Genuine Delta Electronics DSB0912M 3-Pin 12V .19A Rear Case Cooling Fan 92mm x 92mm x 25mm 12V, 0.19A, 92mm x 92mm x 25mm 3 Pin Connector Useful in MANY systems, however, most often used with Dell Vostro 200, 400, Inspiron 530, 531, 535, 537, 545, 546, 560, 570, 580, and Studio XPS 8100 Systems Delta Electronics Part Number : DSB0912M Compatible Dell Part Number: X755M