A 4 TB SATA hard drive typically offers the following features and specifications:
1. Capacity:
- 4 TB (Terabytes) of storage space, suitable for large amounts of data, such as movies, games, and backups.
2. Form Factor:
- 3.5-inch (commonly used in desktop computers) or 2.5-inch (more common for laptops and external drives).
3. Interface:
- SATA III (6.0 Gbps): The most common interface, providing fast data transfer speeds up to 6 gigabits per second.
- Backward compatible with SATA II and SATA I, but at lower speeds (3.0 Gbps or 1.5 Gbps, respectively).
4. Rotation Speed:
- 5,400 RPM or 7,200 RPM: The spindle speed, with 7,200 RPM offering faster data access times but typically consuming more power than 5,400 RPM drives.
5. Cache (Buffer Size):
- Common cache sizes range from 64 MB to 256 MB, helping to temporarily store data for quicker access.
6. Durability:
- Designed for 24/7 operation (enterprise-grade drives).
- MTBF (Mean Time Between Failures): Typically between 1.0 to 1.5 million hours, indicating reliability over time.
- Shock resistance: Usually tested to withstand minor physical impacts.
7. Power Consumption:
- Generally, SATA drives consume 4-8 watts during operation and around 0.5-1 watt in idle mode.
8. Use Cases:
- Ideal for desktop computers, NAS (Network Attached Storage) devices, external drive enclosures, and surveillance systems.
9. Data Protection:
- Some models offer additional technologies like Error Correction Code (ECC) and vibration protection to reduce data loss or corruption.
10. Warranty:
- Usually comes with a 1 year warranty, depending on the brand and model.
These drives are a good balance of capacity and cost, often used in consumer and business-level data storage solutions.