
Samsung 840 Pro 2.5 256GB SATA III Solid State Drive
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Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The Samsung 840 Pro is a 2.5-inch SATA III solid state drive with 256GB of capacity and rated sequential reads up to 540 MB/s. It was one of the fastest SATA drives of its generation, using MLC NAND and Samsung's own controller, and it earned a reputation for consistent speed and long service life. It suits older laptops and desktops that need a fast, reliable boot drive on a SATA port. Against newer SATA drives it holds up on everyday responsiveness but trails on capacity per dollar and lacks the endurance ratings and warranty length of current models.
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Lowest price we've seen: $179.99 on Nov 10 at Newegg. Tracked across 1 store since Nov 10.
Owners and reviewers rate the 840 Pro highly for real-world speed and reliability, and many report years of trouble-free use. The main complaints are its age, capacity and the fact that newer drives beat it on value.








