

No other issues related to hybernation and sleep. MCE Technologies 2TB SSD for Mac Pro (Late 2013): PCIe-Based 4 Lane (x4) NVMe SSD Flash Storage Upgrade - Requires macOS 10.13.x (High Sierra) or Later 8 ROGOB 256GB MAC SSD PCIe Gen34 NGFF Internal Solid State Drive for MacBook Pro/Air/Mini 2013-2017 SSD UpgrFREE delivery Tue, Feb 21 Only 2 left in stock - order soon. Speed test disk are fine compared to other online (around 1300MB/s in write mode and 1500MB/s in read mode). Maybe could be a problem with ssd the adapter? I'm using one bought on Aliexpress (now I'm waiting for the Sintech one) and I covered the connector with Kapton Tape.Īlso I'm thinking about that because in System Info under the NVME Express device tree, instead of "Apple SSD Controller" I got "Generic SSD Controller" I've already selected the startup disk as the 970 EVO but loading times are still the same, maybe a placebo effect of few seconds faster.

Samsung 970 EVO 1TB (after PRAM reset) -> Swicth on to Apple logo at least 20-30 seconds after the booting sound (the screen stays black), then another 5 seconds to fully boot to login menu.Stock Apple SSD 256GB (after PRAM reset) -> Swicth on to Apple logo almost the same time as the booting sound, 5-10 seconds to fully boot to login menu.Click to expand.So here are the booting times with fresh install of Catalina:
