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QSFP-DD Interconnect System & Cable Assemblies

Molex QSFP-DD (Double Density) Interconnect System and Cable Assemblies feature an eight-lane electrical interface that transmits up to 28Gbps NRZ or 56Gbps PAM-4, up to 200Gbps or 400Gbps aggregate. QSFP-DD offers the same footprint as QSFP interconnects, making them backward compatible. The double density feature is an extended paddle card with two rows of high-speed context. Molex QSFP-DD meets IEEE 802.3bj, InfiniBand EDR, and SAS 3.0 specifications, allowing these connectors and cable assemblies to function across a variety of next-generation technologies and applications. The series includes sheet metal (stainless steel) EMI cages with increased robustness and cable assemblies in lengths ranging from 500mm to 2.5m.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) Filter the results in the table by unit price based on your quantity.	Qty.
I/O Connectors QSFP-DD Assy., Stacked 2x1, Closed Top 204058-8113 Molex 1: CHF 66.47 45In Stock	Mfr. Part No. 204058-8113 Mouser Part No 538-204058-8113	Molex	I/O Connectors QSFP-DD Assy., Stacked 2x1, Closed Top	Datasheet	45In Stock	CHF 66.47 CHF 61.07	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 28 AWG, 2.0m Lg. 201591-3020 Molex 1: CHF 251.57 129In Stock	Mfr. Part No. 201591-3020 Mouser Part No 538-201591-3020	Molex	Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 28 AWG, 2.0m Lg. Learn More about Molex qsfp dd interconnect system	Datasheet	129In Stock	CHF 251.57 CHF 237.83 CHF 237.06	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 28 AWG, 1.0m Lg. 201591-3010 Molex 1: CHF 282.48 122In Stock	Mfr. Part No. 201591-3010 Mouser Part No 538-201591-3010	Molex	Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 28 AWG, 1.0m Lg. Learn More about Molex qsfp dd interconnect system	Datasheet	122In Stock	CHF 282.48 CHF 241.92 CHF 237.81	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 28 AWG, 1.5m Lg. 201591-3015 Molex 1: CHF 286.89 159In Stock	Mfr. Part No. 201591-3015 Mouser Part No 538-201591-3015	Molex	Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 28 AWG, 1.5m Lg. Learn More about Molex qsfp dd interconnect system	Datasheet	159In Stock	CHF 286.89 CHF 262.22	Min.: 1 Mult.: 1
I/O Connectors QSFP-DD Cage ASSY 1x3 SAN Fin HS SF 203369-1347 Molex 1: CHF 26.72 669In Stock	Mfr. Part No. 203369-1347 Mouser Part No 538-203369-1347	Molex	I/O Connectors QSFP-DD Cage ASSY 1x3 SAN Fin HS SF Learn More about Molex qsfp dd interconnect system	Datasheet	669In Stock	CHF 26.72 CHF 22.72 CHF 21.30 CHF 20.33 View CHF 19.65 CHF 18.56 CHF 18.03	Min.: 1 Mult.: 1
I/O Connectors QSFP-DD Cage ASSY 1x5 SAN Fin HS SF 203371-1347 Molex 1: CHF 40.58 1’030In Stock	Mfr. Part No. 203371-1347 Mouser Part No 538-203371-1347	Molex	I/O Connectors QSFP-DD Cage ASSY 1x5 SAN Fin HS SF Learn More about Molex qsfp dd interconnect system	Datasheet	1’030In Stock	CHF 40.58 CHF 34.50 CHF 32.81 CHF 31.74 View CHF 30.68 CHF 29.02 Quote	Min.: 1 Mult.: 1
I/O Connectors QSFP-DD Cage ASSY 1x6 OT SF 203372-1253 Molex 1: CHF 29.85 991In Stock	Mfr. Part No. 203372-1253 Mouser Part No 538-203372-1253	Molex	I/O Connectors QSFP-DD Cage ASSY 1x6 OT SF Learn More about Molex qsfp dd interconnect system	Datasheet	991In Stock	CHF 29.85 CHF 25.37 CHF 23.77 CHF 22.72 View CHF 21.96 CHF 20.75 CHF 20.16	Min.: 1 Mult.: 1
