Pevný disk Seagate SV35.4 1TB SATAII/300 32MB, 7200, ATA-7, 24x7

Popis produktu: Rozdíly řady SV35 oproti klasickým Desktop HDD: - primárně určené pro SDVR (Surveillance Digital Video Recording) technologie/aplikace, kde dochází ke dlouhým sekvenčním operacím čtení/zápis - firmware optimalizovaný pro video streaming - nižší "náběhový" (spin up) proud - zvýšená teplotní tolerance až 70 °C (nárazově 75 °C) - střední doba mezi chybami (MTBF) 1.000.000 hodin (Desktop HDD 750.000) - testováno pro provoz 24x7 (běžné desktop HDD 5x8) - snížená hlučnost Specifications: - Model Number: ST31000525SV / ST3500410SV / ST3250311SV - Capacity (GB): 1000 / 500 / 250 - Interface: Serial ATA 3Gb/s Performance: - Spin Speed (RPM): 7200 - Cache, Multisegmented (MB): 32 / 16 / 8 - SATA Data Transfer Modes Supported (Gb/s): 3.0/1.5 - Power-On to Ready (seconds): 17 / 13 / 11 - Sustained Data Rate, Sequential Write (MB/s): 140 - Read Seek Time (ms): 8.5 - Write Seek Time (ms): 9.5 - Simultaneous HD Streams Supported: 12 Voltage: - Voltage Tolerance (including noise) 5V: ±5% - Voltage Tolerance (including noise) 12V: ±10% Configuration/Organization: - Bytes per Sector: 512 Reliability/Data Integrity: - MTBF (hours)/Annualized Failure Rate (AFR): >1 million / <1% - Nonrecoverable Read Errors per Bits Read: 1 sector per 10E14 - Power-On Hours: 8760 - Contact Start-Stop Cycles: 50.000 Power Management: - Maximum Startup Current (12 V typical, amps): 2 - Operating Mode (typical, W): 7.0 / 7.0 / 5.0 - Seek Average (W): 10.4 / 10.4 / 8.0 - Standby (W): 1.0 Environmental: - Operating Temperature (ambient min °C): 0 - Operating Temperature (drive case max °C): 70 - Nonoperating Temperature (ambient min °C): -40 - Nonoperating Temperature (ambient max °C): 70 - Shock, Operating: 2 ms (Gs): 70 - Shock, Nonoperating: 2 ms (Gs): 300 / 300 / 350 - Acoustic, Idle (bels): 2.5 / 2.5 / 2.3 Physical: - Height (mm): 26.11 / 26.11 / 20.2 - Width (mm): 101.6 - Depth (mm): 146.99 - Weight (g): 677 / 544 / 380 Best-Fit Applications: - Video surveillance digital video recorder (SDVR) - Video surveillance network digital video recorder (SNVR) - Direct-attached and network-attached JBOD video surveillance storage