The 1.92TB drive has an endurance rating of 600TBW, and Acer backs the drive with a 3-year limited warranty. In terms of official random performance, the 1.92TB hard drive is rated at up to 76,000 read IOPS and 77,000 write IOPS. The 960GB drive has the fastest random read performance, up to 84,000 IOPS (up to 72,000 IOPS write, while the 240GB drive has the slowest random read, up to 40,000 IOPS (71,000 IOPS write)).
Sequential read performance is up to 560MB/s for the 480GB, 960GB and 1.92TB models, with the 256GB drive rated up to 549MB/s and the entry-level 120GB drive rated at 561MB/s. The 1.92TB drive has sequential write speeds of up to 508MB/s, followed closely by the 960GB model with speeds of up to 507MB/s. The 480MB drive is rated at up to 493MB/s, while the 240GB drive has the slowest write performance at up to 449MB/s. 120GB drives are rated up to 474MB/s. The Acer SA100 comes in five capacities 120GB, 240GB, 480GB, 960GB and the 1.92TB flagship model we're looking at here. At the heart of the SA100 is a DRAM-less design Maxio MAS0902A-B2C 4-channel controller, which in the case of the 1.92TB drive, is responsible for four 3D NAND packages.
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