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High-Speed Solutions

Molex High-Speed Solutions meet the most stringent high-speed performance requirements. The broad connector portfolio supports a wide range of data rates in multiple sizes and shapes. High-speed interconnect solutions provide the flexibility and scalability required to meet the demands of next-generation systems.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Plug, 0.4mm Pit., J-Bend Series, 0.20 m Gold (Au) Pltg, 1.50 or 1.8mm Mated Ht., 3.40 or 4.2mm Mated Width, 40 Pos. 55909-0474 Molex 1: £2.24 24,900In Stock	Mfr. Part No. 55909-0474 Mouser Part No 538-55909-0474	Molex	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Plug, 0.4mm Pit., J-Bend Series, 0.20 m Gold (Au) Pltg, 1.50 or 1.8mm Mated Ht., 3.40 or 4.2mm Mated Width, 40 Pos. Learn More about Molex slimstack	Datasheet	24,900In Stock	Cut Tape £2.24 £1.90 £1.79 £1.76 View Reel £1.36 £1.69 £1.58 £1.53 £1.36 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Recept., 0.4mm Pit., HRF (High Retention Force) Series, 0.7mm Mated Ht., 2.6 Mated Width, 6 Pos. 503548-0622 Molex 1: £0.398 67,630In Stock	Mfr. Part No. 503548-0622 Mouser Part No 538-503548-0622	Molex	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Recept., 0.4mm Pit., HRF (High Retention Force) Series, 0.7mm Mated Ht., 2.6 Mated Width, 6 Pos. Learn More about Molex slimstack	Datasheet	67,630In Stock	Cut Tape £0.398 £0.34 £0.303 £0.292 Reel £0.292 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
	Board to Board & Mezzanine Connectors 0.5mm Pit. SlimStack Recept., SMT, Dual Row, Vert., 3.00 and 4mm Stacking Ht.s, Lower Circuit Size Version, White, 40 Pos. 52991-0408 Molex 1: £2.81 22,184In Stock	Mfr. Part No. 52991-0408 Mouser Part No 538-52991-0408	Molex	Board to Board & Mezzanine Connectors 0.5mm Pit. SlimStack Recept., SMT, Dual Row, Vert., 3.00 and 4mm Stacking Ht.s, Lower Circuit Size Version, White, 40 Pos. Learn More about Molex slimstack	Datasheet	22,184In Stock	Cut Tape £2.81 £2.43 £2.17 £2.07 Reel £1.62 View £1.94 £1.85 £1.77 £1.57 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	I/O Connectors zSFP+ Assy., R/A, SMT, 20 Pos., 0.76 m Gold (Au), Gold Flash Plated Tails 170382-0003 Molex 1: £4.54 5,514In Stock	Mfr. Part No. 170382-0003 Mouser Part No 538-170382-0003	Molex	I/O Connectors zSFP+ Assy., R/A, SMT, 20 Pos., 0.76 m Gold (Au), Gold Flash Plated Tails Learn More about Molex zsfp	Datasheet	5,514In Stock	Cut Tape £4.54 £4.13 £3.91 £3.82 Reel £3.08 View £3.64 £3.19 £2.34 MouseReel Available	Min.: 1 Mult.: 1 : 480
	Board to Board & Mezzanine Connectors SpeedStack Vert. Recept., 0.8mm Pit., 4.1mm Ht., 22 Pos., UL94V-0, Black 171450-5102 Molex 1: £6.33 4,083In Stock 4,800Expected 01/04/2027	Mfr. Part No. 171450-5102 Mouser Part No 538-171450-5102	Molex	Board to Board & Mezzanine Connectors SpeedStack Vert. Recept., 0.8mm Pit., 4.1mm Ht., 22 Pos., UL94V-0, Black Learn More about Molex _speedstack_mezzanine	Datasheet	4,083In Stock 4,800Expected 01/04/2027	Cut Tape £6.33 £5.73 £5.41 £5.28 View Reel £4.23 £5.01 £4.57 £4.23 £4.23	Min.: 1 Mult.: 1 : 4,800
	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Recept., 0.35mm Pit., SSB RP Series, 0.90 or 1mm Mated Ht., 2mm Mated Width, 34 Pos. 505413-3410 Molex 1: £0.436 38,607In Stock	Mfr. Part No. 505413-3410 Mouser Part No 538-505413-3410	Molex	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Recept., 0.35mm Pit., SSB RP Series, 0.90 or 1mm Mated Ht., 2mm Mated Width, 34 Pos. Learn More about Molex slimstack armor	Datasheet	38,607In Stock	Cut Tape £0.436 £0.382 £0.351 £0.337 £0.31 Reel £0.31 MouseReel Available	Min.: 1 Mult.: 1 : 7,000
