Seagate, 4TB SATA Internal HDD, ST4000NM0035 |
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Seagate, 4TB Exos 7E8 512n SATA 3.5″ Internal HDD, ST4000NM0035

  • 4TB Storage Capacity
  • 3.5″ Form Factor
  • SATA III 6 Gb/s Interface
  • 128MB Cache
  • 7200 rpm
  • Up to 215 MB/s Sustained Transfer Rate
  • Designed for Enterprise Use


The 4TB Exos 7E8 512n SATA 3.5″ Internal HDD from Seagate is designed for professional applications such as centralized surveillance, OLTP, and HPC applications. With durability rated for 24×7 operation, this drive is also ideal for data centers that require constant uptime. Specs-wise, it has 4TB of storage capacity, operates at 7200 rpm, and utilizes a SATA III 6 Gb/s interface. Seagate has also equipped this drive with Advanced Write Cache for improved response time and faster data transfers.

Exos 7E8 drives have a 2 million hour MTBF rating and a 0.44% reliability rating at full 24×7 operation (AFR). They also support workloads of up to 550TB a year and have a 5-year warranty, ensuring they can keep up with the high demands of data centers and professional applications.
  • Hyperscale applications/cloud data centers
  • Massive scale-out data centers
  • OLTP and HPC applications
  • A high-capacity density RAID storage
  • Mainstream enterprise external storage arrays
  • Distributed file systems, including Hadoop and Ceph
  • Enterprise backup and restore – [email protected]D, virtual tape
  • Centralized surveillance
Weight1.5 lbs
Dimensions9.0 × 6.0 × 3.0 in

Drive Capacity4.0 TB
Cache Memory128 MB
InterfaceSATA III (6 Gb/s)
Maximum Write Speed215 MB/s
Latency4.2 ms
Drive TypeHDD
Form Factor3.5″
HDD Specs
Spindle Speed (RPM)7200 RPM
Disk Sector Format512n
Reliability / Data Integrity
Annualized Failure Rate (AFR)0.44 %
Endurance (Total Bytes Written)550 TB
Mean Time Between Failures (MTBF)2.0 Million Hours
Non-Recoverable Read Errors per Bits Read1 in 1015
Power Draw5.4 W (Idle)
6.9 W (Active)
Supported Voltage5 VDC, 12 VDC
Operating Shock70 G / 40.00 ms
Storage Shock150 G / 300.00 ms
Operating Temperature41 to 140°F / 5 to 60°C
Dimensions (W x H x D)4.0 x 1.0 x 5.8″ / 101.9 x 26.1 x 147.0 mm
Weight1.5 lb / 680 g
Packaging Info
Package Weight1.5 lb
Box Dimensions (LxWxH)9.0 x 6.0 x 3.0″

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