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Q2™ Shielded Ground Plane Connectors

Samtec Q2™ Shielded Ground Plane Connectors are rugged, high-speed, 0.635mm pitch, ground plane sockets and headers with a 19Gbps to 35Gbps performance range. The board-to-board Q2™ Shielded Connectors include the QFSS and QMSS series components that are available in multiple orientations, stack heights, positions, and with power/RF end options. These connectors are also available as a differential pair and/or power combo and meet the PCI/104-Express™ standard specifications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip QMS-026-09.75-S-D-A Samtec 1: ¥3,433.3 60In Stock	Mfr. Part # QMS-026-09.75-S-D-A Mouser Part # 200-QMS0260975SDA	Samtec	Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	60In Stock	¥3,433.3 ¥3,350.2 ¥3,307.1 ¥3,069.5 View ¥2,727.4 ¥2,476.6 ¥2,418.4 Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-016-06.75-L-D-DP-PC4 Samtec 1: ¥2,749 5In Stock	Mfr. Part # QMSS-016-06.75-L-D-DP-PC4 Mouser Part # 200-QMSS01606.75LDDP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	5In Stock	¥2,749 ¥2,622.7 ¥2,481.5 ¥2,204.1 View ¥1,916.8 ¥1,631.1 ¥1,548.1 Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-016-06.75-L-D-DP-A Samtec 1: ¥2,577.9 84In Stock	Mfr. Part # QMSS-016-06.75-L-D-DP-A Mouser Part # 200-QMSS0160675LDDPA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	84In Stock	¥2,577.9 ¥2,343.7 ¥1,968.3 ¥1,764 View ¥1,762.3 ¥1,647.7 Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-026-06.75-L-D-A-K Samtec 1: ¥2,677.5 1In Stock	Mfr. Part # QMSS-026-06.75-L-D-A-K Mouser Part # 200-QMSS0260675LDAK	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	1In Stock	¥2,677.5 ¥2,363.6 ¥2,066.3 ¥2,028.1 View ¥2,026.4 ¥1,973.3	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-032-06.75-L-D-DP-A Samtec 1: ¥3,368.5 63In Stock	Mfr. Part # QMSS-032-06.75-L-D-DP-A Mouser Part # 200-QMSS0320675LDDPA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	63In Stock	¥3,368.5 ¥3,346.9	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-052-06.75-L-D-PC4 Samtec 1: ¥4,697.3 2In Stock	Mfr. Part # QMSS-052-06.75-L-D-PC4 Mouser Part # 200-QMSS0520675LDPC4	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	2In Stock	¥4,697.3 ¥4,004.7 ¥3,194.1 ¥2,998.1 View ¥2,710.8 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip QFS-052-04.25-H-D-A Samtec 1: ¥4,265.4 52In Stock	Mfr. Part # QFS-052-04.25-H-D-A Mouser Part # 200-QFS0520425HDA	Samtec	Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	52In Stock	¥4,265.4 ¥4,207.3 ¥3,679.1 ¥3,416.7 View ¥3,415 Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-026-06.75-L-D-A Samtec 1: ¥2,652.6 4In Stock	Mfr. Part # QMSS-026-06.75-L-D-A Mouser Part # 200-QMSS02606.75LDA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	4In Stock	¥2,652.6 ¥2,337 ¥1,933.4 ¥1,757.3 View ¥1,755.7 ¥1,637.7 Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-026-06.75-L-D-PC4 Samtec 1: ¥3,282.1 15In Stock	Mfr. Part # QMSS-026-06.75-L-D-PC4 Mouser Part # 200-QMSS0260675LDPC4	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	15In Stock	¥3,282.1 ¥2,803.8	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-026-04.25-L-D-PT4 Samtec 1: ¥2,644.3 41In Stock	Mfr. Part # QFSS-026-04.25-L-D-PT4 Mouser Part # 200-QFSS0260425LDPT4	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	41In Stock	¥2,644.3 ¥2,503.1 ¥2,350.3 ¥2,087.9 View ¥1,813.8 ¥1,543.1 ¥1,488.3	Min.: 1 Mult.: 1
Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip QFS-078-04.25-L-D-PT4 Samtec 1: ¥3,777.1 104Expected 10/30/2026	Mfr. Part # QFS-078-04.25-L-D-PT4 Mouser Part # 200-QFS07804.25LDPT4	Samtec	Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	104Expected 10/30/2026	¥3,777.1 ¥3,461.5 ¥3,074.5 ¥2,672.5 View ¥2,272.2 Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-048-04.25-L-D-DP-A Samtec 1: ¥4,408.3 6Expected 11/30/2026	Mfr. Part # QFSS-048-04.25-L-D-DP-A Mouser Part # 200-QFSS0480425LDDPA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	6Expected 11/30/2026	¥4,408.3 ¥4,089.4 ¥3,929.9 ¥3,491.4 View ¥3,034.6 ¥2,855.3 Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-026-04.25-L-D-A-GP-P-TR Samtec 150: ¥3,026.3 Non-Stocked Lead-Time 9 Weeks	Mfr. Part # QFSS-026-04.25-L-D-A-GP-P-TR Mouser Part # 200-FSS0260425LDAGP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel ¥3,026.3 Quote Quote	Min.: 150 Mult.: 150 : 150
