Samsung recently officially launched 870 qvo series SATA hard diskThe maximum capacity of QLC flash memory is 8tb, which is also the largest capacity in SATA. However, it will be available in August. Now there are 1TB and 4tb versions on the market in China, and the prices are 849 yuan and 4099 yuan respectively.
The 860 qvo previously was Samsung's first generation QLC hard disk, and today's 870 qvo is the second generation QLC hard disk. It uses Samsung's 92 layer stack QLC flash memory, with a core capacity of 1024gbit, and four capacities of 1TB, 2TB, 4tb and 8tb. The maximum capacity is doubled compared with the previous generation. Each capacity is equipped with 1GB, 2GB, 4GB and 8GB lpddr4 cache.
In terms of performance, 870 qvo all have SLC cache, and the master controller has lpddr4. The continuous read speed is 560mb / s, the write speed (SLC) is 530mb / s, and the cache write full rate is reduced to 60-160mb / s.
In terms of durability, the total write capacity of 8tb is 2880tb, and the daily full disk write is about 0.3 times, with a 3-year warranty.
At present, 870 qvo series hard disks, mainly 1TB and 4tb versions, have been put on shelves in domestic e-commerce channels,The price of the former is 849 yuan and the deposit is 50 yuan. The final payment is 50 yuan, equivalent to 799 yuan,In fact, this price has little advantage in 1TB hard disk, but it is Samsung's own QLC hard disk.
The price of 4tb version is 4099 yuan, and the deposit is 100 yuan, which is 100 yuan higher than 860 qvo 4tb version. Generally speaking, the price performance ratio is not high. We all know that.
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