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Teardown: A Generic 7-Port USB 3.0 Hub That Wasn't

Original article
goughlui.com|175 points|81 comments|by speckx|Jul 12, 2026

Teardown: A Generic 7-Port USB 3.0 Hub That Wasn't

Welcome back to Gough's Tech Zone, where we dedicate our time to reversing the mindless enslavement of humans by technology. Today, we are looking at a piece of hardware that promised the world (or at least, high-speed data transfer) but delivered a lie.

The Premise

I acquired a generic 7-port USB 3.0 hub. On the surface, it looked the part. It had the requisite number of ports and, most importantly, the bright blue plastic inserts that are the industry shorthand for USB 3.0 (SuperSpeed).

However, something felt off. The performance wasn't hitting the expected marks. To find out why, I decided to perform a full teardown.


The Teardown Process

To get to the heart of the deception, I followed these steps:

  • Remove the external plastic casing.
  • Inspect the PCB (Printed Circuit Board) layout.
  • Examine the physical pin configuration of the ports.
  • Identify the controller chip.

The "Aha!" Moment

Upon opening the device, the truth became immediately apparent. While the outside of the ports featured blue plastic to trick the consumer, the inside told a different story.

"The blue plastic is merely a cosmetic facade. There is no SuperSpeed circuitry here."

In a genuine USB 3.0 port, you expect to see 9 pins (the standard 4 for USB 2.0 plus 5 additional pins for high-speed data). This hub? It only has 4 pins.

Technical Comparison: Claim vs. Reality

FeatureClaimed (USB 3.0)Actual (USB 2.0)
Pin Count9 Pins4 Pins
Plastic ColorBlueBlue (Fake)
Max Bandwidth≈5 Gbps\approx 5 \text{ Gbps}≈5 Gbps≈480 Mbps\approx 480 \text{ Mbps}≈480 Mbps
Data PathDual-simplexHalf-duplex

The difference in speed is staggering when expressed mathematically: Speed Ratio=5000 Mbps480 Mbps≈10.4x slower\text{Speed Ratio} = \frac{5000 \text{ Mbps}}{480 \text{ Mbps}} \approx 10.4x \text{ slower}Speed Ratio=480 Mbps5000 Mbps​≈10.4x slower

Circuitry Analysis

The PCB is a masterclass in minimalism—or rather, laziness. The hub uses a basic controller that is strictly USB 2.0 compliant. There is no additional wiring to support the SuperSpeed lanes.

Final Verdict

This device is a blatant deception. It is a USB 3.0 Hub a USB 2.0 hub wearing a blue costume.

Summary of Findings:

  • Cosmetic Deception: Used blue plastic to mimic USB 3.0.
  • Hardware Fraud: Lacks the physical pins required for SuperSpeed.
  • Performance: Limited to legacy USB 2.0 speeds.


Site Archive & Related Teardowns

For those interested in more honest hardware (or other fascinating failures), explore the rest of the Gough's Tech Zone library:

📼 The VHS Corner

  • Guides: Intro to Cassettes, VCR Repair, and VHS-C Adapters.
  • Brand Library: A massive collection including Akai, BASF, Fuji, JVC, Maxell, Panasonic, Sony, and TDK.

💻 The CPU Corner

Detailed looks at various sockets:

  • CPGA132 →\rightarrow→ Socket AM3
  • LGA 1155 →\rightarrow→ LGA 775
  • Specialty: IBM PowerPC and Sun UltraSPARC IIi.

💿 The Optical Disc Corner

Analysis of media from Apple, BenQ, LG, Samsung, Sony, and Verbatim across CD-R, DVD, and BD-RE formats.

💽 The Hard Disk Corner

A deep dive into drive performance and magnetic pickups, featuring:

  • Fujitsu: (e.g., MHR2020AT, MHV2120BH)
  • Hitachi: (e.g., Deskstar, Travelstar)
  • IBM: (e.g., Fireball, Deskstar)
  • Seagate: (e.g., Barracuda, Momentus)
  • Western Digital: (e.g., Caviar Green)
  • Others: Maxtor, Quantum, Samsung, Toshiba.