[PConline evaluation] In fact, as early as last year's Taipei Computer Show Plextor has already demonstrated this Plextor M8V SSD, compared with the previous generation M7V, the biggest difference is the use of the latest 64-layer 3D stack TLC flash memory. The 64-layer 3D stacking flash memory can achieve a 40% increase in capacity compared to the 48-layer 3D NAND unit, which can effectively reduce the flash area. This also means that the manufacturing cost of the SSD will be further reduced, but the performance will not be affected and it will allow The market price of solid-state hard drives is dropping, benefiting consumers. Can this M8V SSD meet the flag of M7V and become a qualified successor to Putech's mainstream SATA SSD? Let's take a look together.
Plextor PX-512M8VC electricity supplier price reading ...
Product out of the box
Today's evaluation is the M8V series of M8VC models. The biggest difference between the two is that the M8VG is an M.2 interface, while the M8VC is a traditional 2.5-inch hard disk. Compared with the previous generation of white packaging red lines, M8V's outer packaging is more visual impact and appeal, because Plextor dyed the entire outer packaging are red, can be considered with the product body color match each other.
The product body continued the style of the family, with the same kind of red as the background, and overall it was still very fluent. The use of aluminum alloy on the material, the surface of the metal wire drawing process, the overall impression of the craftsmanship. Different from the second and third tier manufacturers, first-tier big manufacturers tend to pay more attention to the carving of product details, leaving a deep first impression on consumers. This is also reflected in the Plextor M8V.
The sticker on the back of the product is affixed with a description of the product. Although the above text is a traditional character, we can see that the 512GB version is used in this test. The product actually has 256GB and 128GB versions. A total of three specifications.
Product dismantling
We took the product apart and saw two flash particles on the back of the PCB. We used Toshiba's 64-layer 3D stack flash memory with a single capacity of 128GB. According to official sources, the internal granules are four 256Gb core flash memory (1GB = 8Gb). It should be noted that after the product is opened, it cannot be repaired. Do not imitate it.
On the front of the PCB, apart from the two other Toshiba flash memory chips, we can see a 1GB Samsung DDR3L cache and SMI 2258 master. In terms of caching, the different sizes of the cache are not the same. The 512/256/128GB three M8Vs with different capacities correspond to 1GB, 512MB, and 256MB, respectively. The 512GB M8V vs. M7V cache is 256MB larger. Cache is more conducive to SSD to improve 4K random read and write capabilities.
SMI 2258 is the master controller developed by Taiwan-based company Hui Rong. It is manufactured on 40nm process, 4-CH channel, supports 1znm TLC Flash and 3D TLC Flash, and supports SATA 3 interface. It also uses unique NANDXtend error correction technology. Use low density parity check (LDPC) and RAID correction techniques to increase TLC lifetime. General TLC's P/E erase life is 500~1000 times, but Plextor officially claims that M8V's P/E erase life can reach more than 2000 times, in addition to using the latest 64-layer 3D stack flash memory for Plextor. In addition to the advocacy of courage, this SMI 2258 controller has also contributed a lot to extending the TLC erasure life.
testing platform
Test platform description: The test platform adopts the mainstream I7 7700K+Z270 platform. The main disk adopts the XM240 240GB solid-state hard drive, and the slave disk is the Plextor M8V 512GB solid-state hard drive. Unfortunately, the computer did not read the hard disk temperature. We will use this platform to conduct performance tests on the Plextor M8V. Plextor officially claims that the maximum continuous read/write speed of the SSD is 560/520MB/s, and the random read/write speed is 82000/81000 IOPS. How does it perform in the actual measurement?
Performance TestingCrystalDiskMark test:
Test Summary: In the CDM test to read and write smaller packets, Plextor M8V maximum continuous read and write speeds can reach 564.6MB / s and 527.2MB / s, slightly higher than the official claims that the maximum continuous read and write speeds, has basically reached SATA SSD performance limit. 4K reading and writing capabilities are relatively good, reaching 42MB/s and 147MB/s, as compared to the previous generation M7V's 4K random read/write capability is about 40MB/s and 100MB/s. But this is the result of reading and writing smaller packets. It may be due to its cache. In order to get a more realistic performance of this product, we have tested a larger packet, and the maximum continuous write performance will decline at this time. At 346MB/s, there is no change in other performance. We can conclude that in the CDM test, the Puket M8V will perform more generally when writing large packets, and it will perform well in other aspects.
AS SSD Benchmark Test:
Test Summary: In the continuous reading and writing test, the fastest continuous read and write speed of Plextor M8V SSD is 532.19MB/s and 398.77MB/s, which is slightly inferior to the performance in CDM test.
Anvil`s Storage Utilities test:
Test Summary: The Plextor M8V scored 4707.94 points on the Anvil's Storage Utilities test, which is higher than most SATA SSDs. Random reads, writes, respectively, 87,000 and 62,000 IOPS, random reads higher than the official publicity of 82,000 IOPS, but random writes did not reach the official promotion of 81,000 IOPS, but overall in the SATA The performance in SSD is very good.
PCMark8 Performance Test:
Test summary: Score 4962 points in the PCMark 8 test, which is better than most SATA SSDs.
HD tune test:
Test summary: HD tune test can use up to 40GB of test files, easily across the cache of the threshold, eliminating the acceleration of the product cache measured the real results of this product TLC particles. However, this is of little significance to the average consumer, because the average consumer has a limited chance to continue reading and writing on a large scale for a long time. It is only valuable for some users with specific needs, but these users mostly buy more expensive MLC or SLC products. Of course, we maintain an objective and rigorous attitude, we still tested the performance of the product in a large-scale continuous reading and writing, results as above, the real read and write speed of particles is 466.4/313.1MB/s, and the performance is good.
PConline evaluation room summaryConstrained by the theoretical maximum bandwidth of the SATA interface, the Plextor M8V as a SATA SSD will not naturally leapfrog in performance, but most of the performance is still stable compared to the previous generation. Nowadays, the performance of SATA SSD has basically been established. Consumers value the durability and cost-effectiveness of the product. How do the two aspects of the Plextor M8V perform?
In terms of durability, Plextor officially stated that the number of P/E erasures of the M8V can reach 2,000 times. What is the concept? If you write as much data as 128GB a day into the Plextor M8V 512GB SSD, then about 20 years later, this hard disk will be scrapped. So you do not have to worry about the life of TLC particles, Pokker this M8V nearly 2,000 times the P / E rewritable times can already meet consumer demand.
As for price, the Plextor M8V is even cheaper than its predecessor. The three versions of 512/256/128GB were priced at 1159/599/399 yuan on the JD platform, which was 120/50/70 lower than the M7V price. Although the product price is not much, but considering the enhancement of performance, we can see that the use of 64-layer 3D stack flash memory is still effective in compressing the product cost. The new technology is not an idyllic gimmick. It is to make consumers truly profitable. Now.
With better performance and lower prices, the Plextor M8V is undoubtedly the qualified successor of Plextor M7V.
CPU Intel i7-7700K Motherboard ROG MAXIMUS IX FORMULA Memory Zhichi Trident Z RGB DDR4-3200 8G×2 Hard Drive Geng XM240 240GB Power Supply Zhenhua Iceberg Kingdee 1300W Graphics Operating System Windows 10 Pro 64bit Graphics Driver NVIDIA GeForce 388.13Ultra Transparency High Resolution Sky Curtain
Ultra Transparency High Resolution Sky Curtain,Led Ad Wall Display Screen,Outdoor Led Digital Signage,Application Of Display Grille Screen
Kindwin Technology (H.K.) Limited , https://www.szktlled.com