Specifications of TOSHIBA 4TB S300 HDWT840 Hard Drive:

• Type: Internal Hard Disk Drive (HDD)

• Series: Toshiba S300 (for surveillance systems)

• Capacity: 4 TB

• Interface: SATA III (6 Gb/s)

• Rotation Speed: 5400 RPM

• Buffer (Cache): 256 MB

• Form Factor: 3.5 inch

• Purpose: Surveillance systems (24/7), DVR, NAS

• Reliability: Designed for continuous 24/7 operation

• Model: HDWT840UZSVA