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New Networking Cables Announced

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22 Sep 2026
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LP2521
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Abstract

This article summarizes network cables recently announced for use with adapters installed in ThinkSystem servers.

Change History

Changes in the September 22, 2026 update:

Announced September 22, 2026

The following cables were announced on September 22, 2026.

Table 1. Announced September 22, 2026
Part number Feature code Description
Lenovo 400GbE QSFP-DD to 2 x 200GbE QSFP56 AOC Cable
4X97B16862 CKEC Lenovo 5M 400G QSFP-DD to 2x200G QSFP56 Active Optical Cable
4X97B16863 CKED Lenovo 10M 400G QSFP-DD to 2x200G QSFP56 Active Optical Cable
4X97B16864 CKEE Lenovo 20M 400G QSFP-DD to 2x200G QSFP56 Active Optical Cable
4X97B16865 CKEF Lenovo 30M 400G QSFP-DD to 2x200G QSFP56 Active Optical Cable

These cables above are supported with the following adapters:

  • ThinkSystem Broadcom 57608 2x200/1x400GbE QSFP112 OCP Ethernet Adapter(Generic FW), 4XC7A95695
  • ThinkSystem Broadcom 57608 2x200/1x400GbE QSFP112 PCIe Ethernet Adapter, 4XC7A95572
  • ThinkSystem NVIDIA BlueField-3 B3220 VPI QSFP112 2P 200G PCIe Gen5 x16 with Tin Plating Connector, 4XC7B08942
  • ThinkSystem NVIDIA ConnectX-7 NDR200/200GbE QSFP112 2-port PCIe Gen5 x16 InfiniBand Adapter, 4XC7A81883
Table 2. Announced September 22, 2026
Part number Feature code Description
Lenovo 400GbE QSFP-DD to 4 x 100GbE QSFP56 AOC Cable
4X97B16866 CKEG Lenovo 5M 400G QSFP-DD to 4x100G QSFP56 Active Optical Cable
4X97B16867 CKEH Lenovo 10M 400G QSFP-DD to 4x100G QSFP56 Active Optical Cable
4X97B16868 CKEJ Lenovo 20M 400G QSFP-DD to 4x100G QSFP56 Active Optical Cable
4X97B16869 CKEK Lenovo 30M 400G QSFP-DD to 4x100G QSFP56 Active Optical Cable

These cables above are supported with the following adapters:

  • ThinkSystem Broadcom 57608 2x200/1x400GbE QSFP112 OCP Ethernet Adapter(Generic FW), 4XC7A95695
  • ThinkSystem Broadcom 57608 2x200/1x400GbE QSFP112 PCIe Ethernet Adapter, 4XC7A95572
  • ThinkSystem Mellanox ConnectX-6 Dx 100GbE QSFP56 2-port PCIe Ethernet Adapter, 4XC7A08248
  • ThinkSystem Nvidia ConnectX-6 Dx 100GbE QSFP56 2-port OCP Ethernet Adapter(Generic), 4XC7A99190
  • ThinkSystem NVIDIA ConnectX-7 NDR200/200GbE QSFP112 2-port PCIe Gen5 x16 InfiniBand Adapter, 4XC7A81883
  • ThinkSystem NVIDIA BlueField-3 B3220 VPI QSFP112 2P 200G PCIe Gen5 x16 with Tin Plating Connector, 4XC7B08942

Announced September 15, 2026

The following cables were announced on September 15, 2026.

Table 3. Announced September 15, 2026
Part number Feature code Description
Lenovo IB Twin Port NDR OSFP112 to 2x NDR OSFP Splitter Copper Cables
4X97B16876 CK2A Lenovo 1M Luxshare 400Gx2 OSFP112 to 2x 400G OSFP Passive Copper Splitter Cable
4X97B16877 CK2B Lenovo 1.5M Luxshare 400Gx2 OSFP112 to 2x 400G OSFP Passive Copper Splitter Cable
4X97B16878 CK2C Lenovo 2M Luxshare 400Gx2 OSFP112 to 2x 400G OSFP Passive Copper Splitter Cable
4X97B16879 CK2D Lenovo 3M Luxshare 400Gx2 OSFP112 to 2x 400G OSFP Passive Copper Splitter Cable

These cables above are supported with the following adapters:

