Does Swift 3X SF314-510G support PCIE4.0 SSD?

Radddder
Radddder Member Posts: 3 New User
edited August 2021 in Swift and Spin Series
There's no details about PCIE4.0 lanes on website ark.intel.com.
Some ones say that tigerlake-u CPUs only have 4 PCIE4.0 lanes, especially for dedicated graphic card (Xe MAX in S3X).
I have tried SN850 and 980pro on this laptop, the maximum seq speed is 3500M/s.
So, does Swift 3X support PCIE4.0 SSD? Can I disable the dedicated GPU to spare PCIE4.0 lanes for M.2 interface?

Answers

  • ttttt
    ttttt Member Posts: 1,947 Community Aficionado WiFi Icon
    @Radddder

    To achieve gen 4 NVMe SSD speed of 7,000 MB/s , you'll need 11th Intel CPU plus PCIe 4.0 motherboard. I have a WD SN850 , achieved close to 7,000 MB/s , but that is a desktop with the above requirements fulfilled. 4 lanes is all it takes for PCIe 4.0, don't need x8 or x16 for that performance.

    I have seen people using 11th gen Intel CPU on their laptops, but still get gen 3 performance because the motherboards are still PCIe 3.0.

    Maybe wait another half year, we can see gen 4 performance on laptops.
  • Radddder
    Radddder Member Posts: 3 New User
    ttttt said:
    @Radddder

    To achieve gen 4 NVMe SSD speed of 7,000 MB/s , you'll need 11th Intel CPU plus PCIe 4.0 motherboard. I have a WD SN850 , achieved close to 7,000 MB/s , but that is a desktop with the above requirements fulfilled. 4 lanes is all it takes for PCIe 4.0, don't need x8 or x16 for that performance.

    I have seen people using 11th gen Intel CPU on their laptops, but still get gen 3 performance because the motherboards are still PCIe 3.0.

    Maybe wait another half year, we can see gen 4 performance on laptops.
    Thanks for answer.

    Exactly, CPU and motherboard supporting PCIe 4.0 is needed.

    However, the CPU of my laptop(Acer Swift 3X,SF314-510G) is i5-1135G7,PCIe 4.0 SSD is supported theoretically. I just wonder can I disable the dedicated GPU to spare PCIE4.0 lanes for M.2 interface.

    What's more, Acer Swift 3 (evo certification) has supported PCIe 4.0 SSD, also i5-1135g7.
  • ttttt
    ttttt Member Posts: 1,947 Community Aficionado WiFi Icon
    @Radddder

    I think there are still some catchups to do in the motherboard side for the gen 4 performance. Wondered what they mean by "Support", backward compatible is also "support"?

    What happen if you'll disable the integrated graphics? You gain some and will lose some, and probably still will not work the way you want it to be.

    BTW, how many M.2 SSD slots are there with your Swift 3?
  • Radddder
    Radddder Member Posts: 3 New User
    ttttt said:
    @Radddder

    I think there are still some catchups to do in the motherboard side for the gen 4 performance. Wondered what they mean by "Support", backward compatible is also "support"?

    What happen if you'll disable the integrated graphics? You gain some and will lose some, and probably still will not work the way you want it to be.

    BTW, how many M.2 SSD slots are there with your Swift 3?

    Swift 3X(SF314-510G)→1135G7+Xe MAX, comes with PCIE3.0 SSD x1, but there're 2 M.2 interfaces (both from PCH I think).
    Swift 3(SF314-511)→1135G7 and integrated GPU, comes with PCIE4.0 SSD, only one M.2 interface, from CPU.
    I just want to disable Xe MAX(dedicated GPU) to spare the PCIe4.0 channel.
  • ttttt
    ttttt Member Posts: 1,947 Community Aficionado WiFi Icon
    @Radddder

    I am just curious whether you got two M.2 slots with one slot dedicated for PCIe 4.0 just like my desktop motherboard.

    If the SF314-511 model still cannot achieve 7,000 MB/s read, I guess we may still have to wait for newer models to get that.

    Maybe you can find some way to do it. Good luck !