A-Data XPG SX8200 Pro M.2 ASX8200PNP-256GT-C 256 GB
 | Expecting restock $45.90 A powerful 256 GB M.2 (PCI-E 4x) SSD in a compact M.2 2280 format. It is positioned as a mid-range product designed to equip mid-range / high-end personal computers, laptops and workstations. It features decent I/O performance (220k/290k IOPS), high read/write speed (3500/1200 Mbps), and fast random block access time. The A-Data XPG SX8200 Pro M.2 SSD ASX8200PNP-256GT-C is based on the advanced Silicon Motion SM2262EN eight-channel controller, working with a 256 MB DDR3-1600 DRAM buffer. Micron's high-quality 64-layer TLC 3D NAND flash memory is used for data storage. Full-speed operation of the device is guaranteed on motherboards with an M.2 connector that supports the PCI-E 3.0 x4 interface (NVM Express version 1.3). High-speed SLC write caching of up to 8 GB is provided, which guarante...es the drive's superior performance as a system drive in typical home/professional use scenarios. The guaranteed recording resource claimed by the manufacturer is 160 TB, which corresponds to a daily data recording in the amount of 43 GB for 10 years. |
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A powerful 256 GB M.2 (PCI-E 4x) SSD in a compact M.2 2280 format. It is positioned as a mid-range product designed to equip mid-range / high-end personal computers, laptops and workstations. It features decent I/O performance (220k/290k IOPS), high read/write speed (3500/1200 Mbps), and fast random block access time. The A-Data XPG SX8200 Pro M.2 SSD ASX8200PNP-256GT-C is based on the advanced Silicon Motion SM2262EN eight-channel controller, working with a 256 MB DDR3-1600 DRAM buffer.
Micron's high-quality 64-layer TLC 3D NAND flash memory is used for data storage. Full-speed operation of the device is guaranteed on motherboards with an M.2 connector that supports the PCI-E 3.0 x4 interface (NVM Express version 1.3). High-speed SLC write caching of up to 8 GB is provided, which guarantees the drive's superior performance as a system drive in typical home/professional use scenarios. The guaranteed recording resource claimed by the manufacturer is 160 TB, which corresponds to a daily data recording in the amount of 43 GB for 10 years.
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Dual channel RAM cache
The ADATA XPG SX8200 Pro is one of the fastest 256GB PCI-E 3.0 4x SSDs available. It is based on the popular SM2262EN dual-core controller with support for 512MB dual-channel RAM and 32-bit bandwidth.
Sequential read speed 3500 Mbps
A powerful controller and fast RAM cache have a positive effect on IOPS, that is, the number of read and write operations per second — 290 and 220K, respectively. The XPG SX8200 Pro uses 3D TLC NAND flash memory, which shows a speed of 3500 MB / s in Crystal Disk Mark sequential read tests. This is a serious indicator, which actually does not differ from the claimed passport data and actually rests on the bandwidth of the PCI-E 3.0 4x bus. For comparison, the reference Samsung Evo 970 has the same 3500 Mbps.
Limitations of an SLC array
But the write speed here is much lower and is 1200 MB / s. This is 2 times lower than that of Samsung and approximately the same level as other drives operating on the PCI-E 3.0 bus. In addition, due to the use of TLC memory, a high write speed is maintained only until the volume of the virtual SLC array is exceeded, which is 15 percent of the storage capacity. After the array overflows, the speed decreases by about a quarter and the disk needs time to recover. However, this is a problem with most relatively inexpensive SSDs. But bundled with the XPG SX8200 Pro, the manufacturer gives an extended five-year warranty.
