Board to Board & Mezzanine Connectors

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AcceleRate® HD Ultra-Dense Mezzanine Strips

Samtec AcceleRate^® HD Ultra-Dense Mezzanine Strips feature a low-profile 5mm stack height, slim 5mm width, and a 0.635mm pitch. These micro interconnects are super dense with up to 400 total inputs/outputs (I/Os). The four-row design allows 10 to 100 positions per row. Samtec AcceleRate HD header and socket connectors are PCIe^® 6.0/CXL^® 3.2 capable, support 64Gbps PAM4 (32Gbps NRZ) applications, and feature an Edge Rate^® contact system that is optimized for signal integrity performance. The open-pin-field design offers grounding and routing flexibility.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Number of Positions	Pitch	Number of Rows	Termination Style	Mounting Angle	Stack Height	Current Rating	Voltage Rating	Maximum Data Rate	Minimum Operating Temperature	Maximum Operating Temperature	Contact Plating	Contact Material	Housing Material	Data Rate	Series	Packaging
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-30-03.5-L-4-0-A-TR Samtec 1: £16.73 428In Stock New Product	Mfr. Part No. ADM6-30-03.5-L-4-0-A-TR Mouser Part No 200-ADM63003.5L40ATR New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	428In Stock	Cut Tape £16.73 Reel £15.04 View Quote	Min.: 1 Mult.: 1 : 500																	ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-10-03.5-L-4-0-A-TR Samtec 1: £8.69 2,097In Stock	Mfr. Part No. ADM6-10-03.5-L-4-0-A-TR Mouser Part No 200-ADM610035L40ATR	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	2,097In Stock	Cut Tape £8.69 £8.02 £7.59 £7.32 Reel £6.75 View £6.75 £5.75 Quote	Min.: 1 Mult.: 1 : 650	Plugs	40 Position	0.635 mm (0.025 in)	4 Row	Solder Balls	Straight	4.9 mm	1.34 A	155 VAC, 219 VDC	64 Gbps	- 55 C	+ 125 C	Gold	Copper Alloy	Liquid Crystal Polymer (LCP)	64 Gbps	ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors .635MM ACCELERATE HD TERMINAL Samtec ADM6-50-03.5-L-4-0-A-TR ADM6-50-03.5-L-4-0-A-TR Samtec 1: £23.73 426In Stock New Product	Mfr. Part No. ADM6-50-03.5-L-4-0-A-TR Mouser Part No 200-ADM65003.5L40ATR New Product	Samtec	Board to Board & Mezzanine Connectors .635MM ACCELERATE HD TERMINAL	Datasheet	426In Stock	Cut Tape £23.73 Reel £23.73 Quote Quote	Min.: 1 Mult.: 1 : 500																	ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket ADF6-100-07.5-L-4-0-A-TR Samtec 1: £35.08 94In Stock New Product	Mfr. Part No. ADF6-100-07.5-L-4-0-A-TR Mouser Part No 200-ADF610007.5L40AT New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket Learn More about Samtec accelerate hd mezzanine strips	Datasheet	94In Stock	Cut Tape £35.08 £29.81 £28.48 Reel £24.20	Min.: 1 Mult.: 1 : 100	Connectors	100 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADF6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket ADF6-100-07.5-S-4-0-A-TR Samtec 1: £38.48 80In Stock New Product	Mfr. Part No. ADF6-100-07.5-S-4-0-A-TR Mouser Part No 200-ADF610007.5S40AT New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket Learn More about Samtec accelerate hd mezzanine strips	Datasheet	80In Stock	Cut Tape £38.48 £32.70 £31.51 £31.50 Reel £26.77	Min.: 1 Mult.: 1 : 400	Connectors	100 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADF6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket ADF6-70-07.5-L-4-0-A-TR Samtec 1: £24.23 100In Stock New Product	Mfr. Part No. ADF6-70-07.5-L-4-0-A-TR Mouser Part No 200-ADF67007.5L40ATR New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket Learn More about Samtec accelerate hd mezzanine strips	Datasheet	100In Stock	Cut Tape £24.23 £20.59 £19.30 £19.01 £19.00 Reel £16.14	Min.: 1 Mult.: 1 : 400	Connectors	70 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADF6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket ADF6-70-07.5-S-4-0-A-TR Samtec 1: £27.80 100In Stock New Product	Mfr. Part No. ADF6-70-07.5-S-4-0-A-TR Mouser Part No 200-ADF67007.5S40ATR New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket Learn More about Samtec accelerate hd mezzanine strips	Datasheet	100In Stock	Cut Tape £27.80 £23.62 £22.15 £22.08 £22.07 Reel £18.76	Min.: 1 Mult.: 1 : 400	Connectors	70 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADF6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket ADF6-80-07.5-L-4-0-A-TR Samtec 1: £27.36 99In Stock New Product	Mfr. Part No. ADF6-80-07.5-L-4-0-A-TR Mouser Part No 200-ADF68007.5L40ATR New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket Learn More about Samtec accelerate hd mezzanine strips	Datasheet	99In Stock	Cut Tape £27.36 £23.26 £21.80 £21.70 £21.69 Reel £18.45	Min.: 1 Mult.: 1 : 400	Connectors	80 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADF6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket ADF6-80-07.5-S-4-0-A-TR Samtec 1: £31.39 95In Stock New Product	Mfr. Part No. ADF6-80-07.5-S-4-0-A-TR Mouser Part No 200-ADF68007.5S40ATR New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket Learn More about Samtec accelerate hd mezzanine strips	Datasheet	95In Stock	Cut Tape £31.39 £26.68 £25.23 £25.22 Reel £21.42	Min.: 1 Mult.: 1 : 400	Connectors	80 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADF6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket ADF6-90-07.5-L-4-0-A-TR Samtec 1: £30.47 100In Stock New Product	Mfr. Part No. ADF6-90-07.5-L-4-0-A-TR Mouser Part No 200-ADF69007.5L40ATR New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket Learn More about Samtec accelerate hd mezzanine strips	Datasheet	100In Stock	Cut Tape £30.47 £25.89 £24.41 £24.40 Reel £20.73	Min.: 1 Mult.: 1 : 400	Connectors	90 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADF6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket ADF6-90-07.5-S-4-0-A-TR Samtec 1: £34.95 100In Stock New Product	Mfr. Part No. ADF6-90-07.5-S-4-0-A-TR Mouser Part No 200-ADF69007.5S40ATR New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket Learn More about Samtec accelerate hd mezzanine strips	Datasheet	100In Stock	Cut Tape £34.95 £29.71 £28.36 Reel £24.10	Min.: 1 Mult.: 1 : 400	Connectors	90 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADF6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-100-08.5-L-4-0-A-TR Samtec 1: £38.04 302In Stock New Product	Mfr. Part No. ADM6-100-08.5-L-4-0-A-TR Mouser Part No 200-ADM610008.5L40AT New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	302In Stock	Cut Tape £38.04 £32.33 £31.11 £31.10 Reel £26.43	Min.: 1 Mult.: 1 : 300	Connectors	100 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-100-08.5-S-4-0-A-TR Samtec 1: £43.49 93In Stock New Product	Mfr. Part No. ADM6-100-08.5-S-4-0-A-TR Mouser Part No 200-ADM610008.5S40AT New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	93In Stock	Cut Tape £43.49 £36.97 £36.25 £36.24 Reel £30.80	Min.: 1 Mult.: 1 : 300	Connectors	100 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-20-08.5-L-4-0-A-TR Samtec 1: £12.82 217In Stock New Product	Mfr. Part No. ADM6-20-08.5-L-4-0-A-TR Mouser Part No 200-ADM620085L40ATR New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	217In Stock	Cut Tape £12.82 £12.62 £12.49 £12.41 £12.02 Reel £12.00	Min.: 1 Mult.: 1 : 225																	ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-70-08.5-L-4-0-A-TR Samtec 1: £27.47 243In Stock New Product	Mfr. Part No. ADM6-70-08.5-L-4-0-A-TR Mouser Part No 200-ADM67008.5L40ATR New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	243In Stock	Cut Tape £27.47 £23.35 £21.89 £21.80 Reel £18.53	Min.: 1 Mult.: 1 : 300	Connectors	70 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-70-08.5-S-4-0-A-TR Samtec 1: £31.59 100In Stock New Product	Mfr. Part No. ADM6-70-08.5-S-4-0-A-TR Mouser Part No 200-ADM67008.5S40ATR New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	100In Stock	Cut Tape £31.59 £26.85 £25.40 Reel £21.57	Min.: 1 Mult.: 1 : 300	Connectors	70 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-80-08.5-L-4-0-A-TR Samtec 1: £31.03 89In Stock New Product	Mfr. Part No. ADM6-80-08.5-L-4-0-A-TR Mouser Part No 200-ADM68008.5L40ATR New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	89In Stock	Cut Tape £31.03 £26.37 £24.91 £24.90 Reel £21.15	Min.: 1 Mult.: 1 : 300	Connectors	80 