	Board to Board & Mezzanine Connectors SpeedStack Vert. Recept., 0.8mm Pit., 4.1mm Ht., 60 Pos., UL94V-0, Black 171450-5106 Molex 1: £7.14 2,863In Stock	Mfr. Part No. 171450-5106 Mouser Part No 538-171450-5106	Molex	Board to Board & Mezzanine Connectors SpeedStack Vert. Recept., 0.8mm Pit., 4.1mm Ht., 60 Pos., UL94V-0, Black Learn More about Molex _speedstack_mezzanine	Datasheet	2,863In Stock	Cut Tape £7.14 £6.43 £6.23 Reel £6.23 MouseReel Available	Min.: 1 Mult.: 1 : 2,800
	Board to Board & Mezzanine Connectors 0.5mm Pit. SlimStack Recept., SMT, Dual Row, Vert., 2.5mm Stacking Ht., Gold Pltg w/ Nickel Barrier, 80 Pos. 54102-0804 Molex 1: £3.45 5,663In Stock	Mfr. Part No. 54102-0804 Mouser Part No 538-54102-0804	Molex	Board to Board & Mezzanine Connectors 0.5mm Pit. SlimStack Recept., SMT, Dual Row, Vert., 2.5mm Stacking Ht., Gold Pltg w/ Nickel Barrier, 80 Pos.	Datasheet	5,663In Stock	Cut Tape £3.45 £3.33 £3.28 £3.25 View Reel £2.50 £3.20 £3.11 £3.06 £2.74 £2.50 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 6.00 or 12mm Mated Ht., 6.4mm Mated Width, 140 Pos. 55091-1474 Molex 1: £11.94 1,495In Stock	Mfr. Part No. 55091-1474 Mouser Part No 538-55091-1474	Molex	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 6.00 or 12mm Mated Ht., 6.4mm Mated Width, 140 Pos. Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	1,495In Stock	Cut Tape £11.94 £11.93 £11.57 £11.14 View Reel £7.70 £10.56 £9.72 £9.71 £7.70 Quote	Min.: 1 Mult.: 1 : 1,000
	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Plug, 0.4mm Pit., SMT, Dual Row, Vert. Stacking, 1mm Stacking Ht., w/ Solder Tabs, 40 Pos. 502430-4012 Molex 1: £1.18 39,904In Stock	Mfr. Part No. 502430-4012 Mouser Part No 538-50243-04012	Molex	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Plug, 0.4mm Pit., SMT, Dual Row, Vert. Stacking, 1mm Stacking Ht., w/ Solder Tabs, 40 Pos. Learn More about Molex slimstack	Datasheet	39,904In Stock	Cut Tape £1.18 £1.03 £0.986 £0.925 £0.882 Reel £0.882	Min.: 1 Mult.: 1 : 7,000
	Board to Board & Mezzanine Connectors 0.5mm Pit. SlimStack Plug, SMT, Dual Row, Vert., 3mm Stack Ht., 40 Pos., w/o Vacuum Pick-up Tape 53748-0408 Molex 1: £1.63 27,458In Stock	Mfr. Part No. 53748-0408 Mouser Part No 538-53748-0408	Molex	Board to Board & Mezzanine Connectors 0.5mm Pit. SlimStack Plug, SMT, Dual Row, Vert., 3mm Stack Ht., 40 Pos., w/o Vacuum Pick-up Tape Learn More about Molex slimstack	Datasheet	27,458In Stock	Cut Tape £1.63 £1.58 Reel £1.58 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Recept., 0.4mm Pit., SMT, Dual Row, Vert., 1mm Stacking Ht., w/ Solder Tabs, 8 Pos. 502426-0812 Molex 1: £0.653 62,333In Stock	Mfr. Part No. 502426-0812 Mouser Part No 538-50242-60812	Molex	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Recept., 0.4mm Pit., SMT, Dual Row, Vert., 1mm Stacking Ht., w/ Solder Tabs, 8 Pos. Learn More about Molex slimstack	Datasheet	62,333In Stock	Cut Tape £0.653 £0.567 £0.518 £0.468 View Reel £0.409 £0.427 £0.409 £0.409	Min.: 1 Mult.: 1 : 7,000
