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Counterfeit Samsung 990 Pro Passes Basic Checks, Crawls at USB 2.0–Like Speeds

The episode underscores that vendor authentication is the reliable way to uncover increasingly convincing SSD clones during a tight NAND market.

Overview

  • A Reddit user in India bought a purported 2TB Samsung 990 Pro from a local distributor for about 19,000 INR (roughly $205), well below typical pricing above 30,000 INR.
  • Windows and CrystalDiskInfo reported the correct model, capacity, and firmware details, masking the drive’s true identity.
  • Diagnostics showed the drive linking at PCIe 3.0 despite the 990 Pro being a PCIe 4.0 model, a clue that helped explain the poor performance.
  • Real‑world transfers hovered around 20 MB/s reads and 9–10 MB/s writes, and Samsung’s Magician software flagged the unit as “Not Genuine.”
  • Coverage from Tom’s Hardware and Wccftech warns of rising counterfeits during the NAND shortage and advises buying from reputable retailers, running vendor tools immediately, and documenting unboxings.