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This product would be ideal for data centers and network environments requiring extended copper distances between QSFP+ modules and SFP+ uplinks.
10Gtek 40G QSFP+ DAC Cable 5-Meter(16.5ft), 40GBASE-CR4 Passive Direct Attach Copper Twinax Cable for Cisco QSFP-H40G-CU5M, Meraki MA-CBL-40G-5M, Supermicro, Mikrotik, Open Switch Devices
ipolex 40G QSFP+ DAC Twinax Cable, 40GBASE-CR4 Passive Direct Attach Copper Cable, QSFP Cable for Cisco QSFP-H40G-CU50CM, Meraki, Intel XLDACBL05, Mikrotik, D-Link etc. 0.5m(1.6ft)
10Gtek 40G QSFP+ DAC Cable 0.3-Meter(1ft), 40GBASE-CR4 Passive Direct Attach Copper Twinax Cable for Cisco QSFP-H40G-CU30CM, Meraki MA-CBL-40G-30CM, Supermicro, Mikrotik, Open Switch Devices
10Gtek 40G QSFP+ DAC Cable 0.5-Meter(1.65ft), 40GBASE-CR4 Passive Direct Attach Copper Twinax Cable for Cisco QSFP-H40G-CU50CM, Meraki MA-CBL-40G-50CM, Supermicro, Mikrotik, Open Switch Devices
QSFPTEK 40G QSFP DAC Cable, 0.5M (1.64ft) Passive Direct Attach Copper Twinax DAC Cable Compatible with Cisco QSFP-H40G-CU50CM
10Gtek 40G QSFP+ to 4xSFP+ Breakout DAC for Cisco QSFP-4SFP10G-CU1M, 40GBASE-CR4 Passive Direct Attach Copper Twinax QSFP to SFP Cable for Cisco Devices, 2-Meter(6.5ft)