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Black aluminium USB-A flash drive with crystal accent

TCELL Technology Co., Ltd

TCELL Technology Co., Ltd 3/S/X/Y 128GB USB 3.2 Flash Drive 400MB/s

SKU CH-0N17-5H79P MPN 3/S/X/Y

128 GB USB 3.2 flash drive with up to 400 MB/s read and write speeds and UASP support

  • USB SpecificationUSB 3.2 Gen 1
  • USB ConnectorsType A
  • ColorBlack / Aluminum
  • Capacity128GB
  • Read Speedup to 400MB/s
  • Write Speedup to 400MB/s

Capacity 128GB

  • Transfer 1000 photos in 18 seconds at 400MB/s read speed
  • UASP support cuts CPU overhead and speeds up data transfers
  • 4K random performance reaches 30MB/s for responsive small-file handling
  • Aluminium alloy casing dissipates heat to sustain high throughput
  • USB 3.2 Gen 1 interface works with USB 3.0 ports

128 GB USB 3.2 flash drive

The drive delivers up to 400 MB/s sequential read and write speeds over a USB 3.2 Gen 1 Type-A connector. It also achieves 4K random speeds up to 30 MB/s and supports the UASP protocol for reduced CPU overhead. The aluminium casing aids heat dissipation and the unit is sold new with a five-year warranty.

USB 3.2 Gen 1 interface limits

Peak throughput is capped by the USB 3.2 Gen 1 bus, so sustained transfers cannot exceed the 400 MB/s ceiling even with the internal SSD controller. UASP benefits only appear on host systems that explicitly support the protocol, such as Windows 8, Windows 10 or macOS 10.8 and later. The drive requires a port that can supply enough current for external-HDD-class operation.

128 GB capacity and headroom

The 128 GB volume can hold roughly 1000 photos and moves that batch in about 18 seconds under ideal conditions. Sequential workloads like large video files run comfortably at the rated 400 MB/s, while heavy random I/O tops out near 30 MB/s. Users needing more space or sustained write performance beyond the Gen 1 bus should look elsewhere.

Points forts

  • Transfer 1000 photos in 18 seconds at 400MB/s read speed
  • UASP support cuts CPU overhead and speeds up data transfers
  • 4K random performance reaches 30MB/s for responsive small-file handling
  • Aluminium alloy casing dissipates heat to sustain high throughput
  • USB 3.2 Gen 1 interface works with USB 3.0 ports

Caractéristiques

USB SpecificationUSB 3.2 Gen 1
USB ConnectorsType A
ColorBlack / Aluminum
Capacity128GB
Read Speedup to 400MB/s
Write Speedup to 400MB/s

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Questions sur cet article

Should I choose the 128GB version or is there a larger capacity available?

The only capacity listed for this model is 128GB; no larger option appears in the specifications.

What does the 400MB/s headline speed actually deliver when I plug the drive into my computer?

Sequential read and write reach up to 400MB/s in internal tests, while 4K random performance hits 30MB/s; real-world transfer of 1000 pictures completes in about 18 seconds, though results vary with the host system.

Does the USB 3.2 Gen 1 Type A interface limit the 400MB/s claim in practice?

USB 3.2 Gen 1 caps at 5Gbps, so the 400MB/s sequential figure is the practical ceiling; UASP support reduces protocol overhead and helps sustain that speed on Windows 8, Windows 10 and macOS 10.8 or newer.

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