Product Specifications
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WD Red™ Pro Specifications 4 TB Model number1 Interface Formatted capacity2 Form factor Advanced Format Native command queuing RoHS compliant3 WD4001FFSX SATA 6 Gb/s 4 TB 3.5-inch Yes Yes Yes Performance Data transfer rate (max) Buffer to host Host to/from drive (sustained) Cache (MB) Rotational speed (RPM) 6 Gb/s 171 MB/s 64 7200 Reliability/Data Integrity Load/unload cycles4 600,000 Non-recoverable read errors per bits read
WD Red™ Pro Specifications 4 TB Model number1 Interface Formatted capacity2 Form factor Advanced Format Native command queuing RoHS compliant3 WD4001FFSX SATA 6 Gb/s 4 TB 3.5-inch Yes Yes Yes Performance Data transfer rate (max) Buffer to host Host to/from drive (sustained) Cache (MB) Rotational speed (RPM) 6 Gb/s 171 MB/s 64 7200 Reliability/Data Integrity Load/unload cycles4 600,000 Non-recoverable read errors per bits read