SpeedStack Mezzanine Connector System

Molex SpeedStack Mezzanine Connector System offers a high-density, low-profile solution that delivers data rates up to 40Gbps per differential pair. With mated stack heights of 4mm to 10mm with a 0.80mm pitch, these connectors provide design flexibility for PCB space-constrained applications. The narrow housing design minimizes airflow obstructions and promotes system cooling. Molex SpeedStack Mezzanine Connector System utilizes a split-pad PCB design that allows for electrical tuning performance and provides edge card compatibility. The robust insert-molded wafer design with protected shrouded housing supports the terminal location to improve electrical balance within the signals for low-profile, high-density systems. In addition, a common grounding pin improves electrical performance and minimizes crosstalk. 

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Description Datasheet Availability Pricing (DKK) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Number of Positions
Pitch
Number of Rows
Termination Style
Mounting Angle
Stack Height
Current Rating
Voltage Rating
Minimum Operating Temperature
Maximum Operating Temperature
Contact Plating
Contact Material
Housing Material
Series
Packaging
Molex Board to Board & Mezzanine Connectors SpeedStack SE Vert Plug 2.9mm Ht 22Ckt
Datasheet
1.149In Stock
Min.: 1
Mult.: 1
: 500

Headers 22 Position 0.8 mm (0.031 in) 2 Row Solder Vertical 2.9 mm 800 mA 5 VAC - 40 C + 105 C Gold Copper Liquid Crystal Polymer (LCP) 171810 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SpeedStack Vrt Plg 2.9mm Ht 60Ckt
Datasheet
703In Stock
Min.: 1
Mult.: 1
: 500

Plugs 60 Position 0.8 mm (0.031 in) 2 Row Solder Vertical 2.9 mm 800 mA 5 V - 40 C + 105 C Gold Copper Liquid Crystal Polymer (LCP) 171446 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SpeedStack Vrt Plg 0.9mm Ht 60Ckt
Datasheet
588In Stock
Min.: 1
Mult.: 1
: 3.600

Headers 60 Position 0.8 mm (0.031 in) 2 Row Solder Vertical 0.9 mm 800 mA 5 V - 40 C + 105 C Gold Copper Liquid Crystal Polymer (LCP) 171446 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SPEEDSTACK RECEPT 60 CKT, 4mm
Datasheet
68In Stock
2.800Expected 21/07/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2.800

Receptacles 60 Position 0.8 mm (0.031 in) 2 Row Solder Vertical 5 mm, 6 mm, 7 mm, 8mm 800 mA 29.9 VAC - 40 C + 105 C Gold Copper Liquid Crystal Polymer (LCP) 171450 Reel, Cut Tape, MouseReel
Molex Board to Board & Mezzanine Connectors SpeedStack Vert Plug 1.9mm Ht 60Ckt
Datasheet
39In Stock
Min.: 1
Mult.: 1
: 400

Headers 60 Position 0.8 mm (0.031 in) 2 Row Solder Vertical 1.9 mm 800 mA 5 V - 40 C + 105 C Gold Copper Liquid Crystal Polymer (LCP) 171446 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SpeedStack 22ckt Rcpt
Datasheet
4.800Expected 05/08/2026
Min.: 1
Mult.: 1
: 4.800

Receptacles 22 Position 0.8 mm (0.031 in) 2 Row Solder Vertical 5 mm, 6 mm, 7 mm, 8mm 800 mA 29.9 VAC - 40 C + 105 C Gold Copper Liquid Crystal Polymer (LCP) 171450 Reel, Cut Tape
Molex Board to Board & Mezzanine Connectors SpeedStack Vert Plug 1.9mm Ht 22Ckt
Datasheet
Non-Stocked
Min.: 4.000
Mult.: 4.000
: 800

Headers 22 Position 0.8 mm (0.031 in) 2 Row Solder Vertical 1.9 mm 800 mA 5 V - 40 C + 105 C Gold Copper Liquid Crystal Polymer (LCP) 171446 Reel
Molex Board to Board & Mezzanine Connectors SpeedStack Vrt Plg 3.9mm Ht 60Ckt
Datasheet
Non-Stocked
Min.: 2.000
Mult.: 2.000

60 Position 0.8 mm (0.031 in) 2 Row Vertical 800 mA 5 V - 40 C + 105 C Gold 171446
Molex Board to Board & Mezzanine Connectors SpeedStack Vertical Receptacle, 0.80mm Pitch, 4.10mm Height, 82 Circuits, UL94V-0, Black
Datasheet
Non-Stocked
Min.: 1.800
Mult.: 1.800
171450
Molex 171450-5105
Molex Board to Board & Mezzanine Connectors SPEEDSTACK RECEPT 60 CKT 3mm Non-Stocked
Min.: 2.800
Mult.: 2.800

171450