Western Digital Blue 1TB | 2TB | 4TB 3.5″ SATA HDD Storage

Form Factor: All variants come in the standard 3.5-inch size for desktop computers.
Interface: Every model uses the SATA 6 Gb/s interface.
Capacity: The available storage options include 1TB, 2TB, and 4TB versions.
Disk Speed (RPM): Varies by capacity; 1TB drives typically run at 7,200 RPM, while 2TB and 4TB models often use 5,400 RPM for better power efficiency.
Cache: Cache sizes are 64MB for the 1TB drive, and 256MB for the 2TB and 4TB models.
Recording Technology: While the 1TB and 4TB drives use the faster CMR technology, some 2TB versions might use SMR for higher storage density.
Best Use: All are suitable for reliable, everyday computing and general data storage.