ST4000NM007A-20PK - Seagate 20PK 4TB EXOS 7E8 HDD 512N SAS

Enterprise Drive for Data Applications Exos 7E8 hard drives support up to 8TB per drive, offering data storage for data center infrastructures requiring a highly reliable enterprise hard drive. Exos 7E8 provides cost-effective, reliable access to unstructured data. Built on field-proven 10th-generation conventional magnetic recording (CMR) technology, the Exos 7E8 drive helps to catalyze the datasphere, enabling data center architects and IT professionals to deliver trusted performance, rock-solid reliability, ironclad security, and low TCO for demanding 24×7 operations. Robust Data Storage for a 24×7 World Exos 7E8 drives are backed by a 2 million hour MTBF rating and support workloads of 550TB per year—10× that of desktop hard drives. With state-of-the-art cache, on-the-fly error-correction algorithms, and rotational vibration design, the Exos 7E8 helps ensure consistent performance in replicated and RAID multi-drive systems. High Performance for Mainstream Data Center Applications Meet your storage workload requirements in the most efficient and cost-effective data center footprint on the market today. The Exos 7E8 delivers easy integration into storage systems with 12Gb/s SAS and SATA 6Gb/s interface options. With user-definable innovative technology advancements like PowerChoice™ and Seagate RAID Rebuild ®, you can tailor your nearline storage requirements for even greater improvements in lowering your TCO. Enhanced Reliability, Data Protection, and Security Advanced security features help protect data where it lives—on the drive. Exos 7E8 prevents unauthorized drive access and safeguards stored data with security features that include Secure Downloads & Diagnostics, TCG-compliant Self-Encrypting Drive, and government-grade FIPS/Common Criteria tamper-resistent hard drive. Seagate Secure™ drives simplify drive repurposing and disposal, help protect data-at-rest, and comply with corporate and federal data security mandates.

 

Specification:

 

Hard drive
Component for	Disk array
HDD interface transfer rate	12 Gbit/s
Average latency	4.16 ms
Mean time between failures (MTBF)	2000000 h
HDD speed	7200 RPM
HDD size	3.5"
HDD capacity	4000 GB
Features
Type	HDD
Component for	Disk array
HDD interface transfer rate	12 Gbit/s
Interface	SAS
Average latency	4.16 ms
Mean time between failures (MTBF)	2000000 h
HDD speed	7200 RPM
HDD size	3.5"
HDD capacity	4000 GB
Storage drive buffer size	256 MB
Uncorrectable Bit Error Rate (UBER)	< 1 per 10^15 bits read
Rotational Vibration (RV) sensors	Yes
24/7 operation	Yes
Power
Operating voltage	5 / 12 V
Power consumption (typical)	10.8 W
Power consumption (idle)	6.59 W
Operational conditions
Operating temperature (T-T)	5 - 60 °C
Operating shock	70 G
Non-operating vibration	2.27 G
Non-operating shock	300 G
Technical details
Harmonized System (HS) code	84717050
Operating voltage	5 / 12 V
Interface	SAS
Mean time between failures (MTBF)	2000000 h
Weight & dimensions
Width	4.01" (101.8 mm)
Weight	21.9 oz (620 g)
Height	1.03" (26.1 mm)
Depth	5.79" (147 mm)
Other features
Operating voltage	5 / 12 V
Interface	SAS