High-Speed Connectors for PCIe, SAS and Board-to-Board Signal Links
LinkManu high-speed connectors support compact PCB interconnect designs where signal integrity, mated height, pin count and mechanical guidance must be reviewed together. This category covers PCIe / SAS connectors, high-speed board-to-board connectors, floating signal connectors and industrial high-speed interconnect options for servers, communication equipment and control systems.
8Gbps / 16Gbps design review
SI simulation support
0.50 / 0.635 / 0.80 mm pitch
Keyword and Page Positioning
This page should not compete directly with the general Board-to-Board Connectors page. The board-to-board page focuses on pitch, stack height and standard PCB mating structures. This High-Speed Connectors page focuses on signal rate, PCIe / SAS use cases, SI simulation, controlled impedance review and high-speed system applications.
Primary SEO Target
high speed connectors and related PCIe connector terms for product-category search intent.
Avoid Cannibalization
Use Board-to-Board Connectors for standard stacking selection; use this page for high-speed signal and protocol-driven applications.
Buyer Intent
Target engineers and sourcing teams reviewing PCIe, SAS, mezzanine, backplane and industrial high-speed signal connectors before sending RFQ.
High-Speed Connector Product Families
The following families are presented conservatively from available source data. Data-rate, mechanical compatibility and stack-height selection should be confirmed by drawing, test requirements and project review.
| Family / Type | Pitch / Interface | Positions | Mated Height / PCB Detail | Source-Supported Signal / Electrical Note | Best-fit Applications |
|---|---|---|---|---|---|
| U.2 / U.3 SFF-8639 PCIe SAS Connector | PCIe / SAS high-speed connector | 29-pin / 68-pin options | Guided mating structure | 12Gbps high-frequency rate; signal terminal current listed as 0.5A per pin | Storage modules, server boards, industrial computing platforms |
| PCIe X16 Edge Card Connector | PCIe X16 slot / edge-card connector | 64 / 96 / 164 positions | For 1.60 mm PCB thickness; larger guide design for insertion | 1A per pin current value under listed temperature condition; plastic temperature resistance listed as 270°C | GPU slots, expansion cards, server and industrial motherboard interfaces |
| 66A2 0.50 mm Power + Signal Floating BTB | 0.50 mm pitch | 20 / 30 / 40 / 60 / 80 / 100 / 120 positions | 8 / 10 / 12 / 14 / 19 / 20 / 25 / 30 mm stack height; XYZ floating amount listed as 0.50 mm | 16Gbps PAM4 performance; power pin current listed as 5A per pin | Compact modules requiring both signal and power contacts |
| 66A3 0.50 mm LSHM Same-Gender BTB | 0.50 mm pitch | 10 / 20 / 30 / 40 / 50 / 60 / 80 / 100 / 120 positions | 5 / 6 / 7 / 8 / 9 / 10 / 12 mm stack height | 25Gbps high-frequency transmission; signal terminal current listed as 0.5A per pin | Mezzanine boards, compact signal modules, high-density board stacking |
| 66A4 0.50 mm QSH / QTS High-Speed BTB | 0.50 mm pitch | 60 / 120 / 180 / 240 / 300 positions | 5–25 mm stack-height range | 16Gbps PAM4 performance for listed high-speed signal BTB series | PCIe-related signal routing, high-speed mezzanine boards, dense PCB systems |
| 66A5 0.50 mm COMe High-Speed Signal BTB | 0.50 mm pitch | 80 / 120 / 160 / 220 positions | 5 / 8 mm stack height | 16Gbps PAM4 performance | COM Express style modules, embedded computing, industrial controllers |
| 66B2 0.635 mm High-Speed BTB | 0.635 mm pitch | 40 / 80 / 120 / 160 / 200 / 240 / 280 / 320 / 360 / 400 pins | 5 mm assembly height; solder-ball technology noted in source data | 56Gbps PAM4 / 28Gbps NRZ application support | High-speed mezzanine links, backplane-style board interfaces, communication equipment |
| 61C4 0.80 mm High-Speed BTB | 0.80 mm pitch | 10 / 20 / 30 / 40 / 50 / 60 / 70 / 80 / 100 / 120 / 150 / 160 / 180 / 200 positions | 7 / 9 / 10 / 12 / 15 / 18 / 22 mm stack height | 56Gbps PAM4 performance | Board-to-board signal links requiring larger pitch and flexible height selection |
Product Image Cards
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U.2 / U.3 SFF-8639 12G Connector
For PCIe / SAS storage and high-speed module interfaces. Source data lists 12Gbps rate and 29-pin / 68-pin options.
