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Addlink S91 vs Biwin M350: Comparison

Addlink S91 and Biwin M350 separate most on nand layers: Addlink S91 at 176, Biwin M350 at 232, 24% in favor of Biwin M350. Sequential Write splits them by another 17%, again favoring Biwin M350. They match on 6 other specifications, including drive type, bus interface and capacity.

Which is better, Addlink S91 or Biwin M350?

On paper, Biwin M350 has the edge on nand layers, at 232 vs Addlink S91 at 176.

What is the main difference between Addlink S91 and Biwin M350?

On paper the two are close; the biggest difference is NAND layers: Addlink S91 176, Biwin M350 232.

Addlink S91 (Phison E21T + Micron N48R)
AddlinkAddlink S91
Biwin M350
BiwinBiwin M350

Specs and benchmarks

  • Speed Score

    Addlink S91
    6.0/10Best
    Biwin M350
    6.0/10Best

    How fast this drive is, rated from its read and write speeds, cache and NAND type. 10 is the fastest.

  • Brand

    Addlink S91
    Addlink
    Biwin M350
    Biwin

  • Model Number

    Addlink S91
    Addlink S91 (Phison E21T + Micron N48R)
    Biwin M350
    Biwin M350

  • Series

    Addlink S91
    S91
    Biwin M350
    M350

  • Drive Type

    Addlink S91
    Internal
    Biwin M350
    Internal

  • Bus Interface

    Addlink S91
    PCIe 4.0 x4
    Biwin M350
    PCIe 4.0 x4

  • Form Factor

    Addlink S91
    M.2 2230
    Biwin M350
    M.2 2280

  • Capacity

    Addlink S91
    2000 GB
    Biwin M350
    2000 GB

  • Sequential Read

    Addlink S91
    5000 MB/s-4%
    Biwin M350
    5200 MB/s

  • Sequential Write

    Addlink S91
    4000 MB/s-17%
    Biwin M350
    4800 MB/s

  • Controller

    Addlink S91
    Phison E21T
    Biwin M350
    SM2268XT2

  • Controller Vendor

    Addlink S91
    Phison
    Biwin M350
    Silicon Motion

  • DRAM Cache

    Addlink S91
    DRAM-less with HMB
    Biwin M350
    DRAM-less with HMB

  • NAND Type

    Addlink S91
    QLC
    Biwin M350
    QLC

  • NAND Vendor

    Addlink S91
    Micron
    Biwin M350
    Micron

  • NAND Layers

    Addlink S91
    176-24%
    Biwin M350
    232

    Which one should you pick?

    Choose Addlink S91 if you want the higher capacity (2000 GB vs 2000 GB).

    Choose Biwin M350 if you want the higher sequential read (5200 MB/s vs 5000 MB/s), the higher sequential write (4800 MB/s vs 4000 MB/s) and the higher NAND layers (232 vs 176).

    Compare Addlink S91 with