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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 (THB) 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-A-K-TR Samtec 1: ฿488.14 261In Stock	Mfr. Part No. QMSS-016-06.75-L-D-DP-A-K-TR Mouser Part No 200-QMSS16675LDPAKTR	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	261In Stock	Cut Tape ฿488.14 ฿462.15 ฿435.49 ฿393.84 Reel ฿300.55 View ฿381.18 ฿289.88 ฿266.23 Quote	Min.: 1 Mult.: 1 : 300
Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip QMS-052-02-L-D-RA-MG Samtec 1: ฿997.27 7In Stock	Mfr. Part No. QMS-052-02-L-D-RA-MG Mouser Part No 200-QMS05202LDRAMG	Samtec	Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	7In Stock	฿997.27 ฿900.97 ฿812.01 ฿734.04 View ฿687.72 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip QFS-032-04.25-L-D-DP Samtec 1: ฿405.50 4In Stock	Mfr. Part No. QFS-032-04.25-L-D-DP Mouser Part No 200-QFS0320425LDDP	Samtec	Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	4In Stock	฿405.50 ฿403.84 ฿363.85 ฿339.20 View ฿301.21 ฿267.23 ฿259.23 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip QFS-026-01-SL-D-RA-K Samtec 1: ฿652.41 40In Stock	Mfr. Part No. QFS-026-01-SL-D-RA-K Mouser Part No 200-QFS02601SLDRAK	Samtec	Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	40In Stock	฿652.41 ฿645.41 ฿644.74 ฿585.10 View ฿557.44 ฿557.11 Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-016-04.25-L-D-DP-PT4 Samtec 1: ฿547.11 16In Stock	Mfr. Part No. QFSS-016-04.25-L-D-DP-PT4 Mouser Part No 200-SS0160425LDDPPT4	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	16In Stock	฿547.11 ฿518.13 ฿473.14 ฿472.81 View ฿420.50 ฿365.52 ฿310.54 ฿299.21	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-PC4 Samtec 1: ฿978.61 26In Stock	Mfr. Part No. QFSS-048-04.25-L-D-DP-PC4 Mouser Part No 200-SS0480425LDDPPC4	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	26In Stock	฿978.61 ฿917.63 ฿864.32 ฿796.68 View ฿768.36 ฿735.37 Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-026-04.25-H-D-A-GP Samtec 1: ฿728.38 51In Stock	Mfr. Part No. QFSS-026-04.25-H-D-A-GP Mouser Part No 200-QFSS0260425HDAGP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	51In Stock	฿728.38 ฿689.72 ฿647.41 ฿641.08 View ฿576.44 ฿544.78 ฿526.12 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip QFS-026-04.25-L-D-RF1 Samtec 1: ฿518.79 60In Stock	Mfr. Part No. QFS-026-04.25-L-D-RF1 Mouser Part No 200-QFS02604.25LDRF1	Samtec	Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	60In Stock	฿518.79 ฿482.81 ฿459.48 Quote Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-078-06.75-L-D-A Samtec 1: ฿956.95 19In Stock	Mfr. Part No. QMSS-078-06.75-L-D-A Mouser Part No 200-QMSS0780675LDA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	19In Stock	฿956.95 ฿905.97 ฿827.00 ฿734.71 View ฿639.08 ฿595.10 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-GP Samtec 1: ฿1,001.60 65In Stock	Mfr. Part No. QFSS-052-04.25-H-D-A-GP Mouser Part No 200-QFSS0520425HDAGP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	65In Stock	฿1,001.60 ฿879.31 ฿834.00 ฿787.02 View ฿748.70 Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip QMSS-026-06.75-H-D-PC8 Samtec 1: ฿944.29 47In Stock	Mfr. Part No. QMSS-026-06.75-H-D-PC8 Mouser Part No 200-QMSS0260675HDPC8	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	47In Stock	฿944.29 ฿900.64 ฿836.33 ฿710.72 View ฿703.05 ฿693.72 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-PC4 Samtec 1: ฿1,108.56 22In Stock	Mfr. Part No. QFSS-052-04.25-H-D-PC4 Mouser Part No 200-QFSS0520425HDPC4	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	22In Stock	฿1,108.56 ฿995.93 ฿961.62 ฿902.64 View ฿872.32 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-K Samtec 1: ฿714.71 36In Stock	Mfr. Part No. QMSS-032-06.75-L-D-DP-A-K Mouser Part No 200-MSS0320675LDDPAK	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	36In Stock	฿714.71 ฿607.09 ฿598.43 View Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip QMS-052-09.75-SL-D-A-K-FR Samtec 150: ฿573.77 150In Stock	Mfr. Part No. QMS-052-09.75-SL-D-A-K-FR Mouser Part No 200-QMS0520975SLDAKR	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	150In Stock	Reel ฿573.77 ฿501.80 ฿501.47 View Quote	Min.: 150 Mult.: 150 : 150
Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip QMS-052-06.75-L-D-A Samtec 1: ฿624.08 1,917In Stock	Mfr. Part No. QMS-052-06.75-L-D-A Mouser Part No 200-QMS05206.75LDA	Samtec	Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	1,917In Stock	฿624.08 ฿547.78 ฿547.45 ฿547.11 View 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-P-TR Samtec 1: ฿511.13 138In Stock	Mfr. Part No. QFSS-026-04.25-L-D-A-P-TR Mouser Part No 200-FSS0260425LDAPTR	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	138In Stock	Cut Tape ฿511.13 ฿436.49 ฿409.17 ฿377.52 Reel ฿359.86 View ฿370.85 ฿313.54 ฿255.23 Quote	Min.: 1 Mult.: 1 : 150
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-052-04.25-L-D-A Samtec 1: ฿730.04 460In Stock	Mfr. Part No. QFSS-052-04.25-L-D-A Mouser Part No 200-QFSS05204.25LDA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	460In Stock	฿730.04 ฿636.08 ฿556.11 ฿514.79 View Quote	Min.: 1 Mult.: 1
Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip QFS-078-01-SL-D-RA Samtec 1: ฿1,048.25 32In Stock	Mfr. Part No. QFS-078-01-SL-D-RA Mouser Part No 200-QFS07801SLDRA	Samtec	Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	32In Stock	฿1,048.25 ฿1,014.59	Min.: 1 Mult.: 1
Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Socket Strip QFS-078-04.25-L-D-A-GP-P Samtec 1: ฿735.04 52In Stock	Mfr. Part No. QFS-078-04.25-L-D-A-GP-P Mouser Part No 200-QFS0780425LDAGPP	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	฿735.04 ฿673.06	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-016-04.25-L-D-DP-PC4 Samtec 1: ฿525.46 16In Stock 52Expected 12/2/2026	Mfr. Part No. QFSS-016-04.25-L-D-DP-PC4 Mouser Part No 200-QFSS01604.25LDDP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	16In Stock 52Expected 12/2/2026	฿525.46 ฿489.47 ฿473.14 ฿472.81 View ฿420.50 ฿365.52 ฿330.53 ฿330.20 Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-016-04.25-L-D-DP-A Samtec 1: ฿463.48 68In Stock	Mfr. Part No. QFSS-016-04.25-L-D-DP-A Mouser Part No 200-QFSS0160425LDDPA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	68In Stock	฿463.48 ฿446.49 ฿390.51 ฿390.18 View 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-P Samtec 1: ฿472.48 2In Stock	Mfr. Part No. QFSS-026-04.25-L-D-A-P Mouser Part No 200-QFSS02604.25LDAP	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	2In Stock	฿472.48 ฿472.14 ฿416.83 ฿371.18 View ฿367.19 ฿363.52 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-PC4 Samtec 1: ฿598.43 55In Stock	Mfr. Part No. QFSS-026-04.25-L-D-PC4 Mouser Part No 200-QFSS0260425LDPC4	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	55In Stock	฿598.43 ฿534.12 ฿429.49 ฿401.51 View ฿401.17 ฿375.52 Quote	Min.: 1 Mult.: 1
Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip QFSS-078-04.25-L-D-A Samtec 1: ฿1,043.25 20In Stock	Mfr. Part No. QFSS-078-04.25-L-D-A Mouser Part No 200-QFSS0780425LDA	Samtec	Board to Board & Mezzanine Connectors 0.635 mm Q2 Shielded Ground Plane Socket Strip Learn More about Samtec q2 shielded b2b connectors	Datasheet	20In Stock	฿1,043.25 ฿890.31 ฿710.38 ฿666.73 View ฿566.77 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings 0.635 mm Q2 High-Speed Rugged Ground Plane Terminal Strip QMS-026-09.75-S-D-A Samtec 1: ฿688.72 60In Stock	Mfr. Part No. QMS-026-09.75-S-D-A Mouser Part No 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	฿688.72 ฿672.06 ฿663.40 ฿615.75 View ฿547.11 ฿496.80 ฿485.14 Quote	Min.: 1 Mult.: 1

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Q2™ Shielded Ground Plane Connectors

Types of Connectors