WD Ultrastar DC SN640 WUS4BB038D7P3E4 3.84 TB (0TS1851)
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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 WD 2026 - new arrivals, bestsellers, and the most relevant models WD.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog WD 2026 - new arrivals, bestsellers, and the most relevant models WD.
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
Buy WD Ultrastar DC SN640 WUS4BB038D7P3E4 3.84 TB
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Western Digital WUS4BB038D7P3E4 WD 3.84TB PCI Express NVMe 3.1 x4 TLC U.2 2.5-inch SSD new WUS4BB038D7P3E4 | $1,747.18 |  | |||
Western Digital WUS4BB038D7P3E4 | Ultrastar DC SN640 Series 3.84TB Triple-Level Cell PCI Express NVMe 3.1 x4 3D NAND (TCG Ru | $1,792.89 |  | |||
Western Digital 0TS1851 WD 3.84TB PCI Express NVMe 3.1 x4 TLC U.2 2.5-inch SSD new 0TS1851 | $1,804.87 | | |||
Western Digital 0TS1851 | Ultrastar DC SN640 Series 3.84TB Triple-Level Cell PCI Express NVMe 3.1 x4 3D NAND (TCG Ruby Encry | $1,852.11 | | |||
Series WD Ultrastar (data centre)Compare using chart →
server, 400 GB, 2.5", 3D TLC NAND, write: 2120 MB/s, read: 2150 MB/s, SAS, warranty 5 years
server, 1.6 TB, 2.5", 3D TLC NAND, write: 2120 MB/s, read: 2150 MB/s, SAS, warranty 5 years
server, 1.92 TB, 2.5", 3D TLC NAND, write: 2280 MB/s, read: 3470 MB/s, U.2, warranty 5 years
server, 3.84 TB, 2.5", 3D TLC NAND, write: 3250 MB/s, read: 3470 MB/s, U.2, warranty 5 years
server, 7.68 TB, 2.5", 3D TLC NAND, write: 3200 MB/s, read: 3470 MB/s, U.2, warranty 5 years
server, 3.2 TB, 2.5", 3D TLC NAND, write: 3300 MB/s, read: 3470 MB/s, U.2, warranty 5 years
server, 6.4 TB, 2.5", 3D TLC NAND, write: 3200 MB/s, read: 3470 MB/s, U.2, warranty 5 years
server, 15 TB, 2.5", 3D TLC NAND, write: 3190 MB/s, read: 3470 MB/s, U.2, warranty 5 years
server, 3.84 TB, 2.5", 3D TLC NAND, write: 2040 MB/s, read: 3330 MB/s, U.2, warranty 5 years
server, 15 TB, 2.5", 3D TLC NAND, write: 2800 MB/s, read: 6600 MB/s, U.3, warranty 5 years
server, 7.68 TB, 2.5", 3D TLC NAND, write: 1900 MB/s, read: 6500 MB/s, U.3, warranty 5 years
We recommendCompare using chart →
server, 3.84 TB, 2.5", 3D TLC NAND, write: 3250 MB/s, read: 3470 MB/s, U.2, warranty 5 years
server, 3.84 TB, 2.5", 3D TLC NAND, write: 8200 MB/s, read: 14500 MB/s, U.2, warranty 5 years
server, 3.84 TB, 2.5", 3D TLC NAND, write: 3400 MB/s, read: 6500 MB/s, U.2, warranty 5 years
1 TB - 4 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, 13700 / 13800 MB/s, IOPS 2200 / 2300 K, 14500 / 14900 MB/s, IOPS 1800 / 2200 K
1 TB - 8 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, 6300 / 6600 MB/s, IOPS 1100 / 1200 K, 7200 / 7300 MB/s, IOPS 800 / 1200 K
500 GB - 4 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND / 3D QLC NAND, 4000 - 5000 MB/s, IOPS 770 / 900 K, 5000 - 5500 MB/s, IOPS 460 - 730 K
1 TB - 4 TB, M.2, 22x80, PCIe 5.0 2x, 3D TLC NAND, 6300 MB/s, IOPS 1350 / 1400 K, 7150 / 7250 MB/s, IOPS 850 - 1050 K
1 TB - 4 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, 10200 - 12700 MB/s, IOPS 1750 / 1800 K, 13600 - 14500 MB/s, IOPS 1400 - 1550 K
1 TB / 2 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, 8700 / 9500 MB/s, IOPS 1500 K, 10000 / 11000 MB/s, IOPS 1500 K
1 TB - 8 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, 13300 / 13400 MB/s, IOPS 2600 K, 14700 / 14800 MB/s, IOPS 1850 / 2200 K
500 GB - 4 TB, M.2, 22x80, PCIe 4.0 4x, 3D QLC NAND, 3500 / 6000 MB/s, IOPS - / 1000 K, 6000 / 7100 MB/s, IOPS - / 1000 K