My current 5900x seems to be on the brink of death, randomly refusing to boot and crashing despite having disabled C-States already. I’m using as an excuse to upgrade to AM5 while taking with me as many components as feasible.

While I did already quite some research I am sure if there are things I have overlooked, so someone looking a this build (I included my old components I plan to still use) would be helpful.

I have read that the AM4 coolers are still compatible I am unsure about that particular one, or if I should replace it since it is 5 years old already…

PCPartPicker Part List

Type Item Price
CPU AMD Ryzen 7 9800X3D 4.7 GHz 8-Core Processor €449.00 @ notebooksbilliger.de
CPU Cooler EK AIO 360 D-RGB 66.04 CFM Liquid CPU Cooler Purchased
Motherboard Gigabyte B850 AORUS ELITE WIFI7 ATX AM5 Motherboard €206.90 @ Alza
Memory Patriot Viper Elite 5 Ultra RGB 48 GB (2 x 24 GB) DDR5-6400 CL32 Memory €189.90 @ Alza
Storage Intel 665p 1 TB M.2-2280 PCIe 3.0 X4 NVME Solid State Drive Purchased
Storage Samsung 980 Pro 2 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive Purchased
Storage Samsung 870 Evo 2 TB 2.5" Solid State Drive Purchased
Storage Western Digital WD_Black SN850X 2 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive €146.90 @ Amazon Deutschland
Video Card Gigabyte AORUS MASTER GeForce RTX 3080 10GB 10 GB Video Card Purchased
Case Lian Li O11D XL-X ATX Full Tower Case Purchased
Power Supply SeaSonic Platinum 860 W 80+ Platinum Certified Fully Modular ATX Power Supply Purchased
Prices include shipping, taxes, rebates, and discounts
Total €992.70
  • felsiq@piefed.zip
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    3 days ago

    Your cooler will prob still be compatible with the same bracket, and if it’s not making any unusual pump noises or having problems cooling your 5900x it should be fine to reuse.

    RAM-wise you may be better off sticking with 6000MHz (current AMD sweet spot) unless you plan on overclocking the CPU’s infinity fabric, but if you’re getting a good price on that ram in your market I wouldn’t worry too much about this one.

    It probably won’t matter with a 3080, but worth being aware that with 3 m.2 drives installed your mobo will likely use lane-sharing and downgrade the gpu’s pcie from x16 to x8, and/or disable certain sata ports. Again this isn’t a “don’t do it” thing, just something to be aware of in advance in case it’s relevant for you.

    Other than those minor notes it sounds like it’ll be a great upgrade for gaming, though your multi-core performance will prob drop a little. Enjoy the rebuild!

    • remotelove@lemmy.ca
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      2 days ago

      It finally feels like recent microcode updates have improved RAM stability at and over 6000MHz. I was an early adopter of the 9950X3D with an X870E, and it’s been a slow and painful wait while stability issues were worked out over this last year. (Since I migrated to AMD with a 7950X3D, memory training has always been hit-or-miss. Usually a miss unless starting from cold boot.)

      Realistically, there isn’t a huge benefit for RAM speeds over 6000 for now, but I can say with confidence that AMD @ 6000 being the sweet spot may be finally in the past. Hopefully. Maybe. (I am running a Crucial 6400 64GB kit now with some tight timings and a mild overclock and it’s rock solid, but it was a long wait to get there.)

      • Klajan@lemmy.zipOP
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        2 days ago

        It’s always the same for early adopters. I remember having stability problems early since I got the 5900x at release. It went away after maybe 3 bios updates.

    • False@lemmy.world
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      2 days ago

      “infinity fabric” I swear you’re just making shit up lol, but nope:

      Infinity Fabric is AMD’s proprietary interconnect architecture that facilitates data and control transmission between various components in their CPUs and GPUs. It allows for high-speed communication and efficient data management across multiple cores and memory systems, enhancing overall system performance.

    • Klajan@lemmy.zipOP
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      2 days ago

      I read that this kit also has a preset for 6000, so that should be fine if the silicon can’t handle 6400 in 1:1 mode.

      Good point on the pcie Lanes, I’ll have to do more research on that, since I will likely use all of the 4 SATA ports at some point.

      I think the multi core performance is about equal, and I didn’t need much of an upgrade there since the 5900x still feels more than adequate.

  • 9tr6gyp3@lemmy.world
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    3 days ago

    There are some coolers that fit AM5 processors better than AM4 due to the die curvature, so if you go cooler shopping, look into getting an AM5 specific one.

    AM4 coolers will still work fine, though you might have a degree or two difference in cooling performance

    • Klajan@lemmy.zipOP
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      2 days ago

      Ah, I vaguely remember reading about this.

      I’ll just use the current one, it’s not hard to swap a cooler if I notice any problems.

  • grue@lemmy.world
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    2 days ago

    First of all, I bet it’s more likely your motherboard than your CPU causing your stability issues. Unless you’re looking for an excuse to upgrade, I’d say just try replacing that with another cheap AM4 mobo and see if it fixes it.


    Second, regarding your AIO cooler:

    I remember seeing some YouTube video (from JayzTwoCents, maybe?) about the longevity of AIO water coolers; something about the liquid slowly evaporating through the tubing to the point where it might start to become a problem around 7-ish years? I dunno; the “7” sticks in my mind, at least. IIRC it also depends how the cooler is oriented; even if the air bubble is bigger than when it was new, as long as it’s not impeding water circulation it isn’t a problem. (Keep the top of the radiator higher than the water block, and either horizontal or with the endcap with the hoses facing down.)

    Anyway, unless your AIO is making an objectionable funny noise like the pump failing or gurgling from the reservoir, or you actually observe the cooling performance becoming unsatisfactory, I wouldn’t worry about it too much. (Also, if you have a problem related to a failing fan, just replace the fan and don’t use it as an excuse to replace the whole cooler.)


    I have a 120mm AIO that was 7 years old when I quit using it, but the only reason that happened was that a video card upgrade forced me to switch cases, and it wouldn’t fit in the new case because the tubes couldn’t bend tightly enough. (Mini-ITX problems, LOL.) If it had fit, I’d still be using it.

    • Klajan@lemmy.zipOP
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      2 days ago

      I suspect it’s the CPU just because the failure mode does match others where a CPU replacement fixed the issue. My PC would just freeze when booting until I disabled global C-States. That fixed it for about 5 months and then it started happening again…

      Sounds like I should be fine with the AiO, since it is mounted to the top of the case.