  • ThinkSystem NVIDIA ConnectX-7 NDR400 OSFP 1-port PCIe Gen5 VPI Adapter, 4XC7A95508
  • ThinkSystem SC777 V4 OSFP IO Kit, C8X0
  • ThinkSystem NVIDIA ConnectX-8 C8180 XDR / 2x400GbE OSFP 1-Port PCIe Gen6 x16 (Generic FW), 4XC7B03667
  • ThinkSystem NVIDIA ConnectX-8 8180 800Gbs XDR IB / 2x400GbE OSFP 1-Port PCIe Gen6 x16 DWC (Generic FW), CAGC
Table 4. Announced September 15, 2026
Part number Feature code Description
Lenovo IB Twin Port NDR OSFP112 to 4x NDR200 QSFP112 Splitter Copper Cables
4X97B16881 CK2F Lenovo 1M Luxshare 400Gx2 OSFP112 to 4x 200G QSFP112 Passive Copper Splitter Cable
4X97B16882 CK2G Lenovo 1.5M Luxshare 400Gx2 OSFP112 to 4x 200G QSFP112 Passive Copper Splitter Cable
4X97B16883 CK2H Lenovo 2M Luxshare 400Gx2 OSFP112 to 4x 200G QSFP112 Passive Copper Splitter Cable
4X97B16884 CK2J Lenovo 3M Luxshare 400Gx2 OSFP112 to 4x 200G QSFP112 Passive Copper Splitter Cable

These cables above are supported with the following adapters:

  • ThinkSystem SC750 V4 NVIDIA ConnectX-7 NDR200/HDR/200GbE QSFP112 2-Port PCIe Gen5 x16 Adapter (SharedIO) DWC, 4XC7A99370
  • ThinkSystem NVIDIA ConnectX-7 NDR200/200GbE QSFP112 2-port PCIe Gen5 x16 InfiniBand Adapter, 4XC7A81883
  • ThinkSystem NVIDIA BlueField-3 B3220 VPI QSFP112 2P 200G PCIe Gen5 x16 Adapter, 4XC7A87752
  • ThinkSystem NVIDIA BlueField-3 B3140H VPI QSFP112 1P 400G PCIe Gen5 x16 Adapter, 4XC7A93809
  • ThinkSystem Broadcom 57608 2x200/1x400GbE QSFP112 OCP Ethernet Adapter(Generic FW), 4XC7A95695
  • ThinkSystem Broadcom 57608 2x200/1x400GbE QSFP112 PCIe Ethernet Adapter, 4XC7A95572
  • ThinkSystem NVIDIA Bluefield-3 B3240 2P 400G PCIe Gen5 x16 Crypto Enabled(Generic FW) with Tin Plating Connector, C4GD
  • ThinkSystem NVIDIA BlueField-3 B3220 VPI QSFP112 2P 200G PCIe Gen5 x16 with Tin Plating Connector, 4XC7B08942

Announced September 8, 2026

The following cables were announced on September 8, 2026.

Table 5. Announced September 8, 2026
Part number Feature code Description
Lenovo IB Twin Port NDR OSFP112 to 2x NDR OSFP Splitter Copper Cables
4X97B16876 CK2A Lenovo 1m Luxshare 400Gx2 OSFP112 to 2x 400G OSFP Passive Copper Splitter Cable
4X97B16877 CK2B Lenovo 1.5m Luxshare 400Gx2 OSFP112 to 2x 400G OSFP Passive Copper Splitter Cable
4X97B16878 CK2C Lenovo 2m Luxshare 400Gx2 OSFP112 to 2x 400G OSFP Passive Copper Splitter Cable
4X97B16879 CK2D Lenovo 3m Luxshare 400Gx2 OSFP112 to 2x 400G OSFP Passive Copper Splitter Cable

These cables above are supported with the following adapters:

  • ThinkSystem NVIDIA ConnectX-7 NDR400 OSFP 1-port PCIe Gen5 VPI Adapter, 4XC7A95508
  • ThinkSystem SC777 V4 OSFP IO Kit, C8X0
  • ThinkSystem NVIDIA ConnectX-8 8180 800Gbs XDR IB / 2x400GbE OSFP 1-port PCIe Gen6 x16 (Generic FW), 4XC7B03667
  • ThinkSystem NVIDIA ConnectX-8 8180 800Gbs XDR IB / 2x400GbE OSFP 1-Port PCIe Gen6 x16 DWC (Generic FW), CAGC
Table 6. Announced September 8, 2026
Part number Feature code Description
Lenovo IB Twin Port NDR OSFP112 to 4x NDR200 QSFP112 Splitter Copper Cables
4X97B16881 CK2F Lenovo 1m Luxshare 400Gx2 OSFP112 to 4x 200G QSFP112 Passive Copper Splitter Cable
4X97B16882 CK2G Lenovo 1.5m Luxshare 400Gx2 OSFP112 to 4x 200G QSFP112 Passive Copper Splitter Cable
4X97B16883 CK2H Lenovo 2m Luxshare 400Gx2 OSFP112 to 4x 200G QSFP112 Passive Copper Splitter Cable
4X97B16884 CK2J Lenovo 3m Luxshare 400Gx2 OSFP112 to 4x 200G QSFP112 Passive Copper Splitter Cable

