Streamline 100G-to-4x25G breakout in dense switching environments with a direct attach copper cable built for practical aggregation. This Accortec-compatible assembly converts one QSFP28 port into four SFP28 connections, giving infrastructure teams a clean way to fan out bandwidth without adding four separate optical paths. The value is operational as much as technical. A single 4 m DAC reduces component count, simplifies ordering, and keeps short-reach interconnects easier to trace during moves, adds, and changes. For teams standardizing around Cisco-based hardware, compatibility matters: it helps preserve deployment consistency while avoiding unnecessary complexity in the rack. Use it where 100G uplinks need to feed 25G servers, access switches, or leaf-spine segments. The 4 m length provides enough reach for practical rack and row layouts while staying within the short-distance envelope where DAC makes the most sense. It is a cost-conscious choice for environments that want predictable performance and a cleaner physical layer.