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Biwin Unveils SIM-Card-Sized "Mini SSD" Delivering PCIe 4.0×2 Speeds

Early support from Chinese handheld makers underscores interest with commercial details still undisclosed.

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Overview

  • The Mini SSD measures just 15×17×1.4 mm yet promises sequential read speeds up to 3,700 MB/s and write speeds up to 3,400 MB/s over a PCIe 4.0×2 interface.
  • Advanced LGA packaging integrates the SSD controller and NAND into an IP68-rated module that survives three-meter drops.
  • Initial offerings include 512 GB, 1 TB, and 2 TB capacities designed to fit SIM-style slots in laptops, smartphones, cameras, and handheld gaming PCs.
  • The GPD Win 5 and OneXPlayer Super X have designed dedicated Mini SSD slots, but broader OEM adoption hinges on standardized host interfaces.
  • Biwin has not announced pricing, launch timing, or industry-standard endorsements, leaving real-world availability uncertain.