Specification
WESTERN DIGITAL CAVIAR SE16 400GB 7200RPM 16MB SATAII - WD4000AAKS
Caviar SE16 400GB SATA II 7200 16MB
WD Caviar® SE16 7200 RPM next-generation SATA hard drives feature up to 500 GB of storage and a 16 MB cache for lightning-fast performance. Yes, these reliable drives are fast, but they still deliver technologically advanced acoustics and cool operation. Designed for high-performance computers, multimedia and gaming systems.
Key Features:
- 16 MB cache - Bigger cache means faster performance. A massive 16 MB cache combined with up to 300 MB/s transfer rate make these ultra-fast drives the perfect solution for the fully loaded PC with a fast processor.
- Cool operating temperature - WD hard drives are designed to have the lowest power consumption of any high-capacity, desktop-class hard drive which lowers the operating temperature for enhanced drive reliability.
- Whisper quiet - These highly reliable drives deliver technologically advanced acoustics. With its WhisperDrive™ and SoftSeek™ technologies, WD has minimized noise to levels virtually imperceptible to the human ear in home and business environments.
Ideal For:
- Designed for use in the fastest PCs on the market, including high-performance business computers, multimedia and gaming systems.
How this WD hard drive protects your data:
- Data Lifeguard™ is an exclusive set of data protection features, including shock protection, an environmental protection system and real-time embedded error detection and repair. WD's Data Lifeguard technology automatically finds, isolates, and repairs problems that may develop over the life of a hard drive.
- Data Lifeguard Tools™ are software utilities designed for WD hard drives that work with the embedded Data Lifeguard features to make hard drive installation,diagnostics and repair both simple and worry-free. (Download Data Lifeguard Tools)
- ShockGuard™ instantaneously protects the hard drive against damage from bumps and vibrations while it is running. This technology enables WD Caviar drives to achieve industry-leading shock specifications.
| Feature | Product Features |
| Disk drive |
| Internal | Y |
| Hard disk rotational speed | 7200 RPM |
| Hard disk drive capacity | 400 GB |
| Write Seek | 10.9 ms |
| Read Seek | 8.9 ms |
| Average latency | 4.2 ms |
| Track to track seek time (read/write) | 2.0 ms |
| Hard disk interface | Serial ATA II |
| Drive device, buffer size | 16 MB |
| Hard disk size | 3.5 " |
| Full stroke seek | 21.0 ms |
| Start/Stop cycles | 50000 |
| Data transmission |
| Hard disk transfer rate | 748 Mbit/s |
| Drive device, transfer rate | 300 MB/s |
| System requirements |
| Mac Compatibility | N |
| Compatibility | PC's |
| Sound emission |
| Acoustic Pressure Emissions | 33 dB |
| Environmental conditions |
| Operating shock | 65 G |
| Operating temperature range (T-T) | 5-55 °C |
| Operating altitude | -305 - 3050 m |
| Operating Humidity Range | 5-95 % |
| Storage temperature range (T-T) | -40-65 °C |
| Storage humidity | 5-95 % |
| Non-operating altitude | -305 - 12200 m |
| Non-operating shock | 250 G |
| Energy management |
| USB powered | N |
| External power adapter | N |
| Power consumption | 9.50 W |
| Power consumption (standby) | 1.60 W |
| Weight & dimensions |
| Dimensions W x D x H | 101.6 x 147 x 26.1 mm |
| Weight | 600 g |
| Height | 26.1 mm |
| Width | 101.6 mm |
| Depth | 147 mm |