960 Evo Buy
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The Samsung 960 EVO is a PCIe 3.0 x4 NVMe SSD that comes in a single-sided M.2 2280 form factor. It is currently available in three capacities: 250GB ($129.99), 500GB ($249.99), and 1TB ($479.99). Each are capable of 3.2GB/s read and write performance is 1.5GB/s for the 250GB, 1.8GB/s for the 500GB, and 1.9GB/s for the 1TB model. IOPS are rated up to 330K/300K read/write for the 250GB, 330/330K for the 500GB, and 380K/360K for the 1TB model. Power consumption is rated for up to 5.7W average on the 1TB model for read and 4.8W for write. The smaller capacities will consume a bit less. Idle is rated for 40mW with APST on. Total endurance numbers double with capacities. The 250GB model is rated for up to 100TB, the 500GB for 200TB, and the 1TB for 400TB. Warranty coverage is just three years in contrast to both the SATA variant and the 960 PRO, both of which have a longer 5-year warranty. So, while you get a bit more endurance with the latest EVO model, you do get a shorter warranty.
Moving onto the features, the Samsung 960 EVO boasts AES 256-bit data encryption that is TCG and Opal complaint. Currently eDrive(IEEE1667) support is under consideration, but not yet available. It also comes with the standard features of TRIM support, garbage collection, and SMART attributes. Dynamic thermal guard also keeps your drive from overheating by throttling performance as temperatures reach unsafe zones. To aid in heat damage prevention even more and also prevent form this feature from even being activated in the first place, Samsung has integrated a thin copper film into the label of the drive, just as in the 960 Pro.
Finally, the 960 EVO carries over the TurboWrite feature of the 840 & 850 EVOs, but this time around it has been revamped. In addition to the allocated space for a static SLC buffer, there is a dynamic write buffer as well. With it, the 960 EVO should perform at its peak within its static/default buffer space for what should be plenty in most use cases. If a write is larger than the default, it will simply fall over into the dynamic space if there is enough free space on the drive. If your write transfer is larger than the buffer, however, speeds will slow down. For the 250GB model it will be 300MB/s, the 500GB model it will be 600MB/s, and the 1TB model will drop to just 1.2GB/s.
This is like SSHD (HDD + 8GB of SSD Cache).960 EVO is like SSSLC (SSD + 13GB of SLC Cache)Write 20GB file on SSHD, it drops to 100 MB/s after 8GB.Write 20GB file on 960 EVO, it drops to 300 MB/s after 13GB, like any cheap SATA SSD.Just a drive to fool people in thinking they bought the greatest SSD of all time. You actually bought 13GB of fast storage + 237 GB of Kingston V300.Good job Samsung! You really know how to sell cheap products for hundreds of $$$.
Read and write top performance will ever be reached very seldom and in very specific instances. I have yet to ever see any drive reach maximum performance during true transfer testing of files, although other tests have demonstrated this.
However, like previous Samsung Evo SSDs, the 960 Evo drives are distinguished from their faster siblings by the use of TLC NAND, where three bits of data are stored in each memory cell rather than two as in the 960 Pro.
As such, the Evo drives employ SLC caching to increase short-term write speed. So while the 1TB drive can hit 1,900MB/sec sequential write speeds, it drops to 1,200MB/sec after the 42GB of SLC cache is filled. Meanwhile the smallest drive, the 250GB model, maxes out at 1,500MB/sec write and drops to 300MB/sec after 13GB has been written.
Still, the 960 Evo 500GB strikes a near-perfect balance of performance and price, while still maintaining decent capacity, hitting the sweet spot firmly on the head. If you want the best bang per buck, this is the SSD to buy.
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In this Samsung 970 Pro Review, we compare the newly launched 970 EVO and 970 PRO NVMe SSD drives to replace the older 960 Pro & EVO NVMe SSD series, thanks to Western Digital releasing their WD Black range of NVMe SSD drives, to heat up the competition.
This was however toppled by the game changing Western Digital Black NVMe release announcement, earlier this month, that deliver similar performance to the now, older 960 EVO NVMe SSD range, but at a much better price point.
Alternatively, check out my Samsung 970 EVO Plus vs 970 EVO Review or WD Black SN750 vs WD Black (2018), to see how the new 2019 models compare to lasts years versions, as well as my 970 EVO Plus vs 860 EVO Review to see just how fast this new badboy is.
