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    Mellanox ConnectX-3 SFP+ Nic not being detected in TrueNAS/Supermicro X8DTN+

    Hi there I just did this, please read the whole thread, but here is my post in that thread. https://forums.servethehome.com/index.php?threads/solved-mellanox-connectx-3-cant-get-40g-only-10g.22543/post-294795 Get the Mellanox mxup utility, chmod +x it, run it with no arguments to see what...
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    Scalable CPUs to watch

    Was not aware of latency issues you posted. I am not seeing these issues in real world testing. Ok so what is the application? I mean newegg.com has these for $274.. AMD 3600X = CPU SCORE 18855 - $274 (Desktop CPU) DDR4 3600 E5-2695v4 = CPU SCORE 20096 - $900 (Server Brand new) - more...
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    HGST He8 Ultrastar 8TB HUH728080AL5200 $82

    Try plugging one 10Tb to a motherboard port, then you can see POH with smartctl.. One cannot erase the POH counters via firmware or utility, that I am aware. Re: TrueNAS sounds like you will have a lot more space! I just built a TrueNAS box and I've got a 40Gb connection for it. $60 -for...
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    3080 ETH mining?

    Yeah, I was aware that 1 Etherum founder went there, were there more? Did you purchase a bunch of polkadot? I actually suggested a coworker buy it in December. It's only up 10000% since then...
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    Any server rack experts here? Need help.

    Not a rack expert but I've built a few. How about a 1u shelf which telescopes in depth so you can bolt it to both the back and front of the rack. No sag - but you may need longer cables for your device.
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    HGST He8 Ultrastar 8TB HUH728080AL5200 $82

    HGST He8 Ultrastar 8TB - this drive was new at launch around 3/2015 - so it's 6 years old now. I hope they work out for you.
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    HGST He8 Ultrastar 8TB HUH728080AL5200 $82

    POH = Powered on hours - if you see a number like: 43,800 - that means they've been running for 5 years total already.
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    3080 ETH mining?

    It's at $1,800 for 1 ether now. In 3 years I expect it to hit $10,000 for 1 ether. 5x investment for 3 years time.
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    Scalable CPUs to watch

    Why not buy an AMD Ryzen 5 3600X ? ~ about $274 - can use ECC, Server boards etc, is 7nm chip. I have done this, installed it in an Asrock/rack board with ECC - it's fast and reliable, running ESXi 6.7u2
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    [SOLVED]Mellanox ConnectX 3 can't get 40G only 10G

    Long time lurker - 1st time poster... Hello All, just wanted to share my experience for this. I just purchased (2) HP 649281-B21 ConnectX3 cards from ebay for $40 (both) They had old firmware on them. So I found this page: https://www.mellanox.com/support/firmware/mlxup-mft Chose FreeBSD...