I've just received the new iMac (27", i7, M395x). Updated to 10.11.1 and I've noticed that the GPU is described as "kHW_AMDRadeonR9M395XItem 4096 MB" and in System Informations there is no NVMe device detected... Is this normal? My 500Gb SSD is listed under SATA/Sata Express. BlackMagic says it runs at 1800MB/s like the others. Thank you all!