Addlink S91 2TB SSD

The Addlink S91 is not a bad choice if you want 2TB for your Steam Deck or ROG Ally’s internal storage. The drive performs well enough, especially with a PCIe 3.0 interface, with good efficiency, and even has TLC flash at 512GB. The 2TB model's QLC does have some downsides.

-- As reviewed by Tom's Hardware
Addlink S91 2TB SSD 1

Product details

  • [Interface/Form Factor] PCIe Gen4x4. Backwards compatible with Gen3x4 Interface. 3D NANG SLC Cache support (HMB) host memory buffer/M.2 2230
  • [Speed] Read/Write up to 5000/3200MB/s. Designed for Steam gamers, Loptop/Table user.
  • [Compatibility] designed for M.2 2230 form Factor space, *including select models from Valve Steam Deck, Microsoft Surface, and popular Intel& AMD laptop/tablet Platform.
  • [Features] Supports SLC Caching & (HMB) host memory buffer , SMART, TRIM, Thermal Throttling, SmartECC
  • [Warranty] Backed by a 5-year limited warranty

PROS

+ 2TB in the M.2 2230 form factor
+ Available in three capacities
+ PCIe 3.0 performance is certainly good enough (Steam Deck)

CONS

- QLC, so very weak sustained performance and weaker peak

Expert reviews and ratings

By Tom's Hardware on August 18, 2023
The Addlink S91 is not a bad choice if you want 2TB for your Steam Deck or ROG Ally’s internal storage. The drive performs well enough, especially with a PCIe 3.0 interface, with good efficiency, and even has TLC flash at 512GB. The 2TB model's QLC does have some downsides.
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