磁盘驱动器
| 平均等待时间 |
4.2 ms |
| 驱动器就绪时间 |
13 s |
| 硬盘容量 |
640 GB |
| 硬盘转速 |
7200 RPM |
| 硬盘接口 |
Serial ATA II |
| 硬盘尺寸 |
3.5 " |
| 传动装置，缓冲区大小 |
32 MB |
| 每扇面字节数 |
512 |
| 硬盘头数量 |
5 |
| 启动/停止周期 |
50000 |
环境条件
| 非运行性振动 |
0.05 G |
| 运行性震动 |
0.004 G |
| 非运行高度 |
-305 - 12200 m |
| 工作高度 |
-305 - 3050 m |
| 非操作性冲击 |
250 G |
Caviar Black 640GB - SATA 3Gb/s, 8.89 cm (3.5 ") 7200 RPM, 32 MB cache
WD Caviar Black drives combine a high performance electronics architecture with a rock solid mechanical architecture to deliver the perfect storage solution for your fully-loaded PC or maxed out gaming machine. Cool drive operation, no-touch head technology, and leading-edge vibration protection ensure enhanced reliability and sustained data throughput. And we back it all up with a 5-year limited warranty.
High Performance Electronics Architecture
- Dual processor - Twice the processing power to maximize performance.
- 32 MB cache - Bigger, faster cache means faster performance.
Rock Solid Mechanical Architecture
- StableTrac™ - The motor shaft is secured at both ends to reduce system-induced vibration and stabilize platters for accurate tracking, during read and write operations.
- NoTouch™ ramp load technology - The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit.
Massive Capacity - WD Caviar Black SATA drives are available in capacities up to 1 TB.
Compatible - We perform tests on hundreds of systems and a multitude of platforms in our FIT Lab™ and Mobile Compatibility Lab to give our customers confidence that our drives will work in their systems.
Ideal For
Power computing applications such as multimedia, video and photo editing, and maxed out gaming computers.
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.
- 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.