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-80-08.5-S-4-0-A-TR Samtec 1: £35.68 89In Stock New Product	Mfr. Part No. ADM6-80-08.5-S-4-0-A-TR Mouser Part No 200-ADM68008.5S40ATR New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	89In Stock	Cut Tape £35.68 £30.33 £29.02 £29.01 Reel £24.65	Min.: 1 Mult.: 1 : 300	Connectors	80 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-90-08.5-L-4-0-A-TR Samtec 1: £34.55 67In Stock New Product	Mfr. Part No. ADM6-90-08.5-L-4-0-A-TR Mouser Part No 200-ADM69008.5L40ATR New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	67In Stock	Cut Tape £34.55 £29.37 £28.01 Reel £23.80	Min.: 1 Mult.: 1 : 300	Connectors	90 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-90-08.5-S-4-0-A-TR Samtec 1: £39.72 100In Stock New Product	Mfr. Part No. ADM6-90-08.5-S-4-0-A-TR Mouser Part No 200-ADM69008.5S40ATR New Product	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	100In Stock	Cut Tape £39.72 £33.77 £32.63 £32.62 Reel £27.73	Min.: 1 Mult.: 1 : 300	Connectors	90 Position	0.635 mm (0.025 in)	4 Row	Solder	Straight							Gold	Copper Alloy	Liquid Crystal Polymer (LCP)		ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket ADF6-20-07.5-L-4-0-A-TR Samtec 1: £9.89 607In Stock	Mfr. Part No. ADF6-20-07.5-L-4-0-A-TR Mouser Part No 200-ADF62007.5L40ATR	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Socket Learn More about Samtec accelerate hd mezzanine strips	Datasheet	607In Stock	Cut Tape £9.89 £9.36 £9.02 £8.97 View Reel £6.15 £7.38 £7.11 £6.15	Min.: 1 Mult.: 1 : 525	Sockets	80 Position	0.635 mm (0.025 in)	4 Row	Solder Balls	Straight	7.23 mm	1.34 A	155 VAC, 219 VDC	64 Gbps	- 55 C	+ 125 C	Gold	Copper Alloy	Liquid Crystal Polymer (LCP)	64 Gbps	ADF6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-20-01.5-L-4-0-A-TR Samtec 1: £10.21 665In Stock 875Expected 16/11/2026	Mfr. Part No. ADM6-20-01.5-L-4-0-A-TR Mouser Part No 200-ADM62001.5L40ATR	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	665In Stock 875Expected 16/11/2026	Cut Tape £10.21 £9.66 £9.43 £9.42 View Reel £6.23 £8.76 £8.13 £6.38 £6.23	Min.: 1 Mult.: 1 : 875	Plugs	80 Position	0.635 mm (0.025 in)	4 Row	Solder Balls	Straight	2.9 mm	1.34 A	155 VAC, 219 VDC	64 Gbps	- 55 C	+ 125 C	Gold	Copper Alloy	Liquid Crystal Polymer (LCP)	64 Gbps	ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-50-01.5-L-4-0-A-TR Samtec 1: £17.20 716In Stock 875Expected 21/12/2026	Mfr. Part No. ADM6-50-01.5-L-4-0-A-TR Mouser Part No 200-ADM65001.5L40ATR	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	716In Stock 875Expected 21/12/2026	Cut Tape £17.20 £16.28 £15.99 £15.60 View Reel £10.69 £12.81 £11.88 £10.69 £10.69	Min.: 1 Mult.: 1 : 875	Plugs	200 Position	0.635 mm (0.025 in)	4 Row	Solder Balls	Straight	2.9 mm	1.34 A	155 VAC, 219 VDC	64 Gbps	- 55 C	+ 125 C	Gold	Copper Alloy	Liquid Crystal Polymer (LCP)	64 Gbps	ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-60-03.5-L-4-0-A-TR Samtec 1: £15.64 544In Stock 500Expected 14/12/2026	Mfr. Part No. ADM6-60-03.5-L-4-0-A-TR Mouser Part No 200-ADM66003.5L40ATR	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	544In Stock 500Expected 14/12/2026	Cut Tape £15.64 £13.30 £12.47 £11.99 Reel £11.99	Min.: 1 Mult.: 1 : 500	Plugs	240 Position	0.635 mm (0.025 in)	4 Row	Solder Balls	Straight	4.9 mm	1.34 A	155 VAC, 219 VDC	64 Gbps	- 55 C	+ 125 C	Gold	Copper Alloy	Liquid Crystal Polymer (LCP)	64 Gbps	ADM6	Reel, Cut Tape
Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal ADM6-60-08.5-L-4-0-A-TR Samtec 1: £20.40 113In Stock	Mfr. Part No. ADM6-60-08.5-L-4-0-A-TR Mouser Part No 200-ADM66008.5L40ATR	Samtec	Board to Board & Mezzanine Connectors 0.635 mm AcceleRate HD High-Density 4-Row Terminal Learn More about Samtec accelerate hd mezzanine strips	Datasheet	113In Stock	Cut Tape £20.40 £19.23 £18.44 £17.99 £15.43 Reel £15.43	Min.: 1 Mult.: 1 : 225	Plugs	240 Position	0.635 mm (0.025 in)	4 Row	Solder Balls	Straight	9.9 mm	1.34 A	155 VAC, 219 VDC	64 Gbps	- 55 C	+ 125 C	Gold	Copper Alloy	Liquid Crystal Polymer (LCP)	64 Gbps	ADM6	Reel, Cut Tape

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