your network?

 

Thanks and have a nice day! 

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why not just one 10Gb card?

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that's still only 4x1gigabit

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The basic and simplest answer is no.

 

The real answer is much more complex. Depending on what the server is, the type of link aggregation that you set up and how many clients are connecting, you could, push a total of 10 Gb out. No single client would ever see more than 1 gigabit from the server, regardless of how they themselves are connected to that same switch.

 

You can get 10 Gb network cards on eBay for $15. Don't waste your time. 

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Hi!

 

I'm pretty curious whether if in theory this  would work.

Imagine you have a server that has built in dual gigabit. And then you just ram two pcie 4 x gigabit cards into onto there and do some link aggregation with all that mess. Would you, and again, in theory (storage doesn't matter here), be able to get 10 gigabit on your network?

 

Thanks and have a nice day! 

 

In theory yes, I have done stuff like that but I never get the speeds that I would get on paper.. I have done 2x 4Gbit cards and windows saw it as 8Gbit but I snagged 2 10Gbit cards and an SFP+ cable for them for about $80 and get full reliable 10Gbit to my storage server :P

 

The basic and simplest answer is no.

 

The real answer is much more complex. Depending on what the server is, the type of link aggregation that you set up and how many clients are connecting, you could, push a total of 10 Gb out. No single client would ever see more than 1 gigabit from the server, regardless of how they themselves are connected to that same switch.

 

You can get 10 Gb network cards on eBay for $15. Don't waste your time. 

 

You can't get them for $15 at least when I did my 10 Gbit network I had to pay $40 per card.. 

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In theory yes, I have done stuff like that but I never get the speeds that I would get on paper.. I have done 2x 4Gbit cards and windows saw it as 8Gbit but I snagged 2 10Gbit cards and an SFP+ cable for them for about $80 and get full reliable 10Gbit to my storage server :P

 

 

You can't get them for $15 at least when I did my 10 Gbit network I had to pay $40 per card.. 

Depends on which card and your timing. I got my Mellanox ConnectX 2 when the particular seller had "over 200" available. Purchased two for $30. The going rate at the moment is around $20 per card, but you can get most sellers down to $17-$18 on a best offer if you buy two. That's for Mellanox; I find that Chelsios carry at bout 25%-40% premium. 

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Depends on which card and your timing. I got my Mellanox ConnectX 2 when the particular seller had "over 200" available. Purchased two for $30. The going rate at the moment is around $20 per card, but you can get most sellers down to $17-$18 on a best offer if you buy two. That's for Mellanox; I find that Chelsios carry at bout 25%-40% premium. 

 

I have the same cards lol Bought them for $37 each  :P

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I have the same cards lol Bought them for $37 each  :P

did you get transceivers with them ?

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did you get transceivers with them ?

 

No, just got a SFP+ cable for it and it fit :P Did you?

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Don't feel too bad then. I didn't get transceivers. I picked them up from Fiberstore. Tranceivers were about $15 each and I think it was around $20-$25 for 70 feet of optical cable. another $15 for the SFP+ DAC cable and that's what I'm using to go from my computer to the switch (optical) and the switch to the NAS (DAC).

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dual gigabit on board = 2 ports

(2 x) 4x gigabit card = 8 ports

 

8+2=10

 

Do you even math, bro ?

 

oh, i read it as in 2 PCIE 4x cards as in the picture, lol, nevermind

 

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