Seagate ST12000NM0027-20PK HDD ST12000NM0027 12TB 3.5 7200RPM 256MB SAS 12GB-s Enterprise Bare

Specifications
12Gb/s SAS
Capacity: 12TB
Features
Superior Helium Sealed-Drive Design With Wide Weld:Yes
Digital Sensors for Helium Pressure: Yes
Protection Information (T10 DIF): Yes
SuperParity: Yes
PowerChoice^TM PowerBalance^TM Technology: Yes
Low Halogen/Hot-Plug Support: Yes
Cache, Multisegmented (MB): 256
Organic Solderability Preservative: Yes
Secure Download and Diagnostics (SD and D) RSA 2048 signed firmware:Yes
Reliability/Data Integrity
Mean Time Between Failures (MTBF, hours): 2.5 Million
Reliability Rating at Full 247 Operation (AFR): 0.35%
Nonrecoverable Read Errors per Bits Read :1 sector per 10E15
Power-On Hours per Year (24x7): 8760
512e Sector Size (Bytes per Sector) : 512, 520, 528
4Kn Sector Size (Bytes per Sector): 4096, 4160, 4224
Limited Warranty (years) :5
Performance
Spindle Speed (RPM) :7200
Interface Access Speed (Gb/s) : 12.0, 6.0, 3.0
Max. Sustained Transfer Rate OD (MB/s,MiB/s) :Up to 261, 249
Random Read/Write 4K QD16 WCD (IOPS) :170/400
Interface Ports : Dual
Rotational Vibration at 1500Hz (rad/s ^s) :12.5
Power Consumption
Idle A (W) Average : 5.5W
Average Latency (ms) :4.16
Operating Power: 9.3
Power Supply Requirements :+12 V and +5 V
Environmental
Temperature, Operating (^oC) 5^oC 60^oC
Vibration, Nonoperating: 10Hz to 500Hz (Grms) 2.27 2.27
Physical
Height (mm/in, max): 26.11mm/1.028in
Width (mm/in, max): 101.60mm/4.0in
Depth (mm/in, max): 147.0mm/5.787in
Weight (g/lb): 650g/1.433lb
Carton Unit Quantity :20
Cartons per Pallet / Cartons per Layer: 40 / 8
Item Dimension (L inchxW inchxH inch)
6 x 4 x 2 Weight
1.43lb Warranty Information
5 Years