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1 TB, 500 GB, 250 GB 7200 RPM SATA 3Gb/s

Key Advantages

The only 7200-RPM hard drive designed specically or surveillance

environments, where 24x7 reliability is key

Best-in-class perormance with 140-MB/s sustained data transer rates

(sequential read/writes)

Highest range o capacitiesup to 1 TBor maximum fexibility

Low spin-up power or optimization in surveillance applications

Uncompromising reliability supports fexible DVR design, with casetemperatures up to 70C

Perormance-tuned or seamless video applications

Built-in error recovery or non-stop video streaming

Best-in-class acoustic perormance means virtually silent operation.

Higher areal density or cost-eective DVR applications

ATA-7 streaming commands allow or data reads and writes tailored

to video, data or a combination o both, guaranteeing smooth, reliable

video streaming as well as high-integrity database updates.

Enhanced caching capabilities enable superior video recording quality.

Unique user-selectable partitioning capability

Smart Command Transport (SCT) makes management simple.

Thermal monitoring and reporting or 24x7 operations

Best-Fit Applications

Video surveillance digital video recorder

Video surveillance network digital video recorder

Direct- and network-attached JBOD video surveillance storage

SV35.5 SeriesHigh-perormance, high-capacity drives

designed specifcally or surveillance

digital video recording

Data Sheet

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SV35.5 Series

High-perormance, high-capacity drives designed

specifcally or surveillance digital video recording

Specifcations 1 TB1 500 GB1 250 GB1

Model Number ST31000525SV ST3500410SV ST3250311SV

Interface Options SATA 3Gb /s S ATA 3Gb /s S ATA 3 Gb /s

Perormance

Spin Speed (RPM) 7200 7200 7200

Cache, Multisegmented (MB) 32 16 8

SATA Data Transfer Modes Supported (Gb/s) 3.0/1.5 3.0/1.5 3.0/1.5

Power-On to Ready (seconds) 17 13 11

Sustained Data Rate, Sequential Write (MB/s) 140 140 140

Read Seek Time (ms) 8.5 8.5 8.5

Write Seek Time (ms) 9.5 9.5 9.5

Simultaneous HD Streams Supported 12 12 12

Voltage

Voltage Tolerance (in cluding noise ) 5V 5% 5% 5%

Voltage Tolerance (in cluding noise ) 12V 10% 10% 10%

Confguration/Organization

Bytes per Sector 512 512 512

Reliability/Data IntegrityMTBF (hours)/Annualized Failure Rate (AFR) >1 million/1 million/1 million/1 million hours and Annualized

Failure Rate (AFR) o