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    2x onboard Intel nics vs. 2x PCI-e Intel nics?

    Scheduled Pinned Locked Moved Hardware
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    • M
      mattr
      last edited by

      @Keljian:

      You can get an i350 t4 for $99 on eBay.

      Funnily enough the t2 cards look more expensive

      That said an older 1000pt dual port card would cost about a third of that

      Speed wise on a home connection you are unlikely to see any major differences

      If you find a T4 on eBay for $99 it's either a Chinese knockoff or it's an AM4. The T4 and the AM4 are not the same card. This is why the T2 is more expensive than the AM4… the T2 is a much better card. The chipset on the T2/T4 costs over $200 from Intel and the chipset on the AM4 costs $40 from Intel. You'd be much better off getting a VT Pro for $60-$80 than getting an AM4 for or Chinese knockoff for $99.

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      • K
        Keljian
        last edited by

        Sorry, the am4 chip is used on the t4 boards as per here:

        http://globalsp.ts.fujitsu.com/dmsp/Publications/public/ds-eth-plan-cp-4x1Gbit-cu-intel-I350-t4.pdf

        The only difference is the board design.

        @mattr:

        @Keljian:

        You can get an i350 t4 for $99 on eBay.

        Funnily enough the t2 cards look more expensive

        That said an older 1000pt dual port card would cost about a third of that

        Speed wise on a home connection you are unlikely to see any major differences

        If you find a T4 on eBay for $99 it's either a Chinese knockoff or it's an AM4. The T4 and the AM4 are not the same card. This is why the T2 is more expensive than the AM4… the T2 is a much better card. The chipset on the T2/T4 costs over $200 from Intel and the chipset on the AM4 costs $40 from Intel. You'd be much better off getting a VT Pro for $60-$80 than getting an AM4 for or Chinese knockoff for $99.

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        • M
          mattr
          last edited by

          Negative. The i350-t4 and i350 AM4 are two different controllers.
          http://ark.intel.com/products/59063/intel-ethernet-server-adapter-i350-t4
          Do you see the AM4 controller mentioned anywhere on this spec sheet? Of course not because they are two different controllers. One costs around $40 and one costs over $200. It's nothing to do with board design. The AM4 is based on the older i340 controller. It's only compatible with PCIe 2.0 interface while the i350 is compatible with PCIe 2.1

          Fujitsu can name a board however they want. Just like the beast ML2 version from IBM. They don't have to follow Intel's naming standards. Their T4 board is a board that uses the AM4 controller while Intel's T4 board uses the i350 T4 controller.

          Intel doesn't make a NIC with the i350 AM4 controller. Which is why you don't see Intel on those Chinese knockoff AM4 NICs and why you don't see Intel brand i350 T4's for those prices.

          Don't get me wrong there is nothing bad about the AM4 boards. There are just much much better options for less money. And people should understand that when buying an AM4 it's not some great deal on an Intel i350-t4 like some people are saying around the internet recently. It's just not the same quality.

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          • K
            Keljian
            last edited by

            I stand corrected - that said, the am4 seems to have the same feature set as the i350 and is lower power than the VT.. for home use it should be more than sufficient.

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            • A
              Aluminum
              last edited by

              AM4 is the i350 controller chip. It really is $40 in bulk from intel. (probably even cheaper for some OEMs)

              T4 is a full NIC, there is no "i350-T4" ethernet controller. You linked to a complete card, not the ethernet ASIC, which is why they list it at $299 MSRP. I can promise you the vendors are not paying that much.

              The pci-e differences are due to ark not always being correct or up to date, it is also not consistent in how it uses terminology. I have been burned by bad ark specs several times now, and you do not get a refund when they fix it, ask me how I know :(

              Cards: http://ark.intel.com/products/family/46829/Intel-Gigabit-Server-Adapters
              Chips: http://ark.intel.com/products/family/2469/Intel-Gigabit-Ethernet-Network-Connection

              The i350 is pci-e 2.1 capable if matched with the correct board design:
              http://www.intel.com/content/www/us/en/ethernet-controllers/ethernet-controller-i350-datasheet.html

              A VT (82575/6) is not better in any way except price. The i350 does some great stuff for busy VM hosts, though its overkill for a basic router.

