this post was submitted on 12 Jan 2026
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Russian modder makes his own DDR5 memory saving $600 to $800 on single module (videocardz.com)
submitted 3 weeks ago by cm0002@suppo.fi to c/pcgaming@lemmy.ca
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VIK-on reached out to us to give an update on his self-built DDR5 memory. According to the modder, the donor chips came from two 16GB SO-DIMM modules that cost 8,000 rubles each. A new PCB costs 50 yuan, which VIK-on estimates at about 600 rubles. A basic heatsink from AliExpress added another 415 rubles.

That puts the total build cost at 17,015 rubles, roughly $218, for a single 32GB stick. In comparison to DDR5 memory currently on the market in Russia, that's at least 1/3 of the cost. The DDR4-4800 32GB memory costs 423 USD while 6400 CL32 memory costs 588 USD. A quick check in the US or EU, shows that such memory can easily cost much more than that.

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[–] FishFace@piefed.social 35 points 3 weeks ago

No he didn't. He swapped DDR5 memory on laptop SO-DIMMs onto desktop DIMMs. The article focuses on the form-factor of the source memory and the generation of the result. But the generation doesn't change, and I assume that it is not possible. You can see the source memory here

While it's a cool project and may be useful while laptop RAM is cheaper than desktop RAM, that state of affairs is unlikely to last that long, because the actual chips on the PCBs are the same.