3M ™ MetPak ™ HSHM Press-Fit Socket 2 mm Type B22, 110 Signal Contacts, 5 Rows, Right Angle HSHM Series Up to 5 Gb/s data rates Low crosstalk at high frequencies 50/100 Ω (single-ended/differential) impedance Modular/scalable format IEC 61076-4-101 Press-fit headers and receptacles 63 mated lines per linear inch Dual beam contact construction for high reliability End-to-end stackable with 5 row 3M ™ MetPak ™ CP2, HM, and HSHM sockets Mates with 5 row 3M ™ MetPak ™ CP2, HM, and HSHM headers See Regulatory Information Appendix (RIA) for chemical compliance information.