Western Digital AV-25 WD2500BUCT 250GB 2.5" SATA 3.0Gb / s Hard Drive
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WD AV-25 2.5-inch SATA hard drives are specially engineered to offer cool quiet operation while providing maximum reliability in 24x7 always-on environments. With support for up to five simultaneous HD video streams, these drives are perfect for DVRs, set-top boxes and digital video surveillance.
Reliable performance engineered for demanding always-on multimedia streaming environments
Low-power, compact storage
Cool, quiet 2.5-inch AV storage is the perfect solution for a variety of multimedia applications and fanless environments where the drive operates below 65° C base casting temperature.
Supports high definition video.
SilkStream technology supports up to five simultaneous streams of HD video in a variety of file formats.
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.
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.
A cool drives is a more reliable drive. WD continues to develop new and innovative ways to keep drives cool while they are operating.
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.
Video surveillance, DVRs/PVRs, set-top boxes, high-end audio systems, karaoke players and digital signage.
General Brand Western Digital Series AV-25 Model WD2500BUCT Highlights Western Digital AV-25 WD2500BUCT Hard Drive, 2.5" Form Factor, 250GB Capacity, 5400 RPM Rotational Speed, SATA 3.0 Gb/s Interface, 16MB Cache, Engineered to thrive in 24x7. Performance Specifications Rotational Speed 5,400 RPM (nominal) Buffer Size 16 MB Average Latency 5.50 ms (nominal) Load/unload Cycles 300,000 minimum Acoustics (Sone) < 1 Transfer Rates Buffer To Host (Serial ATA): 3 Gb/s (Max) Physical Specifications Formatted Capacity 250,059 MB Capacity 250 GB Interface SATA 3 Gb/s Form Factor 2.5-inch Drive User Sectors Per Drive 488,397,168 Physical Dimensions Height 0.374 Inches Length 3.94 Inches Width 2.75 Inches Weight 0.22 Pounds Environmental Specifications Shock Operating Shock (Read): 350G, 2ms
Non-operating Shock: 1000G, 2 ms
Acoustics Idle Mode: 23 dBA (average)
Seek Mode 0: 25 dBA (average)
Temperature (English) Operating: 32° F to 140° F
Non-operating: -40° F to 149° F
Electrical Specifications Current Requirements (Power Dissipation) Read/Write : 2.5 Watts
Idle : 0.85 Watts
Standby : 0.20 Watts
Sleep : 0.20 Watts