Chelsio T320 dual SFP+ & 2 transceivers - 32 $

Discussion in 'Great Deals' started by I_D, Sep 3, 2017.

  1. I_D

    I_D Member

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    [edit 10/05 - new link] US: Chelsio 10GB 2-Ports PCI-e Opt Card (LP Bracket) PCI-E w/Transcivers 110-1088-30 | eBay
    same card, with 2 transceivers and both brackets for 32 dollars.

    [edit 10/05 - new link] EU: Chelsio CC2-N320E-SR 10GB 2-Ports Network card PCI-E 110-1088-30 High Profile
    same card, high profile bracket, no extras 30 euro free shipping worldwide.

    >Here< is what I think is the spec sheet of this card (correct me if I am wrong).
    I have 2 of the Finisar SFP+ transceivers and can confirm they work well with this card
    Have tested with pfsense, freenas, w7, w10, w2016 and esxi 5.5, no issues encountered.
    For people looking to use these under Windows 7 / 10, the driver is a bit harder to find:
    -> Chelsio Communications, Inc. Software EULA <-


    Important: Keep in mind that the cards tend to get hotter than the Mellanox cards, so you may need some airflow on them.
    [​IMG]
    This is a better deal than what I paid for them back in the day.
    The guy is also accepting offers, if you get one accepted, post the price here for others to see! :)

    P.S: I am still looking for some high profile brackets for these cards.
    If anyone buys these and wants to sell me some high profile brackets, let me know and I would appreciate it! :D


     
    #1
    Last edited: Oct 10, 2017
  2. AFisher

    AFisher Member

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    if you have a switch that supports it, can you port bind these? as in LACP? I'm new to fiber, and 10G so please excuse my ignorance!
     
    #2
  3. I_D

    I_D Member

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    I have not tried it, but I do not see why it would not?

    edit: Googled around a bit, if I am correct in assuming that >this< is the correct spec sheet for it, then yes, 802.3ad is supported.

    I've put the link to the sheet in the OP, and will keep it updated if anyone else has any useful info on this item and/or the sale.
    If this sale dries up, I will find another good one, as this is imo the cheapest way to get into dual SFP+ networking cards.
     
    #3
    Last edited: Sep 3, 2017
  4. Tritnaha

    Tritnaha Member

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    AKA 320E-LP-CR. Do note that these generate quiet a lot of heat and draw like 15-20W
     
    #4
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  5. AFisher

    AFisher Member

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    Seller accepted 20$ for 1
     
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  6. HorizonXP

    HorizonXP Member

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    Seller accepted $20 for 5. So I bet I could have done maybe $17.50?
     
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  7. BLinux

    BLinux cat lover server enthusiast

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    darn... i got 4 for $25 each.
     
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  8. David Laemle

    David Laemle New Member

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    Seller auto declined 3 pieces at 22$ each. Pending an offer at 23$ each
     
    #8
  9. Kneelbeforezod

    Kneelbeforezod Active Member

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    How are these better/different compared to the Mellanox ConnectX2s?
     
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  10. BackupProphet

    BackupProphet Well-Known Member

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    The biggest difference is that they draw a lot more power. In my opinion, not worth it over ConnectX2
     
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  11. i386

    i386 Well-Known Member

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    Chelsio drivers were shipped with most bsd systems, so that you could use the nic "out-of-the-box". For connect-x nics you had to download the driver packages from the Mellanox website (for bsd) or enable the mlnx4 driver in linux kernels.
     
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  12. Kneelbeforezod

    Kneelbeforezod Active Member

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  13. BackupProphet

    BackupProphet Well-Known Member

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    Actually both the Chelsio and Mellanox driver are included in the FreeBSD source, you just have to compile them and load them as kernel modules. None of them work by default unless the kernel is compiled with them enabled. No need for downloading.

    For Chelsio you find the driver at /usr/src/sys/modules/cxgb
    For Mellanox /usr/src/sys/modules/mlx4
     
    #12
  14. BLinux

    BLinux cat lover server enthusiast

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    So, trying to find some facts about power consumption here...

    Based on this: https://www.mellanox.com/related-docs/user_manuals/ConnectX-2_EN_user_manual.pdf

    page 35: MNPH29C-X[ST]R has typical power consumption of 6.43W w/ passive cables, 7.83W with active cables. Maximum power consumption is 7.08W with passive cables, 8.48W with active cables.

    I can't find any information about the Chelsio T320 mentioned in the OP. But searching based on the description, (things like SKU, PCI-E 3.0 interface), I keep getting referred to T520-CR??? The specifications on the T520-CR:

    https://www.chelsio.com/wp-content/uploads/2013/10/T520-CR-PB.pdf

    mentions: Typical power consumption: 12W

    strangely, netgate also mentions the T520-CR, but with a different power consumption:

    Chelsio T520-CR Dual port 10 GbE Ethernet Adapter

    they claim: "Typical power consumption: 9W"

    Anyway... not sure about the specs on the Chelsio as I'm not sure what card is being sold in the OP's ebay listing. If it is the T520-CR, I think I trust chelsio's documentation over netgate. Making all those assumptions about what we're talking about here, the comparison would be 6.43~7.83W for Mellanox vs 12W for Chelsio. So, definitely more power consumption with the Chelsio, but the difference is at most 5.57W ? Relative to total power consumption of a system, I think it's a minor consideration (you would save more power turning off the BMC on your motherboard than using a Mellanox vs Chelsio 10Gb dual port NIC)
     
    #13
  15. trumee

    trumee Member

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    I couldn't get the ConnectX-2 to work reliably with vlan and LACP in FreeBSD (ES-16-XG switch) . Replaced it with Solarflare SFC9020 which worked fine.
     
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  16. epicurean

    epicurean Active Member

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    Would you happen to have the necessary compiled drivers/kernal modules for the Chelsio for Pfsense? It would help me tremendously.
     
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  17. foxxiu7

    foxxiu7 New Member

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    Does this card support SRIOV and RDMA (esp. for HyperV 2016)?

    Sent from my SM-G950F using Tapatalk
     
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  18. Tritnaha

    Tritnaha Member

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    Yes and yes.
     
    #17
  19. Craash

    Craash Active Member

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    In for one at $22.
     
    #18
  20. frogtech

    frogtech Well-Known Member

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    The RDMA is implemented via iWARP. Not sure if this matters?
     
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  21. BLinux

    BLinux cat lover server enthusiast

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    #20
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