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    Question Dual 2.5GbE-T (RealTek 8125 chipset) PCI-E x1 cards making the rounds on ebay.

    In other words: The Netgear GC752x is a pure 100/1000/10000 Mbit device that won't support 2500 or 5000 Mbit speeds.
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    Question Dual 2.5GbE-T (RealTek 8125 chipset) PCI-E x1 cards making the rounds on ebay.

    For 2.5 or 5Gbit you need NBase-T: A normal 1/10Gbit port won't do and if you connect to an SFP+ port, you'll need a GBIC to match. I have heard of SFP+ GBICs that will run the intermediate line speeds of 2.5 and 5Gbit, but chances are, yours isn't one of those either.
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    Article [SA] "Samsung kills off a major silicon design program" ... RIP Mongoose?

    Well, perhaps AMD bled them of so much talent, that they couldn't continue (and will take who's left). If Samsung prices hadn't skyrocketed beyond the reasonable, I'd have been angry for selling a sub-par product to us poor Europeans. Perhaps they can now afford to deliver an affordable product...
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    Question Plea to NAS mfgs - support USB NICs based on Linux-supported chipsets, regardless of actual device brand, please.

    Turns out, I was wrong with the AQC111U support on Linux, at least for CentOS7.7. You need to download and compile that driver, too (AQC107/108 became standard with the CentOS7.6 release). I could have sworn I tested it with Fedora 30 so I assumed it was a unified driver, as the hardware is...
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    Re-educate me on dual-GigE NAS units, and the differences between LAGG, LACP, and SMB3.0 multi-channel?

    I might have been wrong, about AQC107/108 being pure PCIe 2.0 designs: Evidently they *do* support PCIe 3 8GT/s speeds, too. So you could in theory be able to operate 10Gbit Ethernet on just two PCIe 3.0 lanes... except that nobody offers such a slot. Here are the links to the product...
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    Re-educate me on dual-GigE NAS units, and the differences between LAGG, LACP, and SMB3.0 multi-channel?

    Aquantia doesn't seem big on publishing technical detail to the public. Marvell (the new owners) hasn't been that much better... This is what I have gathered so far: ACQ107/108 are pure PCIe 2.0 designs and 12x14mm chips. Lithography isn't mentioned today, but I believe some years back they...
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    Intel WiFi 6 AX200 Card

    Got a Lenovo Yoga S730 that included an AC-3165 single channel 433Mbs wifi M.2 card on a Whiskey Lake i7 that includes basically an AC-9260 without the PHY on the SoC, because that's €2 cheaper than a matching CNVi adapter... So I swapped that out first with various intermediate 7xxx, 8xxx and...
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    Re-educate me on dual-GigE NAS units, and the differences between LAGG, LACP, and SMB3.0 multi-channel?

    The Asus card is based on the AQC-107 which is a PCIe 2.0 x4 chip: Four lanes, will work on PCIe 3 and 4, but still only at PCIe 2.0 line rates. The AQC-111 chip (used for the QNAP) seems to be PCIe 3.0 x1: So one PCIe 3.0 lane only, but 5Gbit PCIe signal rate, if the host supports it: Perhaps...
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    Question Plea to NAS mfgs - support USB NICs based on Linux-supported chipsets, regardless of actual device brand, please.

    I am not sure I understand what you're asking... The Aquantia/Marvell chipsets are supported by default on current variants of CentOS/RHEL and Fedora, I assume also on Ubuntu. I've tested ACQ 107 and ACQ111 on all three, they work for the PCIe variants and the ones with a USB3 bridge chip like...
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    Question Asustor AS-U2.5G USB3 Type-C to 2.5GBASE-T ethernet adapter

    Let's just say, your mileage may vary. Even if I was a bit wary, having had to deal with USB3 power woes for years, I first went with a passive USB-C to USB-A adapter that also had the advantage of being extremely compact, assuming like you, that little could go wrong at a cable length of...
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    Question Dual 2.5GbE-T (RealTek 8125 chipset) PCI-E x1 cards making the rounds on ebay.

    I cannot think of any real-life workload that will do 250MB/s in both directions, so it's better to count that at 2.5Gbit/s 'every direction'. That's also why LACP/LAG won't make a lot of sense on a PCIe 2 x1 connector. Actually PCIe 2.0 is the crux with all those NBase-T chip designs: They are...
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    Question Asustor AS-U2.5G USB3 Type-C to 2.5GBASE-T ethernet adapter

    Be careful: These super cheap USB-A/C adapters don't transport USB3 power levels so using the USB-C 2.5GBit adapter on a USB3-A socket drops it into USB2 compatibility mode with only around 300-400MBit/s transfer speeds, below Gbit effective bandwidth. I expect similar behavior from any cable...
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    Question Asustor AS-U2.5G USB3 Type-C to 2.5GBASE-T ethernet adapter

