Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S‑8 (Nos. 333-64350, 333-136912, 333-147621, 333-175208, 333-184854 and 333-200052) of Quantum Corporation of our report dated May 31, 2017 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.  

/s/ PricewaterhouseCoopers LLP

Seattle, Washington

May 31, 2017