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The SanDisk X400 is a 2.5-inch SATA III solid state drive aimed at laptops and desktops that still use a hard drive bay. It reads up to 540 MB/s and writes up to 520 MB/s, which is typical for a mainstream SATA SSD and far faster than any spinning drive. Its 256GB capacity suits a boot drive plus everyday apps, but not large game libraries. Against budget SATA rivals it holds its own on speed; its edge is SanDisk's flash reliability reputation rather than headline performance.
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Lowest price we've seen: $85.00 on Nov 10 at Newegg. Tracked across 1 store since Nov 10.
Owners of the X400 line generally report it does what a budget SATA SSD should: boots systems quickly and stays reliable over years of use. Complaints center on capacity and on write speeds falling during large transfers rather than on failures.