66A3 LSHM Same-Gender BTB
Compact 0.50 mm board-to-board series with listed 25Gbps high-frequency transmission and multiple stack-height choices.
66A2 0.50 mm Floating Series
Power + signal floating connector option for compact designs. Source data lists 16Gbps PAM4 and 5A per power pin.
66A4 QSH / QTS High-Speed BTB
0.50 mm high-speed board-to-board family for dense signal applications, with PCIe 4.0 related source data.
66B2 0.635 mm High-Speed BTB
High-speed 0.635 mm connector with 40–400 pin range and listed 56Gbps PAM4 / 28Gbps NRZ application support.
61C4 0.80 mm Series
0.80 mm high-speed board-to-board option with wide stack-height and pin-count choices for industrial PCB systems.
Typical Applications
High-speed connector selection is driven by signal rate, PCB stack-up, mated height, mechanical tolerance and available validation data.
Servers & Storage
PCIe slots, U.2 / U.3 storage connectors, expansion boards and high-speed module interfaces.
Communication Equipment
High-speed mezzanine links, backplane-style signal paths and board modules for networking systems.
Industrial Computing
Compact controller boards, embedded systems and signal modules requiring reliable high-density PCB mating.
High-Speed Board Stacking
0.50 mm, 0.635 mm and 0.80 mm pitch board-to-board connectors for dense PCB assemblies.
Engineering Support: SI Simulation and Mechanical Review
For high-speed connectors, the connector itself is only one part of the channel. PCB layout, stack-up, grounding, connector footprint and cable / board environment all affect performance. LinkManu can support project review around 8Gbps / 16Gbps class design targets and higher-speed families when source data and customer requirements are available.
Review Checklist
- Target protocol or signal rate: PCIe, SAS or customer-defined high-speed link
- Required pitch, pin count, mated height and mating direction
- Differential impedance and SI simulation requirements
- Floating tolerance, guide structure and vibration environment
- Drawing, datasheet, STEP model and sample validation needs
Quality Control and RFQ Information
High-speed connector procurement should be handled as an engineering project, not only a catalog search. Share your target data rate, PCB layout constraints and current connector reference so the correct family can be reviewed.
Drawing-Based Review
Send existing part number, 2D drawing, PCB thickness, footprint or mating height requirement for engineering comparison.
Material and Process Questions
Ask for material, plating, packaging and sample availability during RFQ. Do not assume unlisted specifications.
Validation Before Mass Production
For PCIe, SAS and other high-speed applications, confirm samples, mechanical fit and SI requirements before final approval.
Related Products
Build a clear internal-link path from standard connector categories to high-speed and RFQ pages.
FAQ
Answers for engineers and sourcing teams reviewing high-speed signal connectors.
What is the difference between High-Speed Connectors and general Board-to-Board Connectors?
General board-to-board connectors are usually selected by pitch, stack height, pin count and mating direction. High-speed connectors require additional review around signal rate, impedance, crosstalk, insertion loss, grounding and SI simulation.
Can LinkManu review connectors for 8Gbps or 16Gbps applications?
Yes. For 8Gbps / 16Gbps design targets, send your protocol, PCB stack-up, connector reference, mated height and validation requirements. Source data includes selected series with 16Gbps PAM4 performance, while final approval should be based on your project testing.
Do you provide PCIe connector options?
The available source data includes PCIe X16 edge-card style connectors, U.2 / U.3 SFF-8639 PCIe SAS connectors, and high-speed board-to-board series with PCIe-related application notes. Send your pin count and mechanical drawing for review.
Can you provide Samtec, Molex, HRS or TE replacements?
Selected pin-compatible alternatives may be reviewed, but LinkManu does not describe them as perfect replacements. Compatibility must be confirmed by drawing, footprint, mating height, electrical requirements and customer validation.
What should I send with an RFQ?
Please send the target connector type, current part number if available, pin count, pitch, mated height, PCB thickness, signal rate, application environment, drawing or STEP requirement, sample quantity and expected production volume.
Need a High-Speed Connector Review?
Send your PCIe, SAS, mezzanine or high-speed board-to-board connector requirements. LinkManu can review pitch, pin count, mated height, signal-rate target, selected pin-compatible alternatives and sample needs.
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