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-026-04.25-L-D-BM-GP Samtec 52: ¥2,320.4 Non-Stocked Lead-Time 9 Weeks	Mfr. Part # QFSS-026-04.25-L-D-BM-GP Mouser Part # 200-FSS0260425LDBMGP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 9 Weeks	¥2,320.4 ¥2,061.3 ¥1,830.4 ¥1,722.5 ¥1,720.8	Min.: 52 Mult.: 52
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-026-04.25-L-D-PC4-P-FR Samtec 150: ¥2,141 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # QFSS-026-04.25-L-D-PC4-P-FR Mouser Part # 200-FSS0260425LDPC4	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel ¥2,141 ¥2,139.4 ¥2,137.7	Min.: 150 Mult.: 150 : 150
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-026-04.25-L-D-PC4-P Samtec 52: ¥2,714.1 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # QFSS-026-04.25-L-D-PC4-P Mouser Part # 200-FSS0260425LDPC4P	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	Non-Stocked Lead-Time 8 Weeks	¥2,714.1 ¥2,491.5 ¥2,403.5 ¥2,401.8 Quote Quote	Min.: 52 Mult.: 52
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-032-04.25-L-D-DP-A-P Samtec 52: ¥3,230.6 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # QFSS-032-04.25-L-D-DP-A-P Mouser Part # 200-FSS0320425LDDPAP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	Non-Stocked Lead-Time 8 Weeks	¥3,230.6 ¥2,951.6 ¥2,865.2 ¥2,863.6 View Quote	Min.: 52 Mult.: 52
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-032-04.25-L-D-DP-A-FR Samtec 175: ¥2,506.4 Non-Stocked Lead-Time 6 Weeks	Mfr. Part # QFSS-032-04.25-L-D-DP-A-FR Mouser Part # 200-FSS0320425LDDPAR	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 6 Weeks	Reel ¥2,506.4 ¥2,195.8 Quote Quote	Min.: 175 Mult.: 175 : 175
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-048-04.25-L-D-DP-A-P-FR Samtec 150: ¥3,544.6 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # QFSS-048-04.25-L-D-DP-A-P-FR Mouser Part # 200-FSS0480425LDDPA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel ¥3,544.6 ¥3,444.9 Quote Quote	Min.: 150 Mult.: 150 : 150
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-048-04.25-L-D-DP-A-P Samtec 1: ¥5,386.6 Non-Stocked Lead-Time 6 Weeks	Mfr. Part # QFSS-048-04.25-L-D-DP-A-P Mouser Part # 200-FSS0480425LDDPAP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	Non-Stocked Lead-Time 6 Weeks	¥5,386.6 ¥4,649.1 ¥4,503 ¥3,720.6 View ¥3,619.3 ¥3,537.9 Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-052-04.25-H-D-A-BM-P Samtec 52: ¥5,110.9 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # QFSS-052-04.25-H-D-A-BM-P Mouser Part # 200-FSS0520425HDABMP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 8 Weeks	¥5,110.9 ¥4,811.9 ¥4,810.3 View Quote	Min.: 52 Mult.: 52
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-052-04.25-L-D-A-P-TR Samtec 150: ¥2,538 Non-Stocked Lead-Time 6 Weeks	Mfr. Part # QFSS-052-04.25-L-D-A-P-TR Mouser Part # 200-FSS0520425LDAPTR	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	Non-Stocked Lead-Time 6 Weeks	Reel ¥2,538 ¥2,209.1 ¥2,106.1 Quote Quote	Min.: 150 Mult.: 150 : 150
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-052-04.25-L-D-PC4-P Samtec 1: ¥4,307 Non-Stocked Lead-Time 6 Weeks	Mfr. Part # QFSS-052-04.25-L-D-PC4-P Mouser Part # 200-FSS0520425LDPC4P	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	Non-Stocked Lead-Time 6 Weeks	¥4,307 ¥4,305.3 ¥4,084.4 ¥3,921.6 View ¥3,556.2 ¥3,434.9 ¥3,433.3	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-052-04.25-L-D-PC8-P-TR Samtec 150: ¥3,346.9 Non-Stocked Lead-Time 6 Weeks	Mfr. Part # QFSS-052-04.25-L-D-PC8-P-TR Mouser Part # 200-FSS0520425LDPC8	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip	Datasheet	Non-Stocked Lead-Time 6 Weeks	Reel ¥3,346.9	Min.: 150 Mult.: 150 : 150
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-064-04.25-L-D-DP-GP Samtec 26: ¥5,763.7 Non-Stocked Lead-Time 2 Weeks	Mfr. Part # QFSS-064-04.25-L-D-DP-GP Mouser Part # 200-FSS0640425LDDPGP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	Non-Stocked Lead-Time 2 Weeks	¥5,763.7 ¥5,592.6 ¥4,971.4 ¥4,727.2 View Quote	Min.: 26 Mult.: 26