    I got the RealTek 2.5 Gbit stuff in two flavors, one from Delock in a very solid if somewhat clunky metal chassis, another from Club3D with more plastic but subjectively lighter weight: Both deliver identical speeds 295MB/s file copies on something like a big VM with current Windows 10 on both...
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    "The BIG Networking Upgrade" - my home LAN, Strategies? Ideas? (Purchased 8-port 2.5GbE-T switches, cards)

    True, and that's what I tried to do initially some years ago, when I first started getting into 10Gbase-T with some company sponsored dual ported NICs (around €500 a piece at the time): I set up a complex peer-to-peer mesh between four servers using 1:1 connections to avoid the cost of the...
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    "The BIG Networking Upgrade" - my home LAN, Strategies? Ideas? (Purchased 8-port 2.5GbE-T switches, cards)

    Since my file servers actually aren't just for file services but run multiple duties (deskop and Steam remote play among them), they run on Windows 2016R2. And I've never been able to get 10Gbit data rates out of them, even with FusionIO PCIe x8 SSDs on both ends, capable of what NVMe do in a...
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    Is Raid 0 worth it for NVMe M.2 SSD?

    Hmm, that BIOS hack sounds interesting... I have a Haswell Xeon E3-1276v3 running a 24x7 home-server on an Asus P9D WS with a C226 chipset (basically a Z77, I think) and 32GB of ECC RAM. Runs a RAID6 of eight 2.5" SATA HDDs with an LSI 9261i8 hardware RAID controller (close to 700MB/s...
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    Notebook computers with i5-8269U or i5-8259U?

    I have a notebook with a Skylake generation equivalent part (i5-6267U) sporting an Iris 550 iGPU with 64MB of eDRAM. At 35 Watts effective at the wall plug it gives the exact same performance as an AMD A10-7850K APU, which has up to 120 Watts at the wall on every graphics and CPU benchmark I've...
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    Question Laptop has low GPU usage in games, but not benchmarks - manufacturer is no help

    I've used somewhat similar (a generation older) laptops both for gaming on Windows and for CUDA accelerated machine learning on Linux. In my case it's a couple of Gigabyte P35X v6 with Skylake i7 45W, GTX 1070m and 32GB of DDR4-2400 RAM. Those machine are even worse off, because they also try...
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    "The BIG Networking Upgrade" - my home LAN, Strategies? Ideas? (Purchased 8-port 2.5GbE-T switches, cards)

    Good that you can get direct connect cables that cheap these days: I still have prices much higher in my mind, from when these things launched. The main attraction of direct connect used to be power, but these ancient Intel NICs eat any potential benefit. There are actually Aquantia (Marvell...
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    "The BIG Networking Upgrade" - my home LAN, Strategies? Ideas? (Purchased 8-port 2.5GbE-T switches, cards)

    Not bad, not bad, but for the home: I don't think the price is right. They sell the NBase-T JBICs at ~€50, which is pretty much the per-port cost on a Buffallo NBase-T switch: You just got the PHY, but you're still missing the switch. I just picked up 4 Aquantia AQN-107 10Git/NBase-T NICs at...
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    "The BIG Networking Upgrade" - my home LAN, Strategies? Ideas? (Purchased 8-port 2.5GbE-T switches, cards)

    Yeah, I keep 'seeing' those 5Gbit USB3 announcements from Aquantia, too... for years, but no product to actually buy. For the QNAP amazon.com won't deliver to .de and amazon.de only has them as 'unavailable' since months... And that one does seem a little odd, like you described: While the...
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    4K video editing using VNC/RDP to system across the room possible with 10 gigabit ethernet?

    For cutting and splicing of video with little regards to visual quality, a software solution like RDP etc. might work: So far my experience with RDP on 4K screens has been rather terrible even over 10GBit networks: Pretty sure the RDP codecs haven't been adapted since SVGA days and they are all...
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    Cheap managed switch (with at least 1x10Gbit port and 5x Gbit port), no router with per port bandwidth settings..

    The place to manage that isn't the switch, but the router/firewall appliance. The most economical switches are layer 2: They have no idea about IP or the Internet. Sure you can get smart ones, but you basically pay those brains extra for every port, when you only have one Internet you want to...
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    Discussion Why aren't there any PCIe x1 v3 or v4 NBASE-T adapters out there? Or why isn't NBASE-T just built in?

