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Bare 3.5 inch SAS hard drive, silver aluminium casing, circuit board visible

Seagate

Seagate Exos 7E8 ST4000NM005A 4TB SAS 12Gb/s 7200 RPM 256MB 3.5" internal hard drive

SKU CH-ZVJX-B7DRG MPN ST4000NM005A

4 TB enterprise hard drive with 7200 RPM, 256 MB cache and SAS 12 Gb/s interface for 24×7 bulk data storage

  • PackagingBare Drive
  • InterfaceSAS 12Gb/s
  • Capacity4TB
  • NAND Flash Memory TypeHard Drive
  • RPM7200 RPM
  • Cache256MB

Options 4TB Standard Model

  • Enterprise-grade reliability with 2 million hour MTBF rating
  • High-capacity 4TB storage for demanding 24×7 data centre workloads
  • Consistent performance in RAID systems via rotational vibration design
  • Fast data access with 7200 RPM spindle speed and 256MB cache
  • Secure 512e format SAS 12Gb/s interface for enterprise bulk data applications

Enterprise bulk-data drive

The Seagate Exos 7E8 ST4000NM005A is a 4TB SAS 12Gb/s internal hard drive built for 24×7 enterprise workloads. It spins at 7200 RPM with a 256MB cache and uses conventional magnetic recording technology. The 3.5-inch form factor fits standard drive bays in servers and storage arrays.

Suited for high-capacity RAID and replicated systems

This drive suits IT professionals who need up to 550 TB per year workload rating and a 2 million hour MTBF rating in multi-drive environments. On-the-fly error correction and rotational vibration design help maintain consistent performance. It is not for buyers who need a different interface, a smaller form factor, or a drive rated for lighter desktop workloads.

SAS 12Gb/s interface decides compatibility

The single specification that decides fit is the SAS 12Gb/s interface; the drive requires a backplane or controller that supports this protocol. A 512e sector format ensures broad compatibility with existing enterprise infrastructure. Confirm your system accepts SAS drives before purchase.

Ciri-ciri utama

  • Enterprise-grade reliability with 2 million hour MTBF rating
  • High-capacity 4TB storage for demanding 24×7 data centre workloads
  • Consistent performance in RAID systems via rotational vibration design
  • Fast data access with 7200 RPM spindle speed and 256MB cache
  • Secure 512e format SAS 12Gb/s interface for enterprise bulk data applications

Spesifikasi

BrandSeagate
SeriesExos 7E8
ModelST4000NM005A
PackagingBare Drive
InterfaceSAS 12Gb/s
Capacity4TB
NAND Flash Memory TypeHard Drive
RPM7200 RPM
Cache256MB
Average Latency12Gb/s
FeaturesHard Drive
Form Factor3.5"
Berat penghantaran0.91 kg
Dimensi bungkusan178 × 102 × 51 mm

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Soalan tentang produk ini

Which capacity of the Exos 7E8 series should I pick for a 4 TB requirement?

The ST4000NM005A model provides exactly 4 TB of storage in the Exos 7E8 lineup.

What does the 7200 RPM spindle speed deliver in a live server?

It provides consistent performance for 24×7 workloads rated up to 550 TB per year.

How does the SAS 12Gb/s interface limit real-world throughput?

The 12 Gb/s SAS link caps the maximum burst transfer rate at that signalling speed.

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