--- title: A USB Port By Any Other Color… | daily.dev description: A teardown of a cheap generic USB 3.0 hub reveals it is actually a USB 2.0 hub with blue USB 3-colored ports as the only nod to USB 3. Internally it uses two... canonical: https://daily.dev/posts/a-usb-port-by-any-other-color--ptaqnhy7s twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: A USB Port By Any Other Color… | daily.dev og:description: A teardown of a cheap generic USB 3.0 hub reveals it is actually a USB 2.0 hub with blue USB 3-colored ports as the only nod to USB 3. Internally it uses two... og:url: https://daily.dev/posts/a-usb-port-by-any-other-color--ptaqnhy7s og:image: https://api.daily.dev/og/posts/PTAQnhy7s.png og:image:alt: A USB Port By Any Other Color… og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # A USB Port By Any Other Color… **[Hackaday](https://daily.dev/sources/hackaday)** · 2 min read · 4 upvotes · 0 comments ## Summary A teardown of a cheap generic USB 3.0 hub reveals it is actually a USB 2.0 hub with blue USB 3-colored ports as the only nod to USB 3. Internally it uses two HS8836A chips, which are USB 2-only and share USB 1.1 bandwidth across all ports. Additional build quality issues include missing solder, no bypass capacitors, direct-soldered cables, and a barrel jack that feeds power back to the PC. Linux users can check their hub's negotiated speed with `lsusb -t` to detect similar deceptive hardware. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Teardown: A Generic 7-Port USB 3.0 Hub That Wasn’t](https://daily.dev/posts/teardown-a-generic-7-port-usb-3-0-hub-that-wasn-t-3o9fdbiwb) · Hacker News · 0 upvotes · 0 comments - [Your PC's front USB ports might be worse than useless if your case was designed around old standards](https://daily.dev/posts/your-pc-s-front-usb-ports-might-be-worse-than-useless-if-your-case-was-designed-around-old-standards-7ndyzy4en) · XDA Developers · 0 upvotes · 0 comments - [Your motherboard's USB ports aren't all the same, and the wrong ones are bottlenecks](https://daily.dev/posts/your-motherboard-s-usb-ports-aren-t-all-the-same-and-the-wrong-ones-are-bottlenecks-bmxjtddot) · XDA Developers · 0 upvotes · 0 comments - [Your motherboard has a USB 2.0 header you're probably wasting, and it's more useful than you think](https://daily.dev/posts/your-motherboard-has-a-usb-2-0-header-you-re-probably-wasting-and-it-s-more-useful-than-you-think-5dlm3xtq1) · XDA Developers · 0 upvotes · 0 comments --- Tags: [#linux](https://daily.dev/tags/linux) [View this post on daily.dev](https://daily.dev/posts/a-usb-port-by-any-other-color--ptaqnhy7s) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"A USB Port By Any Other Color…","url":"https://daily.dev/posts/a-usb-port-by-any-other-color--ptaqnhy7s","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/a-usb-port-by-any-other-color--ptaqnhy7s"},"datePublished":"2026-07-16T23:02:56.655Z","dateModified":"2026-07-17T14:17:29.497Z","description":"A teardown of a cheap generic USB 3.0 hub reveals it is actually a USB 2.0 hub with blue USB 3-colored ports as the only nod to USB 3. 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