اخبار هارد و وسایل ذخیره سازی

[AMD>INTEL]

Seagate Barracuda ES.2 1TB Hard Drive

هارد 1 ترابايتي سيگيت باركودا ES.2

Seagate Barracuda ES.2 1TB SATA HDD (Model # ST31000340NS) Specifications & Features PHYSICAL SPECS
Capacity: 1 TB (1000 GB)
Interface: SATA 3Gb/s
Spindle Speed: 7200 RPM
Cache Buffer: 32 MB
Number Of Platters: 4 (250 GB each)
Bytes Per Sector: 512
Height: 26.11 mm
Length: 146.99 mm
Width: 101.6 mm
Weight: 0.530 kg

PERFORMANCE SPECS
Seek Times
Average Read/Write (msec): 8.5/9.5
Track-to-Track Read/Write (msec): 0.8/1.0

Latency
Average Latency (msec): 4.16

Transfer Rate
Maximum Internal (Mb/s): 1287
Maximum Sustained (MB/s): 105

Environmental
Acoustics Idle (bels—sound power): 2.7
Rotational Vibration @ 1500 Hz max (Rad/sec2): 12.5

Reliability/Data Integrity
Mean Time Between Failures (MTBF, hours): 1.2 million
Reliability Rating at Full 24x7 Operation (AFR): 0.73%
Nonrecoverable Read Errors per Bits Read: 1 sector per 10E15
Error Control/Correction (ECC): 10 bit
Limited Warranty (years): 5

Power Requirements
Typical: 11.6 watts
Idle Average: 8.0 watts

FEATURES

• Perpendicular recording technology for maximum capacity
• 24x7 operation and 1.2 M hrs. MTBF
• Dynamic power saving using Seagate PowerTrim™ technology
• Broad spectrum rotational vibration tolerance at 12.5 rads/s2
• Error recovery control - quick error resolution to prevent system timeouts
• Workload management to ensure operational reliability
• Quick and robust download with firmware security checks
• Write Same command for efficient RAID initialization
• Idle Read After Write data integrity checking
• 32-MB cache
• Low total cost of ownership
• 5-year limited warranty

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