磁盘驱动器
| 单磁道搜索时间（读/写） |
2 ms |
| 平均等待时间 |
5.5 ms |
| 硬盘容量 |
160 GB |
| 硬盘转速 |
5400 RPM |
| 硬盘接口 |
Serial ATA |
| 硬盘尺寸 |
2.5 " |
| 传动装置，缓冲区大小 |
32 MB |
| 启动/停止周期 |
300000 |
其他功能
| 声压排放 |
23 dB |
| 运行温度范围（T - T） |
32 - 140 °F |
| 內置式 |
Y |
AV-25, 160GB, 5400 RPM, 32MB, SATA 3 Gb/s
Low power WD AV-25 hard drives are the cool, quiet and reliable storage choice for demanding always-on read/write applications. With a SATA 3 Gb/s interface, 32 MB cache and up to 320 GB capacity this 2.5-inch drive is ideal for DVRs, digital video surveillance and other small form factor environments where power consumption is critical.
24x7 reliability
These drives are designed to last in always-on streaming digital audio/video environments such as DVR/PVR, digital video surveillance and other demanding multimedia applications.
Advanced Format Technology
Leading edge technology delivers improved video quality and AV performance through enhanced error correction capability.
SilkStream technology
Optimized for smooth, continuous digital video playback of up to five simultaneous HD streams. SilkStream is compatible with the ATA streaming command set so AV customers can use standard streaming management and error recovery options.
Ultra-cool operation
A cool drives is a more reliable drive. WD continues to develop new and innovative ways to keep drives cool while they are operating.
Quiet
Noise levels have been minimized to less than one sone* -- virtually below the threshold of human hearing.
Low power consumption
The drive draws less than 2 Watts while operating and a mere 4.75 Watts during spin up.
1 million hours MTTF (MTBF)
Best-in-class reliability for small-form factor AV storage.**
Preemptive Wear Leveling (PWL)
The drive arm frequently sweeps across the disk to reduce uneven wear on the drive surface common to audio video streaming applications.
* A sone is a subjective unit of loudness as perceived by a person with normal hearing.
** Based upon dual tuner system operating in typical 30°C air ambient environment.
Ideal For
Video surveillance, DVRs/PVRs, set-top boxes, high-end audio systems, karaoke players and digital signage.
