Informations sur le produit
Seagate HD ST8000NM012A 8TB 3.5 SATA 7200RPM 256M 6Gb s 512e Retail
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Seagate HD ST8000NM012A 8TB 3.5 SATA 7200RPM 256M 6Gb s 512e Retail
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Formatted (512 bytes/sector) 8TB |
Guaranteed sectors 15,628,053,168 |
Heads 10 |
Discs 5 |
Bytes per logical sector 512 |
Bytes per physical sector 4096 |
Recording density, KBPI (Kb/in max) 2509 |
Track density, KTPI (ktracks/in, 0 skew) 371 |
Areal density, (Gb/in2, at 0 skew mid-disk) 930 |
Spindle speed (RPM) 7200 |
Internal data transfer rate (Mb/s max) 2850 |
Sustained data transfer rate OD (MiB/s max) 238 (249 MB/s max) |
I/O data-transfer rate (MB/s max) 600 |
ATA data-transfer modes supported PIO modes 0-4 Multiword DMA modes 0-2 Ultra DMA modes 0 6 |
Cache buffer 256MB (262,144KB) |
Average latency 4.16ms |
Power-on to ready (sec) (typ/max) 23/30 |
Standby to ready (sec) (typ/max) 23/30 |
Startup current (typical) 12V (peak) 2.6A (2.0A (optional configuration through Smart Command Transport) |
Voltage tolerance (including noise) 5V +10/-5% 12V +/-10% |
Non-Operating temperature -40o to 70o C |
Operating temperature 5 |
Operating temperature 60 |
Temperature gradient (oC per hour max) 20o C (operating) 30o C (nonoperating) |
Relative humidity 5% to 95% (operating) 5% to 95% (nonoperating) |
Relative humidity gradient 30% per hour max |
Altitude, operating -304.8 m to 3,048 m (-1000 ft to 10,000+ ft) |
Altitude,nonoperating(below mean sea level,max) -304.8 m to 12,192 m (-1000 ft to 40,000+ ft) |
Operational Shock (2 ms) Read 70 Gs / Write 40 Gs |
Non-Operational Shock (2 ms) 300 Gs |
Linear Random Operating Vibration 5-500 Hz: 0.70 Grms |
Random Rotary Operating Vibration 20-1500Hz: 12.5 rads/s2 |
Linear Random Non-Operating Vibration 2 500 Hz: 2.27 Grms |
Drive acoustics, sound power (bels) 2.8 (typical) 3.0 (max) |
Idle During periods of drive idle, some offline activity may occur according to the SMART specification, which may increase acoustic and power to operational levels. |
Performance seek 3.2 (typical) 3.4 (max) |
Nonrecoverable read errors 1 sector per 1015 bits read |
Annualized Failure Rate (AFR) 0.44% based on 8760 POH |
Maximum Rated Workload Maximum rate of <550TB/year Workloads exceeding the annualized rate may degrade the drive MTBF and impact product reliability. The Annualized Workload Rate is in units of TB per year, or TB per 8760 power on hours. Workload Rate TB transferred (8760 / recorded power on hours). Load-unload cycles (command controlled) 600,000 Supports Hotplug operation per Serial ATA Revision 3.3 specification Yes |
Item Dimension (L"xW"xH") 2 x 5 x 6 Weight 1.58 lbs Warranty Information 5 Years |
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