windows 8.1 - Consistent 100% disk access

I am a developer and on my work laptop it is entirely normal for my disk activity as shown by Task Manager to be 100%. With an average response between 7k-10k ms. This is under relatively simple load.

My machine is a dell Latitude E5430, with 8 gb of RAM 2x4gb sticks and a ST10001LMo14 highbrid ssd/normal drive. This is running Win 8.1.

The machine can be extremely sluggish even when operating at approx 20-40% CPU usage.

Does anyone have suggestions of things I could do to possibly help get past what appears to be an IO bottle neck.

Info from Crystal Disk

Info from Crystal Disk Marks

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