Expansion Card Slots · M.2

7NGFF-F0-0428 (NGFF M KEY H:4.2mm GEN4) is an M.2 expansion card slot connector in KINGCONN's m-2 series. It has a pitch of 0.50 mm and a mated height of 4.2 mm, with a current rating of 0.5 A max per pin at an operating voltage of 50V AC and contact resistance of 55 mΩ per pin. The housing is molded from LCP with a UL94V-0 flammability rating. Connectors of this type are used in laptops, desktop motherboards and embedded systems for mounting M.2 SSD and wireless expansion cards. The part is RoHS compliant, and the engineering drawing (PDF) is available for download on this page.
Source: engineering drawing for this part number 7NGFF-F0-0428 rev. A