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Sequential reads/writes up to 560/510 MB/s and random reads/writes up to 95k/90k on all file types
Accelerated by Micron 3D NAND technology

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Surveillance Storage Hard Drive
Device Type Internal 3.5″ SATA Video Integrity : Excellent, Warranty: 1 Year, Power :12v / 5v

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With IntelliSeek technology, WD Purple drives are able to calculate optimum seek speeds; this keeps power consumption low so ambient noise and vibrations are at a minimum
With a high workload rating WD Purple is designed to handle the distinct demands of contemporary video surveillance DVR and NVR systems

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1. SATA2(3.0Gbps) interface;
2. Sequential Data Read/Write Performance :186/38MB/s Boot time: it will be within 17-20 seconds from boot to enter the system ; quiet running, no noise; anti-shock;

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ImagePerfect firmware is designed to ensure seamless video footage capture in 24×7 surveillance workloads that record video from 64 HD cameras
ATA streaming support enables recordings from up to 64 HD cameras for smooth, uninterrupted footage

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1. SATA3(6.0Gbps) interface, compatible with SATA2(3.0 Gbps) interface;
2. Sequential Data Read/Write Performance :560/422 MB/s Boot time: it will be within 11seconds from boot to enter the system ; Fast loading while play games and open large application software (such as PS, AI); quiet running, no noise; anti-shock;