I/O Connectors QSFP-DD Cage ASSY 1x6 SAN Fin HS SF 203372-1347 Molex 1: CHF 46.14 884In Stock	Mfr. Part No. 203372-1347 Mouser Part No 538-203372-1347	Molex	I/O Connectors QSFP-DD Cage ASSY 1x6 SAN Fin HS SF Learn More about Molex qsfp dd interconnect system	Datasheet	884In Stock	CHF 46.14 CHF 39.22 CHF 37.35 CHF 36.10 CHF 34.13	Min.: 1 Mult.: 1
I/O Connectors QSFP-DD Cage ASSY 1x3 OT SF 203369-1253 Molex 1: CHF 17.82 1’001In Stock Factory Special Order	Mfr. Part No. 203369-1253 Mouser Part No 538-203369-1253 Factory Special Order	Molex	I/O Connectors QSFP-DD Cage ASSY 1x3 OT SF Learn More about Molex qsfp dd interconnect system	Datasheet	1’001In Stock	CHF 17.82 CHF 15.15 CHF 14.21 CHF 13.51 View CHF 12.86 CHF 12.06 CHF 11.53 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 30 AWG, 0.5m Lg. 201591-1005 Molex 1: CHF 224.46 14In Stock	Mfr. Part No. 201591-1005 Mouser Part No 538-201591-1005	Molex	Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 30 AWG, 0.5m Lg. Learn More about Molex qsfp dd interconnect system	Datasheet	14In Stock	CHF 224.46 CHF 211.87	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 28 AWG, 2.5m Lg. 201591-3025 Molex 1: CHF 400.49 6In Stock	Mfr. Part No. 201591-3025 Mouser Part No 538-201591-3025	Molex	Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 28 AWG, 2.5m Lg. Learn More about Molex qsfp dd interconnect system	Datasheet	6In Stock	CHF 400.49	Min.: 1 Mult.: 1
I/O Connectors QSFP-DD 1x1 SF OT 0RL NET FIN HS 203143-1351 Molex 1: CHF 21.23 1’559In Stock	Mfr. Part No. 203143-1351 Mouser Part No 538-203143-1351	Molex	I/O Connectors QSFP-DD 1x1 SF OT 0RL NET FIN HS Learn More about Molex qsfp dd interconnect system	Datasheet	1’559In Stock	CHF 21.23 CHF 18.04 CHF 16.91 CHF 16.11 View CHF 15.33 CHF 14.38 CHF 13.73 Quote	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 30 AWG, 1.5m Lg. 201591-1015 Molex 1: CHF 318.75 6In Stock	Mfr. Part No. 201591-1015 Mouser Part No 538-201591-1015	Molex	Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 30 AWG, 1.5m Lg. Learn More about Molex qsfp dd interconnect system	Datasheet	6In Stock	CHF 318.75 CHF 294.88 CHF 282.41	Min.: 1 Mult.: 1
I/O Connectors QSFP-DD Cage ASSY 1x4 OT SF 203370-1253 Molex 1: CHF 21.30 25In Stock Factory Special Order	Mfr. Part No. 203370-1253 Mouser Part No 538-203370-1253 Factory Special Order	Molex	I/O Connectors QSFP-DD Cage ASSY 1x4 OT SF Learn More about Molex qsfp dd interconnect system	Datasheet	25In Stock	CHF 21.30 CHF 18.09 View CHF 17.98 CHF 14.28 CHF 13.94	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 30 AWG, 1.0m Lg. 201591-1010 Molex 1: CHF 220.53 Non-Stocked	Mfr. Part No. 201591-1010 Mouser Part No 538-201591-1010	Molex	Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 30 AWG, 1.0m Lg. Learn More about Molex qsfp dd interconnect system	Datasheet	Non-Stocked	CHF 220.53 CHF 179.57	Min.: 1 Mult.: 1
Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 26 AWG, 3.0m Lg. 201591-3030 Molex 90: CHF 197.56 Non-Stocked	Mfr. Part No. 201591-3030 Mouser Part No 538-201591-3030	Molex	Ethernet Cables / Networking Cables QSFP-DD-to-QSFP-DD Passive Cable Assy., 56 Gbps, 26 AWG, 3.0m Lg.	Datasheet	Non-Stocked	CHF 197.56	Min.: 90 Mult.: 30
