Samsung 870 EVO Internal SSD (MZ-77E2T0B/AM) 2TB 2.5" SATA III

Product Information

Given the roughly three-year cadence Samsung has set for their SATA SSD updates, the 870 generation may also be the last. Samsung 870 EVO Specifications In that quest, the Samsung SSD 870 EVO succeeds handily, setting new records for SATA while also keeping the drive just about competitive with M.2 drives when launching games or Adobe Photoshop. If you're married to SATA pricing (or your PC can't handle anything else) but want to optimize 4K performance, the Samsung SSD 870 EVO is the best new SATA drive of the early days of 2021. It should be at the top of anyone's list who wants the best combination of performance, product quality, and price in a 2.5-incher.

As for the PCMark 10 Copy Tests tab (the last tab in the chart above), those numbers tie in with the next test set... Speed and Copy Tests We test all of our SATA and PCI Express 3.0 SSDs on PC Labs' main storage testbed, which is built on an Asus Prime X299 Deluxe motherboard with an Intel Core i9-10980XE Extreme Edition CPU. The other factor in this is that we recently updated our SSD test suite for 2021, which means re-testing older drives for new performance numbers. In our SSD test suite 2021 article, we prioritized NVMe SSDs, as that is where the market is. We are getting around to retesting the older SATA drives, although these take the longest time to complete - 24 hours for a fast 1 TB drive, up to 100 hours or more for a 4 TB drive,not including the analysis.It'll be a sweater-weather kind of day down below before we see SATA 3.0 speeds make any sort of jumps in sequential throughput, so until then, companies like Samsung are focusing their storage efforts where they can: improving speeds for real-world 4K random read and write scenarios.

Looking inside the cases, it’s interesting to see how small the drives have become. While the 2.5″ SATA case is a bit overkill for these drive innards, the compact nature of these next-generation drives is more towards how they get leveraged in small external devices. Not a lot is needed to hit the capacity requirements. Samsung 870 EVO PerformancePerformance-wise, the Samsung 870 EVO is quoted to deliver sequential read and write speeds of 560MB/s and 530MB/s, respectively, while random performance is expected to hit up to 98,000 IOPS read and 88,000 IOPS writes. This is only a slight upgrade in sequential read performance over the 550MB/s offered by the 860 EVO (which is expected, since the drive’s performance is capped by the SATA interface), with Samsung claiming a 38% increase in random read performance speeds. To help sustain these performance numbers, the EVO line leverages Intelligent TurboWrite technology. In 64K write, the 1TB Samsung 870 EVO peaked at 5,902 IOPS (or 369MB/s) with 2,692ms before taking a hit in performance at the very end. The 4TB model showed a peak at 6,680 IOPS (or 418MB/s) at 2,379ms. The Samsung 860 EVO showed performance right in between the two 870 EVO capacities. The reliability factor of both these SSDs is good enough. We are getting what we are paying for. For a normal or even a hardcore computer user, these numbers are just great. 4. NAND Type, DRAM, and Controller Specification