The Samsung 970 PRO is a 2bit MLC (Multi-Level Cell), while the 970 EVO is also marketed MLC, but its a 3bit. Now this might have just confused you slightly, because the above bullet points tell us that MLC is 2 bit and TLC is 3 Bit.
With Western Digital releasing the Black range to compete with their Samsung 860 range, just a few months back, was not something Samsung were going to take lying down, so they fought back to once again crown themselves king of NVMe speeds.
The real difference between the two generations of Samsung NVMe SSD Drives, is the write speed. As photographers and videographers, sequential write speed is what we look for in SD Cards and SSD Drives when using external monitors or recorders, such as the recently announced, Atomos Ninja V.
Below is a chart comparing all the advertised write speeds. Note that these are the companies best/optimal results, meaning that in the real world tests (below this) will show speeds that are slightly slower. The real world speeds will vary depending on various factors such as the speed of the other components of your computer.
The Western Digital Black 1TB NVMe has a marketed sequential write speed of 2,800MB/s, putting it ahead of the Samsung 970 PRO, but only if you buy the 1TB version of the WD Black NVMe, as the 500GB WD Black NVMe is slightly slower at 2,500MB/s, while the 250GB WD Black NVMe, caps at a sequential write speed of 1,600MB/s.
Think of it as a sprinter or a cheetah. They can do excessive high speeds, but only for a short amount of time, before they start to eventually slow down. The same happens with the 970 EVO NVMe drives.
Samsung are able to reach very similar speed with the 970 EVO as the 970 PRO, by treating some of the TLC as SLC (Single-Level Cell) which is a 1bit, giving it that burst of speed, which creates a much faster NAND cache speed performance. It cannot however retain that burst forever, and once it reaches the cap, it will slow down to 3bit again.
Looking at the above, you will quickly see that the bigger the capacity of the 970 EVO SSD NVMe drive you have, the better TurboWrite speeds become. This also increases how big the files or folders are that the TurboWrite will support.
The Samsung 970 EVO 500GB ($87.99) sustained write speeds that were on par with the Samsung 970 PRO 500GB (Price not available) and the 500GB Western Digital Black NVMe (Price not available), (actually a little faster on one or two tests), until it was required to write a very large amount of data, being above its 22GB TurboWrite limit.
The sustained write performance halved around the 22GB mark, when the DRAM and NAND caches were exhausted. This caused the the write speed to drop to around the 600MB/s mark, which remained true to the chart indication, provided by Samsung.
NOTE: This performance limitation depends on which capacity 970 EVO drive you buy. The 1TB Samsung 970 EVO will copy up to 42GB files at full Turbo write speed of 2,500MB/s and only slow down to 1,200MB/s when its larger than that.
The TurboWrite limitation only applies to the cheaper 970 EVO range due to it being a TLC (Triple-Level Cell/3bit), instead of the 970 PRO version which uses the MLC (Multi-Level Cell/2bit) technology. Thus if you buy the more expensive 970 PRO version, you will benefit from the full sustained write speed not matter what the size of the file you are copying.
Again these are rare and extreme situations, depending on what you use the SSD drives for. Video editors shooting in RAW, often need to copy huge files from one drive to another, so in that case you will definitely be best off with the Samsung 970 PRO or even the Samsung 970 EVO 2TB, which only slows down when copying files larger than 78GB, which is massive, even for RAW.
If you just need a M.2 NVMe SSD to speed up your computer and editing then the Samsung 970 EVO is a solid buy, although the Western Digital Black NVMe Drives are similar if not better in some cases. If are looking for the drive with the most storage space for the lowest $ per GB, then you will need to go with the Samsung 970 2TB version, as WD Black only offers, up to a maximum of a 1TB version.
The 970 EVO now officially supporting up to 1,200TBW (TeraBytes Written) with its 2TB version, while the 1TB version offers 600TBW, the 500GB offering 300TBW and lastly the 250GB offering 1TB version offers 150TBW.
Taking into consideration that the Samsung 970 Pro 1TB retails for $348.99 and the Samsung 970 EVO 2TB retails for $730, (with no real difference in speeds and endurance), you actually gain an extra 1TB of capacity for an extra $355, which is almost the same price per GB as the Samsung 970 Pro 1TB. 59ce067264
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