Fujitsu D3643-H MB B360 (Intel,1151,DDR4,Micro-ATX), S26361-F5010-V160

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So simply put: If you keep writing constantly, the disks never idle and thus never reach a chance to spin down. Regardless of how spindown itself is handled... (For spindown, a disk needs to be idle. If no disk ever idles, it wouldn't spin down regardless of the spindown setting). Home Surveillance, okey your disks are not going to spin down much, period... so your idle is basically "Idle with disks". In that case I would advice 2.5"drives, because you are hard pressed in doing 80W idle with 3.5" disk spinning A; It's not too expensive, I already had the motherboard and it doesn't suffer much from the Intel SMT bugs.

First thing I was thinking about was the chassis. Considering I don't live in the USA right now I need to buy something that can be shipped to Europe someway. I found some good candidates, even from old posts on other forums like this on LTT, and at the end I think I will go with the Node 304.Power supplies: https://www.truenas.com/community/resources/proper-power-supply-sizing-guidance.39/ I blame Intel’s Z370 chipset, the only chipset currently available for Intel’s 8th generation (Coffee Lake) CPUs. According to other people’s measurements, the GPU consumes a bit less than 10 Watts when idle. Interestingly, it does not matter whether you connect one or two (4K) displays to the GPU. There is not even a significant change in power consumption if you connect a single display to the mainboard’s Intel graphics instead. A “gaming” mainboard would not have been my natural choice. Neither do I really need a dedicated GPU. Unfortunately, none of the currently available mainboards for Intel’s 8th generation (Coffee Lake) CPUs are equipped with two DisplayPorts. As we will see below, this choice of mainboard and GPU negatively affects power consumption. The other option would be a Fujitsu d3446-s21 gs1 (it comes with an intel i5 6400). Price difference with previous is about 10 euro. Would this be the better choice of the two? This seems the more "professional" board to me, but my knowledge is limited on this part and I can't find that much information on home servers with this board. Would this give me a good base to start on?

TrueNAS Scale for beginners: https://www.truenas.com/community/resources/welcome-to-truenas-scale-beginners-intro.208/ A modern PC’s power consumption is highly volatile, changing many times per second depending on the workload. The most important value, however, is idle power consumption, because no matter how furiously you work, your machine will be idling a large part of the time. One caveat to be aware of: in sleep mode, the system consumes 12.6 Watts, which is about 12 Watts more than it should. This is the case even with the ErP Ready BIOS setting enabled, which is supposed to make the system conform to the EU’s environmental regulations. I worked around this inefficiency by configuring Windows to hibernate when the power button is pressed instead of sleeping. During hibernation, the system only consumes 0.2 Watts. Noise Emissions / SilenceMeet Dozers big brother: Acco. Named after the Acco Super Bulldozer https://en.wikipedia.org/wiki/Acco_super_bulldozer

I also won't be doing any surveillance with it and use a seperate system to record that data when I need it. I had initially run Cinebench before any Meltdown/Spectre OS and firmware patches. Once the machine was fully patched and the BIOS firmware updated, and I had verified that the patches fully mitigated the threats, I ran Cinebench again. Encouragingly, the Meltdown/Spectre mitigation did not affect the Cinebench performance at all. The multi-core benchmark result was even 3% higher.Don't use RAID: https://www.truenas.com/community/r...bas-and-why-cant-i-use-a-raid-controller.139/ If you need Bluetooth only (without Wi-Fi), take a look at the Hama Bluetooth USB adapter 4.0 + EDR. Assembling the Components Terminology and Abbreviations Primer: https://www.truenas.com/community/threads/terminology-and-abbreviations-primer.28174/ So I've been looking into second hand. The nice supermicroboards can't be found second hand for a reasonable price at the moment. And as I've come to understand over here, the consumer boards I'd better not use as well. This kinda answers the question already, but I'm gonna ask it anyway. With the very limited budget I can get (both secondhand):

Spindown is per drive setting... But keep in mind that all drives are mostly writen at once* and the times for spindown (regardless of how low its set) only starts counting down when a drive is on standby. cannot spend too much right now but I can delay some expenses to some months from now (placing 8 or 16 GB of RAM now and buying other next fall for example) Now, really, I've heard all the stuff about how I'm wrong or how I'm an idiot or how I don't know what I'm talking about, and I can serenely listen to that all day long. If you look at 24-or-more drive arrays, the *lowest* thing I have seen is an 850W nonredundant PSU on the Storinator Q30, which is only possible because they stagger spinup (this is also not their default option, which is a dual 1400W PSU). Your typical Supermicro 846 is a pair of 920W PSU's (1840W available to spin) or 1280W PSU's, HP is IIRC redundant 1460W, etc. I have a hard time thinking all these other electrical engineers are crazy too. PSU failures are not a "limit" type thing. If you hit a point where the PSU actually fails, you are already so far over the line that irreparable damage had probably been done at a substantially lower load. HP, for example, built their MicroServer Gen 8 with a 200W PSU for a 4-bay AMD Athlon based system. The supply is incredibly underpowered and there's actually a company that has made a good business out of 350W PSU upgrades for it when the undersized supply eventually fails. That's for a four-drive system. Platform with highest idle efficency (for the whole system!): Intel (without a doubt), without disks, pcie-cards and peripherals 5W idle is duable.

Load of disks: thinking about 12-18 2.5" drives + 3 SSD's for Special allocation classes (coming in TrueNAS core) and 2 SSD's for FreeNAS. The need for Space I have currently won't ever exceed 10TB so I thought about getting 2 4-drive RAIDZ1 vdevs resulting in a total capacity of 24TiB (with 20% free space in mind). Maybe I'll just do 1 vdev resulting in 12TiB. I can still expand later on. This article describes how to build a fast workstation PC that is almost completely silent (actually the fastest possible in terms of single-thread performance). It is based on a PC build published by German c’t magazine. Why Single-Thread Performance is (Nearly) the Only Thing That Matters Burn-in and testing: https://www.truenas.com/community/threads/building-burn-in-and-testing-your-freenas-system.17750/