![]() ![]() ![]() The drive has a PSID, which is the twenty-digit code you'll need to perform a cryptographic erase. According to the website, the 850 does not feature TCG Opal or Microsoft's eDrive encryption. When we examine downstream models, it's often better to start with the features that are not available, rather than those that are. A significant number of modern PC games consume up to 100GB, so we had to draw the line at a reasonable amount of usable storage capacity. Meanwhile, the size of applications has also grown. Performance has also been very low in the products we've tested. ![]() That wasn't the only reason we abandoned this capacity class, though. ![]() We expected 512GB to be the lowest capacity with SSDs featuring new high-density 64-layer 3D NAND, but the flash shortage stifled progress and led to inflated pricing. We abandoned testing 128GB-class SSDs two years ago. Both models boast the same "up to" 88,000 random write IOPS rating. The 850 has slightly lower random read performance of 70,000 IOPS compared to the EVO's 94,000 IOPS. The 850 and the 850 EVO have the same 540/520 MB/s sequential read/write specifications. According to the specifications on Samsung's Chinese site, the new 850 uses the MGX controller from the 850 EVO series, though we suspect there may have been firmware enhancements. Samsung's website only lists the 120GB model, and our reseller only had access to this capacity. That's when we expect it to roll out new retail SSDs. Samsung isn't saying much for now, but it should answer our questions in early 2018. Customers often do not select the components in those systems, so the OEM models fly under the radar. These drives often sell in basic systems from Dell, Lenovo, and other OEM brands. The company has already released several new versions of its OEM models, such as the PM871b, with 64-layer V-NAND. Samsung's Australian site also lists it as "end of life" status (opens in new tab). The Samsung 650 (opens in new tab) with 32-layer V-NAND (3D) has been out of stock at Newegg for several months. The Samsung 850 could also replace the true entry-level 650 SSD that most of us have never heard of. ![]()
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