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Optics Transceivers | SFP Modules
DAC/AOC/AEC Cables
100G DAC/AOC

100G DAC/AOC

Shop LINK-PP compatible 100G DAC and AOC cables in QSFP28 form factor for leaf/spine, TOR, and NIC uplinks. This store groups MSA-aligned 100G QSFP28-to-QSFP28 twinax DACs, QSFP28 AOCs, and QSFP28-to-4×SFP28 breakout copper assemblies—coded for Cisco, Arista, Dell, and other platforms. Return to the parent DAC/AOC hub for other rates, pair with 100G QSFP28 optics when you need pluggable modules, or open a Cisco compatible PN when the OEM cable part number is known. Confirm length, straight vs breakout, and host port mode on each product page before ordering.

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Frequently asked questions

01.Which 100G cable types does this category cover?
This store lists LINK-PP 100G QSFP28 passive DAC twinax, 100G QSFP28 AOC, and QSFP28 to 4×25G SFP28 breakout copper cables. Use on-page filters to narrow by length and brand, or return to the parent DAC/AOC hub for 10G–400G assemblies.
02.How long can a passive 100G QSFP28 DAC run?
Most passive 100G QSFP28 DACs are offered from about 0.5 m to 5 m; practical reach depends on host SerDes, cable gauge, and whether the switch requires FEC. If your path is longer, or you need a lighter, more flexible jumper across a row, choose a 100G QSFP28 AOC instead and confirm the exact length on the PDP.
03.When should I use a 100G QSFP28 AOC instead of DAC?
Use AOC when you exceed copper reach for your hosts, want lower cable weight and tighter bend radius, or need to reduce EMI in dense racks. DAC remains the lowest-power, lowest-cost option for same-rack or adjacent-rack QSFP28 links. Match both ends to QSFP28 cages—do not mix with QSFP+ 40G ports without a supported adapter path.
04.Can I break out 100G QSFP28 to 4×25G with a DAC?
Yes—QSFP28 to 4×SFP28 breakout DACs fan one 100G port into four 25G SFP28 ports when the switch and NICs support breakout mode. Confirm the host CLI breakout command and SFP28 coding on each leg. For optical breakout or longer reaches, use pluggable optics from the 100G QSFP28 store plus MPO harnesses.
05.Are these 100G cables coded for Cisco, Arista, and Dell?
Yes—select the Compatible PN for your OEM. LINK-PP 100G DAC/AOC assemblies are EEPROM-coded so the host inventories the expected part number. Browse the Cisco compatible hub (or Arista / Dell) and open the PDP that lists your switch cable PN.

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