# Why Flat Ethernet Cables Compromise Your Home Network Performance Understand the technical trade-offs between aesthetic flat cables and reliable round Ethernet designs. - **Source:** [Engadget - Technology News & Expert Reviews](https://brifing.si/source/16dd2da6-3eea-4d1e-b34f-45e846cdf037) - **Published:** 2026-10-18 - **Topic:** [Software & Engineering](https://brifing.si/c/engineering) - **Original article:** - **On Brifing:** https://brifing.si/s/1b8cae59-6b1c-41a4-bd3b-232e57b988e4 ## The Aesthetic Appeal Trap Flat Ethernet cables have gained popularity for their ability to hide easily under rugs or around tight corners. While they offer a cleaner visual setup compared to traditional chunky round cables, users often overlook the underlying technical compromises. Choosing aesthetics over physical design can lead to unexpected network instability and performance degradation. ## Twisted Pair Geometry Matters Standard Ethernet cables utilize twisted pairs to prevent electromagnetic interference between internal wires. Flat cables arrange these pairs in a linear row, significantly increasing susceptibility to crosstalk. This structural difference means that flat cables lack the inherent signal protection provided by the circular geometry found in traditional, high-performance round Ethernet cabling. ## Wire Gauge and Resistance To achieve their signature thin profile, manufacturers often utilize thinner gauge wires within flat Ethernet cables. Increased wire thinness leads to higher electrical resistance, which can degrade data signals over longer cable runs. Consequently, flat cables are technically inferior to round counterparts when maintaining signal integrity over significant distances is required. ## Vulnerability to Physical Stress Flat cables are frequently routed under doors or compressed beneath rugs, exposing them to constant physical pressure. Because these cables lack the cushioning provided by a round jacket, the internal wires are highly susceptible to damage. Repeated bending or compression quickly compromises the structural integrity, leading to frequent connection failures and hardware issues. ## Lack of External Shielding Round Ethernet cables often incorporate additional shielding layers to protect against interference from external electronic devices. This protective feature is rarely present in flat cable designs due to space constraints. Without this shielding, flat cables remain vulnerable to environmental noise, which can cause unstable connections and slower internet speeds in busy households. ## Strategic Use Cases Despite their technical limitations, flat cables remain useful in specific, constrained environments. They are ideal for short runs where physical space is extremely limited, such as passing through narrow door gaps. For renters unable to modify living spaces, flat cables provide a functional, albeit less robust, solution for maintaining basic connectivity. ## Performance Over Short Distances The negative impacts of signal degradation and interference are most pronounced in longer cable runs. Over very short distances, flat Ethernet cables can perform adequately for most home users. If you must use them, keep the cable length minimal to mitigate the risks associated with their thinner wire gauge and linear arrangement. ## Prioritizing Network Reliability For users demanding the fastest and most reliable connection, round Ethernet cables remain the industry standard. While flat cables offer convenience, they introduce unnecessary risks to signal stability and physical durability. Always prioritize round cabling for primary network infrastructure to ensure long-term performance and avoid the common pitfalls of aesthetic-focused networking. ## Sources covering this story - https://www.engadget.com/2286349/flat-ethernet-cable-not-answer-home-networking-issues/ — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._