A-Data LEGEND 900 SLEG-900-1TCS 1 TB
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Compact M.2 2280 SSD, which represents the new A-Data Legend product line and goes beyond the mid-range in its capabilities. The drive operates under the control of a modern 4-channel controller, supports the NVMe 1.4 protocol, and uses the technically advanced PCIe 4.0 interface for data exchange. The linear write speed declared by the manufacturer is 4700 MB/s, the read speed reaches 7000 MB/s, which is two to three times higher than similar solutions with the PCIe 3.0 interface and tens of times faster than conventional HDD drives.
It does not have its own DRAM buffer, but thanks to HMB support and the presence of a dynamic SLC cache, it is able to use a small fragment of system memory as a buffer. And a fairly solid DWPD figure allows you to overwrite 50% of the available memory every day. This is about 500 GB per day. Add solid IOPS performance (note: efficiency with small 4K blocks) and you get a universal drive that will serve equally well in a gaming PC or a work computer for processing.
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog A-Data 2026 - new arrivals, bestsellers, and the most relevant models A-Data.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog A-Data 2026 - new arrivals, bestsellers, and the most relevant models A-Data.
TLC, QLC, MLC, SLC: which type of drive memory is better?Important differences between the types of NAND memory TLC, QLC, MLC, SLC, which determine the scope of their use and development prospects
How to choose the right SSDChoosing an SSD with the required speed and good reliability for home, work and gaming
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ADATA LEGEND 900 M.2 1 TB PCI Express 4.0 3D NAND NVMe SLEG-900-1TCS | £163.33 |  | |||
ADATA LEGEND 900 M.2 1 TB PCI Express 4.0 3D NAND NVMe | £163.33 |  | |||
| £166.60 |  | ||||
ADATA LEGEND 900 1TB M.2 Gen 4 NVMe SSD - Read 7000MB/s Write 4700MB/s - SLEG-900-1TCS SLEG-900-1TCS | £209.99 |  | |||
ADATA LEGEND 900 1 TB M.2 PCI Express 4.0 NVMe 3D NAND SLEG-900-1TCS | £250.11 |  | |||
Series A-Data LegendCompare using chart →
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6000 MB/s, read: 7400 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D NAND, write: 4000 MB/s, read: 6000 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 4700 MB/s, read: 7000 MB/s, warranty 5 years
512 GB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 2300 MB/s, read: 6200 MB/s, warranty 5 years
256 GB, M.2, 22x80, PCIe 3.0 4x, 3D QLC NAND, write: 1000 MB/s, read: 2100 MB/s, warranty 3 years
512 GB, M.2, 22x80, PCIe 3.0 4x, 3D QLC NAND, write: 1000 MB/s, read: 2400 MB/s, warranty 3 years
500 GB, M.2, 22x80, PCIe 4.0 4x, 3D NAND, write: 3000 MB/s, read: 5000 MB/s, warranty 5 years
2 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6500 MB/s, read: 7400 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D NAND, write: 6000 MB/s, read: 7400 MB/s, DRAM buffer, warranty 5 years
2 TB, M.2, 22x80, PCIe 4.0 4x, 3D NAND, write: 5000 MB/s, read: 6000 MB/s, warranty 5 years
4 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6500 MB/s, read: 7400 MB/s, warranty 5 years
2 TB, M.2, 22x80, PCIe 3.0 4x, 3D QLC NAND, write: 1800 MB/s, read: 2400 MB/s, warranty 3 years
2 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 5400 MB/s, read: 7000 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 3.0 4x, 3D QLC NAND, write: 1800 MB/s, read: 2400 MB/s, warranty 3 years
500 GB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 2200 MB/s, read: 3500 MB/s, warranty 3 years
2 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 2800 MB/s, read: 3500 MB/s, warranty 3 years
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Buying an SSD is a lottery regarding the declared characteristics, especially in the budget segment from 2000 to 3000 UAH. It gives the declared speeds, but only until the cache is full. SMART is determined very strangely (only through HWI and Victoria). According to reviews, I expected TLC memory, but received QLC. But I think it will do for a gaming file dump. 5 years warranty, does not heat up even with the included radiator (53 degrees max), according to the sensor QLC memory type, after cache overflow write speed drops sharply, uninformative native application |
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We recommendCompare using chart →
1 TB, M.2, 22x80, PCIe 3.0 4x, 3D TLC NAND, write: 1600 MB/s, read: 2200 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 3900 MB/s, read: 5000 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, write: 7900 MB/s, read: 10000 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 3.0 4x, 3D TLC NAND, write: 2500 MB/s, read: 3400 MB/s, DRAM buffer, warranty 5 years
1 TB, M.2, 22x80, SATA 3, 3D TLC NAND, write: 510 MB/s, read: 560 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6800 MB/s, read: 7300 MB/s, DRAM buffer, warranty 5 years
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6500 MB/s, read: 7400 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 3.0 4x, 3D TLC NAND, write: 3200 MB/s, read: 3450 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 4900 MB/s, read: 5150 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, write: 7500 MB/s, read: 14000 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, write: 8400 MB/s, read: 10200 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 3.0 4x, 3D TLC NAND, write: 1650 MB/s, read: 2100 MB/s, warranty 3 years