Additional M2 drive?

Hi... just got a Alienware Area 51 R7 Thread Ripper edition... came with a 2TB M2 drive and a 2TB SATA drive, i had read somewhere, or at least thought i did that it has 2 M2 slots, when i open it up i only see 1 that is in use. Can anyone tell me if there is a 2nd M2 slot on this machine and if so where exactly?


Jan 9, 2013
this is off the sales menu: 'With support for 1 M.2 drive, 2 U.2 drives, and 3 3.5" drives, your machine can support up to six drives of SSD or HDD for the fastest storage available' ... 'Up to 2TB M.2 PCIe NVMe SSD (Boot) + 2TB 7200RPM SATA 6Gb/s (Storage)' .... the service manual & specs manual lists x1 M.2 (mthrbrd), x2 U.2 (hard drive bays), u look maxed out on M.2, try U.2 drives (?)
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