I/O Connectors QSFP-DD Cage Assy., 1-by-1, Closed Top, Spring Fingers, No Rear Legs, w/ Press-Fit Pins, Robust 203143-3243 Molex 5’184: CHF 7.37 Non-Stocked	Mfr. Part No. 203143-3243 Mouser Part No 538-203143-3243	Molex	I/O Connectors QSFP-DD Cage Assy., 1-by-1, Closed Top, Spring Fingers, No Rear Legs, w/ Press-Fit Pins, Robust	Datasheet	Non-Stocked	CHF 7.37	Min.: 5’184 Mult.: 576
I/O Connectors QSFP-DD Cage Assy., 1-by-1, Open Top, Spring Fingers, No Rear Legs, w/ Press-Fit Pins, Robust 203143-3254 Molex 5’184: CHF 7.37 Non-Stocked	Mfr. Part No. 203143-3254 Mouser Part No 538-203143-3254	Molex	I/O Connectors QSFP-DD Cage Assy., 1-by-1, Open Top, Spring Fingers, No Rear Legs, w/ Press-Fit Pins, Robust	Datasheet	Non-Stocked	CHF 7.37	Min.: 5’184 Mult.: 576
I/O Connectors QSFP-DD Cage Assy., 1-by-1, SAN Fin Heat Sink, Spring Fingers, No Rear Legs, w/ Press-Fit Pins, Robust 203143-3350 Molex 5’280: CHF 11.36 Non-Stocked	Mfr. Part No. 203143-3350 Mouser Part No 538-203143-3350	Molex	I/O Connectors QSFP-DD Cage Assy., 1-by-1, SAN Fin Heat Sink, Spring Fingers, No Rear Legs, w/ Press-Fit Pins, Robust	Datasheet	Non-Stocked	CHF 11.36	Min.: 5’280 Mult.: 480
I/O Connectors QSFP-DD Cage Assy., 1-by-1, NET Fin Heat Sink, Spring Fingers, No Rear Legs, w/ Press-Fit Pins, Robust 203143-3351 Molex 1’152: CHF 8.08 Non-Stocked	Mfr. Part No. 203143-3351 Mouser Part No 538-203143-3351	Molex	I/O Connectors QSFP-DD Cage Assy., 1-by-1, NET Fin Heat Sink, Spring Fingers, No Rear Legs, w/ Press-Fit Pins, Robust	Datasheet	Non-Stocked	CHF 8.08 Quote Quote	Min.: 1’152 Mult.: 384
I/O Connectors QSFP-DD Cage Assy., 1-by-1, NET Fin Heat Sink, Spring Fingers, Two Rear Legs, w/ Press-Fit Pins, Robust 203143-3357 Molex 1’152: CHF 7.38 Non-Stocked	Mfr. Part No. 203143-3357 Mouser Part No 538-203143-3357	Molex	I/O Connectors QSFP-DD Cage Assy., 1-by-1, NET Fin Heat Sink, Spring Fingers, Two Rear Legs, w/ Press-Fit Pins, Robust	Datasheet	Non-Stocked	CHF 7.38	Min.: 1’152 Mult.: 384
I/O Connectors QSFP-DD Cage Assy., 1-by-2, Open Top, Spring Fingers, One Rear Leg, w/ Press-Fit Pins, Robust 203152-3254 Molex 1’008: CHF 4.64 Non-Stocked	Mfr. Part No. 203152-3254 Mouser Part No 538-203152-3254	Molex	I/O Connectors QSFP-DD Cage Assy., 1-by-2, Open Top, Spring Fingers, One Rear Leg, w/ Press-Fit Pins, Robust	Datasheet	Non-Stocked	CHF 4.64 Quote Quote	Min.: 1’008 Mult.: 336
I/O Connectors QSFP-DD Cage Assy., 1-by-3, Closed Top, Spring Fingers, No Rear Legs, w/ Press-Fit Pins, Robust 203369-3243 Molex 1’152: CHF 8.11 Non-Stocked	Mfr. Part No. 203369-3243 Mouser Part No 538-203369-3243	Molex	I/O Connectors QSFP-DD Cage Assy., 1-by-3, Closed Top, Spring Fingers, No Rear Legs, w/ Press-Fit Pins, Robust	Datasheet	Non-Stocked	CHF 8.11	Min.: 1’152 Mult.: 288
I/O Connectors QSFP-DD Cage Assy., 1-by-3, Closed Top, Spring Fingers, One Rear Leg, w/ Press-Fit Pins, Robust 203369-3244 Molex 1’152: CHF 8.13 Non-Stocked	Mfr. Part No. 203369-3244 Mouser Part No 538-203369-3244	Molex	I/O Connectors QSFP-DD Cage Assy., 1-by-3, Closed Top, Spring Fingers, One Rear Leg, w/ Press-Fit Pins, Robust	Datasheet	Non-Stocked	CHF 8.13 Quote Quote	Min.: 1’152 Mult.: 288
I/O Connectors QSFP-DD Cage Assy., 1-by-3, Open Top, Spring Fingers, No Rear Legs, w/ Press-Fit Pins, Robust 203369-3253 Molex 1’152: CHF 7.86 Non-Stocked	Mfr. Part No. 203369-3253 Mouser Part No 538-203369-3253	Molex	I/O Connectors QSFP-DD Cage Assy., 1-by-3, Open Top, Spring Fingers, No Rear Legs, w/ Press-Fit Pins, Robust	Datasheet	Non-Stocked	CHF 7.86	Min.: 1’152 Mult.: 288