	Board to Board & Mezzanine Connectors 0.5mm Pit. SlimStack Plug, SMT, Dual Row, Vert., 3mm Stack Ht., 50 Pos., w/ Vacuum Pick-up Tape 53748-0504 Molex 1: £3.48 16,584In Stock	Mfr. Part No. 53748-0504 Mouser Part No 538-53748-0504	Molex	Board to Board & Mezzanine Connectors 0.5mm Pit. SlimStack Plug, SMT, Dual Row, Vert., 3mm Stack Ht., 50 Pos., w/ Vacuum Pick-up Tape Learn More about Molex high speed solutions	Datasheet	16,584In Stock	Cut Tape £3.48 £2.97 £2.65 £2.52 View Reel £1.97 £2.37 £2.28 £2.20 £1.97 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 7 or 13mm Mated Ht., 6.4mm Mated Width, 60 Pos. 53625-0674 Molex 1: £5.38 507In Stock	Mfr. Part No. 53625-0674 Mouser Part No 538-53625-0674	Molex	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 7 or 13mm Mated Ht., 6.4mm Mated Width, 60 Pos. Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	507In Stock	Cut Tape £5.38 £4.86 £4.59 £4.48 View Reel £3.12 £4.26 £3.82 £3.68 £3.12	Min.: 1 Mult.: 1 : 1,000
	Ethernet Cables / Networking Cables zQSFP+-to-zQSFP+ Cable Assy., 30 AWG, 1.50m Lg. 100297-1151 Molex 1: £33.34 44In Stock	Mfr. Part No. 100297-1151 Mouser Part No 538-100297-1151	Molex	Ethernet Cables / Networking Cables zQSFP+-to-zQSFP+ Cable Assy., 30 AWG, 1.50m Lg. Learn More about Molex 28gbps cable assemblies	Datasheet	44In Stock	£33.34 £33.24 £33.23	Min.: 1 Mult.: 1
	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Recept., 0.4mm Pit., SMT, Dual Row, Vert., 1mm Stacking Ht., w/ Solder Tabs, w/ Vacuum Tape, 70 Pos. 502426-7030 Molex 1: £2.44 5,474In Stock	Mfr. Part No. 502426-7030 Mouser Part No 538-502426-7030	Molex	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Recept., 0.4mm Pit., SMT, Dual Row, Vert., 1mm Stacking Ht., w/ Solder Tabs, w/ Vacuum Tape, 70 Pos. Learn More about Molex high speed solutions	Datasheet	5,474In Stock	Cut Tape £2.44 £2.22 £2.10 £1.96 View Reel £1.32 £1.70 £1.66 £1.55 £1.32 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 9 or 15mm Mated Ht., 6.4mm Mated Width, 30 Pos. 53649-0374 Molex 1: £2.71 3,009In Stock	Mfr. Part No. 53649-0374 Mouser Part No 538-53649-0374	Molex	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 9 or 15mm Mated Ht., 6.4mm Mated Width, 30 Pos. Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	3,009In Stock	Cut Tape £2.71 £2.30 £2.06 £1.96 Reel £1.57 View £1.84 £1.69 £1.48 MouseReel Available	Min.: 1 Mult.: 1 : 760
	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 7 or 13mm Mated Ht., 6.4mm Mated Width, 50 Pos. 53625-0574 Molex 1: £5.31 487In Stock 3,000Expected 19/11/2026	Mfr. Part No. 53625-0574 Mouser Part No 538-53625-0574	Molex	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 7 or 13mm Mated Ht., 6.4mm Mated Width, 50 Pos. Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	487In Stock 3,000Expected 19/11/2026	Cut Tape £5.31 £4.86 £4.39 £4.25 Reel £2.98 View £4.04 £3.61 £3.51 £2.87 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
	High Speed/Modular Connectors Impact 100 Ohm 4 Pair Vert. Backplane Header, Unguided, Open Endwall, 16 Columns, 192 Pos., Pin Lg. 4.9mm, Plated TH Dimension 0.39mm, Lead-Free 76155-1607 Molex 1: £22.58 496In Stock	Mfr. Part No. 76155-1607 Mouser Part No 538-76155-1607	Molex	High Speed/Modular Connectors Impact 100 Ohm 4 Pair Vert. Backplane Header, Unguided, Open Endwall, 16 Columns, 192 Pos., Pin Lg. 4.9mm, Plated TH Dimension 0.39mm, Lead-Free Learn More about Molex impact backplane connectors	Datasheet	496In Stock	£22.58 £19.18 £17.98 £17.13 View £16.26 £15.50 £15.22 Quote	Min.: 1 Mult.: 1