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              • M
                mattr
                last edited by

                The AM4 version is a second version of the i350 controller. The controller is i350…. http://www.intel.com/content/dam/www/public/us/en/documents/datasheets/ethernet-controller-i350-datasheet.pdf  the card is i350-T4 and then there is a second controller based on the i350 called the i350-AM4. I've purchased both from eBay and they are definitely not the same chip/card.

                First of all the AM4 cards do have i350-AM4 stamped on the IC. However Intel is printed no where. On the OEM i350-T4 just i350 is stamped on the IC with Intel also stamped on the IC as well as painted in two places on the PCB. The i350-AM4 ran at PCIe2.0 (PCIe 2.1+ slots are backward compatible so I'm not saying it doesn't work) while the i350-T4 ran at PCIe2.1. That's not going to make much of a difference if any at all but it shows that they aren't the same.

                The performance I got out of the AM4 cards was terrible. I could barely keep above 90MB/s on just some quick file transfer tests… while the VT cards, Gigabit CT cards (desktop) and i350-T2 and T4 easily bursted over 300MB/s and maintained 250MB/s throughout the transfer.

                I may come to find that every i350 controller is internally known to Intel as i350-AM4 but I haven't seen any evidence of that. As I said I just wanted to make sure everyone was aware those cheap "AM4" cards on eBay from China are not Intel cards and from my tests they don't perform like it either. I stand by getting a VT over a eBay AM4 or just spending the extra couple bucks on a legit T4 from the US.

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                • M
                  marvel
                  last edited by

                  Thank you for the info, mattr. I was just looking at the cheap "AM4s" on eBay and now think I'd better avoid them.

                  Curious, do you know if the 4 port VT/PT or real AM4 cards would work on a Supermicro X10SBA-L board? The slot specification says "1x PCI-E x2 (in x8) slot" and I think these cards require an x4 slot, yes? I've emailed Supermicro support, too, will see what they have to say…

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                  • K
                    Keljian
                    last edited by

                    I must have gotten lucky, I get up to 400MB/s, burst to 450 across mine

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                    • M
                      mattr
                      last edited by

                      @marvel:

                      Thank you for the info, mattr. I was just looking at the cheap "AM4s" on eBay and now think I'd better avoid them.

                      Curious, do you know if the 4 port VT/PT or real AM4 cards would work on a Supermicro X10SBA-L board? The slot specification says "1x PCI-E x2 (in x8) slot" and I think these cards require an x4 slot, yes? I've emailed Supermicro support, too, will see what they have to say…

                      I always tend to avoid the cheap Asian knockoff products. They are cheap for a reason. Though those Korean IPS monitors on eBay are a good deal :) (usually) lol

                      They should work but you're going to be limited on bandwidth.

                      If the slot is x1 electrical x8 physical it will obviously physically fit. Best case scenario it would be bandwidth limited. The documentation for the Intel NICs says:

                      Bus width x4 lane PCI Express, operable in x4, x8, x16 slots

                      It also says:

                      Allows quad-port operation in almost any PCI Express server slot, except x1 slots, and allows each port to operate without interfering with the other

                      So you could take that last part as it will work but not be quad-port operational, it won't work at all or it may work but you could have ports interfering with each other.

                      I haven't tried running a 4 port NIC in anything but a x4 or above PCIe or PCIX before. I definitely wouldn't count on it working in a x1 slot.

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                      • J
                        jasonlitka
                        last edited by

                        The real Intel i350-T4 cards work just fine in a x1 slot.  Personal experience.

                        I can break anything.

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