M.2 0.5PITCH 4.2H KEY B 30U'' AU Connector Height: 4.2 mm Connector Height: .165 in Connector & Keying Code: B Contact Mating Area Plating Material: Gold (Au) Circuit Application: Power M.2 Connector | 4.2 mm .165" B Gold (Au) | Part Number: 2199230-5 | Internal Number: 2199230-5 | TE Connectivity | M.2 NGFF