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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 (KRW) Filter the results in the table by unit price based on your quantity.	Qty.
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-016-06.75-L-D-DP-PC4 Samtec 1: ₩23,322.3 2In Stock 280Expected 11/9/2026	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	2In Stock 280Expected 11/9/2026	₩23,322.3 ₩22,251.3 ₩21,053.4 ₩18,700.1 View ₩16,262.2 ₩13,838.3 ₩13,133.7 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: ₩21,870.8 62In 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	62In Stock	₩21,870.8 ₩19,883.8 ₩16,699 ₩14,965.7 View ₩14,951.6 ₩13,979.3 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: ₩22,716.3 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	₩22,716.3 ₩20,052.9 ₩17,530.4 ₩17,206.3 View ₩17,192.2 ₩16,741.3	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: ₩27,845.8 15In Stock 56Expected 2/8/2027	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 56Expected 2/8/2027	₩27,845.8 ₩23,787.3 ₩20,799.8 ₩20,052.9 View ₩20,038.8 Quote	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: ₩28,395.4 35In 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	35In Stock	₩28,395.4 ₩22,659.9 ₩21,264.8 ₩20,983 Quote Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635MM Q2 HS SHIELDED GP HDR QMSS-052-06.75-L-D-A Samtec 1: ₩30,241.4 70In Stock	Mfr. Part # QMSS-052-06.75-L-D-A Mouser Part # 200-QMSS05206.75LDA	Samtec	Board to Board & Mezzanine Connectors 0.635MM Q2 HS SHIELDED GP HDR Learn More about Samtec q2 shielded b2b connectors	Datasheet	70In Stock	₩30,241.4 ₩28,310.8 ₩22,984.1 ₩22,307.6 View ₩21,645.3 Quote	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: ₩38,879.8 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	₩38,879.8 ₩33,975.8 ₩27,098.9 ₩25,436.1 View ₩23,012.2 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: ₩36,188.3 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	₩36,188.3 ₩35,695 ₩31,213.8 ₩28,987.2 View ₩28,973.2 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: ₩22,504.9 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	₩22,504.9 ₩19,827.4 ₩16,403.1 ₩14,909.3 View ₩14,895.2 ₩13,894.7 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-PT4 Samtec 1: ₩22,434.5 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	₩22,434.5 ₩21,236.6 ₩19,940.2 ₩17,713.6 View ₩15,388.5 ₩13,091.5 ₩12,626.4	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: ₩32,045.2 104Expected 11/16/2026	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 11/16/2026	₩32,045.2 ₩29,367.7 ₩26,084.3 ₩22,674 View ₩19,277.9 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 Samtec 1: ₩21,617.1 104Expected 12/14/2026	Mfr. Part # QFSS-026-04.25-L-D-A Mouser Part # 200-QFSS02604.25LDA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	104Expected 12/14/2026	₩21,617.1 ₩18,826.9 ₩15,022.1 ₩14,106.1 View ₩12,753.3 ₩12,076.8 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: ₩36,850.6 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	₩36,850.6 ₩34,624 ₩33,341.7 ₩29,621.4 View ₩27,408.9 ₩26,549.3 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: ₩25,675.6 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 ₩25,675.6 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: ₩19,686.5 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	₩19,686.5 ₩17,488.2 ₩15,529.4 ₩14,613.4 ₩14,599.3	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: ₩18,164.6 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 ₩18,164.6 ₩18,150.5 ₩18,136.4	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: ₩23,026.3 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	₩23,026.3 ₩21,138 ₩20,391.1 ₩20,377 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: ₩27,408.9 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	₩27,408.9 ₩25,041.5 ₩24,308.7 ₩24,294.6 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: ₩21,264.8 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 ₩21,264.8 ₩18,629.6 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: ₩30,072.3 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 ₩30,072.3 ₩29,226.8 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: ₩45,700.4 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	₩45,700.4 ₩39,443.5 ₩38,203.4 ₩31,566.1 View ₩30,706.5 ₩30,016 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: ₩43,361.1 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	₩43,361.1 ₩40,824.5 ₩40,810.4 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: ₩21,532.6 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 ₩21,532.6 ₩18,742.4 ₩17,868.7 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: ₩36,540.6 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	₩36,540.6 ₩36,526.5 ₩34,652.2 ₩33,271.2 View ₩30,171 ₩29,142.3 ₩29,128.2	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: ₩28,395.4 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 ₩28,395.4	Min.: 150 Mult.: 150 : 150

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Q2™ Shielded Ground Plane Connectors

Types of Connectors