The PINEBOOK Pro M.2/NGFF NVMe SSD Interface Adapter

[Arwen]

Soo
   I see lots of good info on the module specs,

      But what are the exact maximum speed specifications that the Pinebook Pro motherboard can support  ?
             ( A 3,500MBs read module would be impressive,  If  the board can handle it.)
                 ( Also higher wattage/more heat,  Thicker module )


     maybe I missed something ?  
       ( I do seem to get more info each time I re-read thru this shared information. )

     One module I saw had an 'active' .33  watt,  with 1,800MBs read,  not bad for stretching out the battery life..?
        ( PCIe 3.0 x4  and only  2.15mm thick ! )

          Very Interesting....
                      I am hoping to find that perfect M.2 drive to put into my PBP when it finally arrives

We are updating the Wiki with some information;

Pinebook_Pro_Main_Page - Expansion_Ports

The Rockchip RK3399 only supports PCIe 2.x speeds, which are 5GT/s per lane. Because of the 20% encoding overhead, that works out to 4Gbps per lane for data, commands and responses. So 4 lanes x 4Gbps = 16Gbps, or roughly 2GBytes per second maximum. Of course, transfers to memory may slow things down. While the RK3399 has 2 memory channels, they are not as wide as non-SoC computer chips.

Note that PCIe 3.x speed is 8GT/s, but is actually double PCIe 2.x since the encoding overhead has been drastically reduced.