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More troubling to other SSD manufacturers, Samsung's continued momentum with each V-NAND revision makes it hard for competitors to pinpoint a performance target. This started before 3D flash but escalated when the company rolled out V-NAND. Samsung's advantage over the rest of the market is its ability to deliver the highest performance at low queue depths. You'll need to push the drives very hard with intense multitasking to reach those heights. Sequential performance weighs in at 550/520 MB/s of read/write throughput while random performance tops out at 98,000/90,000 read/write IOPS. Samsung lists identical performance specifications for every 860 EVO capacity point. They also tend to have extended idle time between bursts of activity. Consumer workloads occur almost exclusively at low-queue depths. On paper, the 860 EVO is only slightly different than the 850 series and the new 860 Pro, but most of the specifications are measured with high queue depth workloads that are more meaningful for professional products. Most companies have shifted focus to M.2 SSDs and largely ignore the legacy mSATA interface. Samsung and Mushkin are the only two SSD manufacturers to announce new mSATA SSDs in recent years.

V nand ssd testing software full#

The full range of capacities ship in 2.5' while theВ M.2В 2280 (SATA) scales up to 2TB and the mSATA model tops out at 1TB. The 860 EVO also has three different form factors. However, if you see a 1TB EVO for under $110 or a 2TB model for $200 or less, it's a really good choice.

V nand ssd testing software update#

Update (): Nearly two years after its launch, the 860 EVO is still on sale and, if it's on sale, is a good alternative to the Crucial MX500, which remains on our list of best SSDs, because of its more competitive combination of price and performance. That helps compensate for TLC's lower native write performance. The EVO series uses 3-bit per cell (TLC) flash, but it reserves 2.3% of the NAND capacity for background activities and caching.

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The 860 EVO series comes to market in the same 256GB to 4TB capacities as the 860 Pro we recently tested. Samsung managed to pull out a few other impressive numbers with the new series, but the price is not one of them. The hard limit of SATA interface is a factor, so it's more difficult to make the 860 EVO stand out from the competition based on performance alone. Samsung has made advancements with fourth generation V-NAND, but the other companies have closed the gap.

Samsung's V-NAND technology advantage has lessened now that nearly every fab is manufacturing quality 64-layer 3D NAND on a competitive node. The performance, warranty, and endurance specifications usually favor the EVO, but Samsung keeps the price close enough that most shoppers will spend a little more to get a superior product. The company's control of critical components through its internal supply chain gives it an advantage that goes beyond cost. Historically, Samsung has played with the EVO's pricing to position its products slightly higher than the competition. Samsung 860 EVO Sata III 1TB (2TB SSD) at Newegg for $86.63.