Imaging M.2 SSDs in Intel Skylake Chipset Systems
Summary: This article provides the steps for Imaging Windows on M.2 solid state drives in Intel Skylake chipset computers.
Symptoms
Skylake and M.2 Drives
Latitude, Precision, and OptiPlex computers with the Intel Skylake chipset may be equipped with PCIe based M.2 solid state drives. These drives require a new version of Intel Rapid Storage Driver (Version 14.5 or higher) to be accessible by the Operating System and imaging tools.
M.2 is a small-form-factor (SFF) multi-purpose connector designed to replace the small mSATA and mini-PCIe slots.
Cause
No cause information is available.
Resolution
Essential Imaging Information
Intel Rapid Storage version 14.5 is required to use PCIe based M.2 SSD drives that appear as "NVMe" disks.
The NVMe disk does not have a PCI hardware ID but is recognized by the iaStor driver.
Example: SCSI\DiskNVMe____SM951_NVMe_SAMSUBXW7
Intel Rapid Storage 14.5 is not in the Windows PE CAB files for Windows PE 3.1, 5.0, or 10 as of yet and must be downloaded from Intel directly from https://downloadcenter.intel.com/product/55005/Intel-Rapid-Storage-Technology-Intel-RST 
You must download and extract the F6 driver directly to a USB thumb drive, then boot to the Windows media and load the IRST drivers:
- Download the F6 driver depending on your processor (x86 for 32-bit processors, or x64 for 64-bit processors).
- Extract the contents of the file to your USB drive.
- Boot to the Windows installation media, and at the hard drive selection screen, select Load drivers.
- Select the appropriate driver based on your BIOS settings to display the hard drive.
- Proceed with the Windows installation.
The new Skylake based motherboards require Intel Rapid Storage driver 14.5.2.x or newer.