1TB Seagate Constellation ES -7200rpm, SAS, 512n, 64MB, 2,5"

• Industry’s first 2.5-inch 1TB capacity-optimized drive for dense, space-constrained data centers allows you to store twice as much data in the same footprint.
• Build highly efficient bulk storage solutions while lowering your power consumption costs
• Designed for robust 24x7 operation with a 1.4M hour mean-time-between-failure (MTBF) rating
• Best-in-class rotational vibration tolerance ensures unrivaled performance in high spindle-density applications, and multi-drive firmware maximizes system availability
• Choose from 6Gb/s SAS with improved data integrity, scalability and fastest data access or SATA 6Gb/s for economical 7200-RPM performance


Specifications
Model Number ST91000640SS
Interface 6-Gb/s SAS
Cache 64MB
Capacity 1TB
Areal density (avg) 417Gb/in2
Guaranteed Sectors 1,953,525,168
PHYSICAL
Height 14.8mm (0.583 in)
Width 70mm (2.76 in)
Length 100.5mm (3.957 in)
Weight (typical) 200g (0.441 lb)
PERFORMANCE
Spin Speed (RPM) 7200 RPM
Average latency 4.16ms
Random read seek time 8.5ms
Random write seek time 9.5ms
I/O data transfer rate 600MB/s
Unrecoverable read errors 1 in 1015
RELIABILITY
MTBF 1,400,000 hours
Annual Failure Rate 0.62%
POWER
12V start max current 0.80A
5V start max current 0.72A
Average idle power 3.85W
Average operating power 6.4W
ENVIRONMENT
Ambient Temperature
Operating 5°–60°C
Nonoperating -40°–70°C
Maximum operating temperature change 20°C per hour
Maximum nonoperating temperature change 20°C per hour
Shock
Operating Shock (max) Read 70 / Write 40 Gs for 2ms
Nonoperating Shock (max) 400 Gs for 2ms
ACOUSTICS
Acoustics (Idle Volume) 2.2 bels
Acoustics (Seek Volume) 2.8 bels