WD Black WD4003FZEX 4 TB cache 64 MB
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4 TB, built-in, server, 3.5 ", buffer: 128 MB, 7200 rpm, connection: SATA3, warranty 5 years
4 TB, built-in, for PC, 3.5 ", buffer: 128 MB, write CMR, 5400 rpm, connection: SATA3, warranty 2 years
4 TB, built-in, server, 3.5 ", buffer: 256 MB, write CMR, 7200 rpm, connection: SATA3, warranty 5 years
4 TB, built-in, for PC, 3.5 ", buffer: 256 MB, write CMR, 5400 rpm, connection: SATA3, warranty 2 years
4 TB, built-in, for PC, 3.5 ", buffer: 256 MB, write SMR, 5400 rpm, connection: SATA3, warranty 2 years
4 TB, built-in, server, 3.5 ", buffer: 64 MB, write CMR, 5900 rpm, connection: SATA3, warranty 3 years
4 TB, built-in, server, 3.5 ", buffer: 128 MB, write CMR, 5400 rpm, connection: SATA3, warranty 3 years
4 TB, built-in, server, 3.5 ", buffer: 256 MB, write SMR, 5400 rpm, connection: SATA3, warranty 5 years
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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.
Series WD Black (dynamic caching)Compare using chart →
500 GB, built-in, for PC, 2.5 ", buffer: 32 MB, write CMR, 7200 rpm, connection: SATA3, warranty 5 years
8 TB, built-in, for PC, 3.5 ", buffer: 256 MB, write CMR, 7200 rpm, connection: SATA3, warranty 5 years
10 TB, built-in, for PC, 3.5 ", buffer: 512 MB, write CMR, 7200 rpm, connection: SATA3, warranty 5 years
4 TB, built-in, for PC, 3.5 ", buffer: 256 MB, write CMR, 7200 rpm, connection: SATA3, warranty 5 years
1 TB, built-in, for PC, 2.5 ", buffer: 64 MB, write SMR, 7200 rpm, connection: SATA3, warranty 5 years
500 GB, built-in, for PC, 2.5 ", buffer: 64 MB, write SMR, 7200 rpm, connection: SATA3, warranty 5 years
2 TB, built-in, for PC, 3.5 ", buffer: 64 MB, write CMR, 7200 rpm, connection: SATA3, warranty 5 years
6 TB, built-in, for PC, 3.5 ", buffer: 128 MB, write CMR, 7200 rpm, connection: SATA3, warranty 5 years
1 TB, built-in, for PC, 3.5 ", buffer: 64 MB, write CMR, 7200 rpm, connection: SATA3, warranty 5 years
6 TB, built-in, for PC, 3.5 ", buffer: 256 MB, 7200 rpm, connection: SATA3, warranty 5 years