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Seagate ST2000NM004A 2TB 7200RPM 256MB SAS 3.5" internal hard drive
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Seagate
Seagate Exos 7E8 ST4000NM005A 4TB SAS 12Gb/s 7200 RPM 256MB 3.5" internal hard drive
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
- 8TB Secure Model
- 8TB Standard Model
- 6TB Standard Model
- 4TB Standard Model
- 2TB 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.
Pontos fortes
- 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
Especificações
| Brand | Seagate |
|---|---|
| Series | Exos 7E8 |
| Model | ST4000NM005A |
| Packaging | Bare Drive |
| Interface | SAS 12Gb/s |
| Capacity | 4TB |
| NAND Flash Memory Type | Hard Drive |
| RPM | 7200 RPM |
| Cache | 256MB |
| Average Latency | 12Gb/s |
| Features | Hard Drive |
| Form Factor | 3.5" |
| Peso de envio | 0.91 kg |
| Dimensões da embalagem | 178 × 102 × 51 mm |
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Em stockPerguntas sobre este artigo
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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