These above cables are supported with the following adapters:

  • ThinkSystem NVIDIA BlueField-3 B3140H VPI QSFP112 1P 400G PCIe Gen5 x16 Adapter, 4XC7A93809
  • ThinkSystem NVIDIA BlueField-3 B3220 VPI QSFP112 2P 200G PCIe Gen5 x16 with Tin Plating Connector, 4XC7B08942
  • ThinkSystem NVIDIA BlueField-3 B3220 VPI QSFP112 2P 200G PCIe Gen5 x16 Adapter, 4XC7A87752
  • ThinkSystem NVIDIA Bluefield-3 B3240 2P 400G PCIe Gen5 x16 Crypto Enabled(Generic FW) with Tin Plating Connector, 4XC7A96568
  • ThinkSystem NVIDIA ConnectX-7 NDR200/200GbE QSFP112 2-port PCIe Gen5 x16 InfiniBand Adapter, 4XC7A81883
  • ThinkSystem SC750 V4 NVIDIA ConnectX-7 NDR200/HDR/200GbE QSFP112 2-Port PCIe Gen5 x16 Adapter (SharedIO) DWC, 4XC7A99370
  • ThinkSystem Broadcom 57608 2x200/1x400GbE QSFP112 OCP Ethernet Adapter(Generic FW), 4XC7A95695
  • ThinkSystem Broadcom 57608 2x200/1x400GbE QSFP112 PCIe Ethernet Adapter, 4XC7A95572

Announced August 25, 2026

The following cables were announced on August 25, 2026.

Table 7. Announced August 25, 2026
Part number Feature code Description
Lenovo 400GbE QSFP-DD to 2 x 200GbE QSFP56 DAC Cables
4X97B16870 CK2K Lenovo 1m 400GbE QSFP-DD to 2x 200GbE QSFP56 DAC Cable
4X97B16871 CK2L Lenovo 1.5m 400GbE QSFP-DD to 2x 200GbE QSFP56 DAC Cable

These above cables are supported with the following adapters:

  • ThinkSystem NVIDIA ConnectX-7 NDR200/200GbE QSFP112 2-port PCIe Gen5 x16 InfiniBand Adapter, 4XC7A81883
  • ThinkSystem Broadcom 57608 2x200/1x400GbE QSFP112 OCP Ethernet Adapter(Generic FW), 4XC7A95695
  • ThinkSystem Broadcom 57608 2x200/1x400GbE QSFP112 PCIe Ethernet Adapter, 4XC7A95572
  • ThinkSystem NVIDIA BlueField-3 B3220 VPI QSFP112 2P 200G PCIe Gen5 x16 with Tin Plating Connector, 4XC7B08942
Table 8. Announced August 25, 2026
Part number Feature code Description
Lenovo 400GbE QSFP-DD to 4 x 100GbE QSFP56 DAC Cable
4X97B16872 CK2M Lenovo 1m 400GbE QSFP-DD to 4x100GbE QSFP56 DAC Cable
4X97B16873 CK2N Lenovo 1.5m 400GbE QSFP-DD to 4x100GbE QSFP56 DAC Cable
4X97B16874 CK2P Lenovo 2m 400GbE QSFP-DD to 4x100GbE QSFP56 DAC Cable
4X97B16875 CK2Q Lenovo 3m 400GbE QSFP-DD to 4x100GbE QSFP56 DAC Cable

These above cables are supported with the following adapters:

  • ThinkSystem Mellanox ConnectX-6 Dx 100GbE QSFP56 2-port PCIe Ethernet Adapter, 4XC7A08248
  • ThinkSystem NVIDIA ConnectX-7 NDR200/200GbE QSFP112 2-port PCIe Gen5 x16 InfiniBand Adapter, 4XC7A81883
  • ThinkSystem Nvidia ConnectX-6 Dx 100GbE QSFP56 2-port OCP Ethernet Adapter(Generic), 4XC7A99190
  • ThinkSystem NVIDIA BlueField-3 B3220 VPI QSFP112 2P 200G PCIe Gen5 x16 with Tin Plating Connector, 4XC7B08942

Related product families

Product families related to this document are the following:

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