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Kevin OBrien

Samsung SM843 Enterprise SSD Review Discussion

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The Samsung SM843 takes over from the PM830 as the entry and mainstream enterprise-class SSD designed for use in situations that tend to be read-intensive like compute server boot drives, higher-end client workstation needs, and certain embedded applications. The drive utilizes a SATA interface, offers a slim 7mm drive height, and leverages an in-house Samsung 20nm MLC NAND as well as a Samsung controller and firmware stack. To allay concerns, the SM843 offers write endurance of 1PB (1000TB). Design-wise, the SM843 looks much like its client-focused cousin, the 840 Pro, however the core differences are added over-provisioning in the SM843 to show higher endurance and a firmware that's tuned for workloads that are more read-heavy.

Samsung SM843 Enterprise SSD Review

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It would be interesting to compare the SM843 performance with that of a capacity-limited 256GB 840 Pro (i.e. set the 840 Pro capacity to the same as the SM843 then secure erase it). My guess is that the results would be a lot closer than when comparing the SM843 with a 512GB 840 Pro.

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