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No, for two reasons:

  • RAM requires an interface that is much faster than any consumer level external interface. The fastest available I believe is Thunderbolt 3, which is at least four times slower than DDR4-2166 (roughly 4GB/sec on TB3 vs. 17GB/sec on DDR4-2166)
  • RAM is a parallel interface, requiring something like 160+ pins. That's going to be one heck of a connector and one thick cable.
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18 minutes ago, Kostas_G said:

A friend has got a 1000 euro laptop with top class processor and graphics card and only 4gb ram.. for warranty reasons he can't open it and add more ram so my question here is if there is a way to add ram through an USB to ram slot converter.. Does anyone know?

Wow. I'm shocked that anyone would even produce such a laptop, let alone buy it.

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On 4/16/2019 at 5:54 PM, Mira Yurizaki said:

No, for two reasons:

  • RAM requires an interface that is much faster than any consumer level external interface. The fastest available I believe is Thunderbolt 3, which is at least four times slower than DDR4-2166 (roughly 4GB/sec on TB3 vs. 17GB/sec on DDR4-2166)
  • RAM is a parallel interface, requiring something like 160+ pins. That's going to be one heck of a connector and one thick cable.

And latency issues aswell.

pcie 24x (actually an thing)

is around 24GB/s

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