 The M92p is available with both hard drives and solid-state storage.One difference with the M91p is that the M92p comes with four USB 3.0 ports on the rear of the computer, whilst the M91p only offers USB 2.0 ports.In a review for "ZDNet", Charles McLellan wrote, "Unless internal expansion is required, we can find little wrong with Lenovo's ThinkCentre M92p as a business-class small-form-factor PC (and there are bigger models in the range if expansion is required).