    While I managed to avoid MCA, I have been using a PS/2 keyboard ever since I had to retire my favorite AT-keyboards (huge improvement over PC/XT!) for lack of Alt-GR (still believe function keys should be on the left and ESC next to the cursor keys): I am typing this on one that was produced on...
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    Question Sophos XG or pfSense/OPNsense

    I started with UTM when Astaro came out with the free version more than 15 years ago. Initially it ran on a decomissioned corporate notebook with a secondary Ethernet as PCMIA card, but eventually it graduated to a J1900 Atom with dual Ethernet NICs. I've really liked the user interface, of...
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    "The BIG Networking Upgrade" - my home LAN, Strategies? Ideas? (Purchased 8-port 2.5GbE-T switches, cards)

    I got a Buffalo 12-Port NBase-T switch, that will go to 10Gbit on every port, yet support 1/2.5 and 5Gbit as well. It was about $50/port, quite a welcome change from the old days. It seems to use three interconnected Aquantia AQR407 dies internally while the 8-port variant uses two four-port...
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    Discussion Why aren't there any PCIe x1 v3 or v4 NBASE-T adapters out there? Or why isn't NBASE-T just built in?

    10GBase-T has been a very long wait and I understand that much of it related to PHY power and the economy of scale in cloud data centers. On the other hand, now that NBase-T switches are getting to $50/port or lower, I'd like to see more options on the NIC side of things. But for some reason...
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    A long rant about how I hate Socket AM4 but love the Zen SoCs, and how I would like Ryzen/EPYC Embedded alternatives

    Unfortunately that's the level of contractual detail that the public just doesn't get to see... But I am not arguing for leaving out the actual chips in the chipset: You are going to need those very likely in any system. Perhaps they should go to a different place than the motherboard and...
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    Anyone gaming on a 1070ti at 4k?

    In the recent past I have had: GTX 980ti, 1070 (desktop and mobile), 1060, 1080ti and RTX 2080ti. I actually used to run ATI and Nvidia side-by-side, but the last ATI, an R290X, screamed into oblivion using 250 Watts at THD. Monitors were 1920x1200, 1920x1080 and then came 4k... To make a long...
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    Jumbo frames, worth it, yeay or nay?

    Simple answers can be misleading. Short version: At 1-10Gbit on Linux with current hardware: Makes no difference. At 100Gbit on Linux I get the best transfer rates on Mellanox CX5 at 4KB frames (not 1.5, not 9K) Long version: Windows 2012R2 at least (~2016 version of Windows 10 for servers)...
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    What is the largest capacity SSD in your primary Home PC?

    2TB is the largest single unit SSD. It's a Samsung 860 EVO SATA that gets moved between systems a lot, because it contains VMs I need both at home and as I travel with different laptops. Use tray-less hot-swap bays on desktops, DVD SSD-tray carriers on notebooks who have them or a USB 3.1...
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    A long rant about how I hate Socket AM4 but love the Zen SoCs, and how I would like Ryzen/EPYC Embedded alternatives

    I concur with most of what you say: I also feel that the AM4 socket is doing more damage than good for the AMD ecosystem. First of all, pre-Ryzen AM4 was entry level, cheap stuff: Average motherboard prices below $100, not a significant factor when you had to bleed hundreds for a sizeable...
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    2683v3 with GIGABYTE GA-X99-UD3 - is it possible to overclock?

    I have an e5-2696v3 on X99. That one turbos up to 3.8, but very, very rarely: It really is an 2.8GHz all-core CPU with 18 cores instead of 14 and a slightly higher TDP. Real overclocking is out of the question, because of the multiplier locks. BCLK overclocking can be done: I have used a 104.8...
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    Could the reason for introducing "F" CPUs from Intel, be because they want to create a market perception of value for the iGPU, before they release Xe

    I couldn't agree more that Intel can both be stubborn and wrong. Not in the least, because they can afford it: My memory reaches back to the Intel 80432 aka iAPX432. But I cannot help to think that the iGPU story is more complex than that. Of course, it could be no more than some corporate...
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    Could the reason for introducing "F" CPUs from Intel, be because they want to create a market perception of value for the iGPU, before they release Xe

    The processors I quoted were $370 for the i7-6785R and $378 for the i7-6700HQ, GT3 being $8 cheaper on list. Current examples would be the i7-8559U at $431 vs. i7-8565U at $409, but since they aren't the exact same generation and published months apart, that's price erosion perhaps. The point...
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    Question Anyone using ARM CPUs/SOCs?

    If you want something that quite simply works as Linux system on ARM, that won't cost an arm and a leg, but offers reasonable utility, I'd recommend getting a Jetson Nano. Around 100 $ or €, a high quality (A2 rating) µSD card with 64GB or so and you're set. Been tinkering around with mine...
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    Could the reason for introducing "F" CPUs from Intel, be because they want to create a market perception of value for the iGPU, before they release Xe

    One of these days I'd like to hear the full story on this from Intel or more likely from some ex-employee. When they started fully putting the iGPU on the CPU die with Sandybridge, that iGPU took about the same space as the CPU cores: They could have produced an 8 core CPU as the desktop...
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    What controls Turbo Core in Xeons?

    I always thought that the only difference between the ASrock Extreme4 and Extreme4/3.1 was the addition of a USB 3.1 card to the latter... But when I look a the downloads section for both, I see totally distinct BIOS versions and release dates... So would you kindly be able to do the same...
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