M.2 0.5PITCH 4.2H KEY E 15U'' AU Connector Height: 4.2 mm Connector Height: .165 in Connector & Keying Code: E Contact Mating Area Plating Material: Gold (Au) Circuit Application: Power M.2 Connector | 4.2 mm .165" E Gold (Au) | Part Number: 2199230-4 | Internal Number: 2199230-4 | TE Connectivity | M.2 NGFF