Q Strip™ QSS High-Speed Ground Plane Socket Strip Samtec Q Strip™ QSS High-Speed Ground Plane Socket Strip offers up to 250 positions, a 9.5GHz / 19Gbps rating, and 5mm to 16mm stack heights. The QSS series is an Extended Life Product™ (E.L.P), features a 285VAC voltage rating, and has a 1.8A per pin contact rating. Samtec Q Strip QSS High-Speed Ground Plane Socket Strip operates in the -55°C to +125°C temperature range.