However, honestly, Samsung T7 1TB is good enough for most people. There are now USB 3.2 gen 2x2 and Thunderbolt 3 / USB 4 external SSDs on the market. It only has to be backward compatible to USB 3.2 gen 2 (or gen 2x1 if you like). Just an FYI, USB 4 does NOT have to be backward compatible to USB 3.2 gen 2x2. Anyway, right now, you can put PCIe gen 4 x4 SSDs in a Thunderbolt 3 / USB 4 enclosure, but it runs in PCIe gen 3 x4 mode.Īnyway, most people probably don't care about the details. Maybe there is technically a way to wire PCIe gen 4 x4 to Thunderbolt 3, but even if that's possible, there will be some bandwidth reduction since Thunderbolt 3/4/USB 4 just doesn't have that kind of bandwidth.
So, use PCIe gen 4 x4 eh? Um… nice thinking, but that's not how it works, at least not currently. The issue is using PCIe gen 3 x8 doesn't quite make sense (good luck finding a consumer SSD that supports that) and using PCIe gen 3 x4 means you cannot get the max out of Thunderbolt 3 / USB 4. Problem is, USB4 has the same issue as Thunderbolt 3 (and even Thunderbolt 4). A non-Intel USB4 chipset will take some time to become available. However, a lot of makers are simply re-packaging Thunderbolt 3 external SSDs as USB4. Problem is, the main objective of USB4 is you don't have to use the Intel Thunderbolt 3 chipset. They have been available (as Thunderbolt 3) for some time now.
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