	Board to Board & Mezzanine Connectors 0.5mm Pit. SlimStack Recept., SMT, Dual Row, Vert., 3.00 and 4mm Stacking Ht.s, Lower Circuit Size Version, White, 50 Pos. 52991-0508 Molex 1: £5.05 4,591In Stock	Mfr. Part No. 52991-0508 Mouser Part No 538-52991-0508	Molex	Board to Board & Mezzanine Connectors 0.5mm Pit. SlimStack Recept., SMT, Dual Row, Vert., 3.00 and 4mm Stacking Ht.s, Lower Circuit Size Version, White, 50 Pos. Learn More about Molex high speed solutions	Datasheet	4,591In Stock	Cut Tape £5.05 £4.30 £4.02 £3.83 View Reel £3.37 £3.65 £3.60 £3.37 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Board to Board & Mezzanine Connectors 0.5mm Pit. SlimStack Plug, SMT, Dual Row, Vert., 2.5mm Stack Ht., w/out Solder Tab, 60 Pos. 53885-0608 Molex 1: £3.43 9,211In Stock	Mfr. Part No. 53885-0608 Mouser Part No 538-53885-0608	Molex	Board to Board & Mezzanine Connectors 0.5mm Pit. SlimStack Plug, SMT, Dual Row, Vert., 2.5mm Stack Ht., w/out Solder Tab, 60 Pos. Learn More about Molex high speed solutions	Datasheet	9,211In Stock	Cut Tape £3.43 £2.92 £2.60 £2.48 View Reel £1.95 £2.32 £2.23 £2.22 £1.95 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Board to Board & Mezzanine Connectors 0.5mm Pit. SlimStack Recept., SMT, Dual Row, Vert., 1.5mm Stacking Ht., Lower Circuit Size Version, 20 Pos., Gold Pltg w/ Nickel Barrier Pltg Between Contact and Tail 54722-0204 Molex 1: £1.15 11,961In Stock	Mfr. Part No. 54722-0204 Mouser Part No 538-54722-0204	Molex	Board to Board & Mezzanine Connectors 0.5mm Pit. SlimStack Recept., SMT, Dual Row, Vert., 1.5mm Stacking Ht., Lower Circuit Size Version, 20 Pos., Gold Pltg w/ Nickel Barrier Pltg Between Contact and Tail Learn More about Molex high speed solutions	Datasheet	11,961In Stock	Cut Tape £1.15 £1.08 £1.04 £0.995 Reel £0.882 View £0.943 £0.866 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Recept., 0.4mm Pit., J-Bend Series, 0.20 m Gold (Au) Pltg, 1.50 or 2mm Mated Ht., 3.4mm Mated Width, 80 Pos. 51338-0874 Molex 1: £2.29 11,515In Stock	Mfr. Part No. 51338-0874 Mouser Part No 538-51338-0874	Molex	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Recept., 0.4mm Pit., J-Bend Series, 0.20 m Gold (Au) Pltg, 1.50 or 2mm Mated Ht., 3.4mm Mated Width, 80 Pos. Learn More about Molex high speed solutions	Datasheet	11,515In Stock	Cut Tape £2.29 £1.96 £1.75 £1.66 Reel £1.42 View £1.55 £1.50 £1.43 £1.39 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 8 or 14mm Mated Ht., 6.4mm Mated Width, 160 Pos. 53647-1674 Molex 1: £6.20 1,061In Stock	Mfr. Part No. 53647-1674 Mouser Part No 538-53647-1674	Molex	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Conn., 0.635mm Pit., 0.635 Series, Plug, 8 or 14mm Mated Ht., 6.4mm Mated Width, 160 Pos. Learn More about Molex slimstack 0635mm b2b connectors	Datasheet	1,061In Stock	Cut Tape £6.20 £5.60 £5.35 £5.22 View Reel £4.70 £5.05 £4.91 £4.80 £4.70	Min.: 1 Mult.: 1 : 750
	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Plug, 0.4mm Pit., J-Bend Series, 0.20 m Gold (Au) Pltg, 1.50 or 1.8mm Mated Ht., 3.40 or 4.2mm Mated Width, 90 Pos. 55909-0974 Molex 1: £3.83 4,292In Stock	Mfr. Part No. 55909-0974 Mouser Part No 538-55909-0974	Molex	Board to Board & Mezzanine Connectors SlimStack Bd-to-Bd Plug, 0.4mm Pit., J-Bend Series, 0.20 m Gold (Au) Pltg, 1.50 or 1.8mm Mated Ht., 3.40 or 4.2mm Mated Width, 90 Pos. Learn More about Molex high speed solutions	Datasheet	4,292In Stock	Cut Tape £3.83 £3.07 £2.92 Reel £2.92 MouseReel Available	Min.: 1 Mult.: 1 : 2,500