Does HP Z420 compatible with SATA or NVMe ssd?

Does HP Z420 compatible with SATA or NVMe ssd? m2 sata slot -or- If I install only 1x 970 Evo plus NVMe drive in an slot how many SATA ports will be disabled? m24 slot 2 SSD? SATA vs M2 NVMe; B key, B+M key, and M key; Length Make sure to check the manual of your motherboard which slot you have

m24 slot 2 slot can interface with SATA , PCI Express (the default interface

m2 sata slot NVMe: 1 Slot; SATA SSD: 1 Slot; Micro TF: Supports 32GB, 64GB, 128GB -or- If I install only 1x 970 Evo plus NVMe drive in an slot how many SATA ports will be disabled?