Seagate
Seagate Barracuda ST2000DM001 2 TB 3.5" 7200 rpm 64 MB SATA internal hard drive
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Seagate
Seagate ST6000NM0195 6TB 7200 RPM 512e SAS 256MB internal hard drive
6 TB 3.5-inch enterprise drive with 7200 RPM, 256 MB cache and 12 Gb/s SAS interface for 24×7 bulk-data workloads
- PackagingBare Drive
- Interface512e SAS
- Capacity6TB
- RPM7200 RPM
- Cache256MB
- Average Latency4.16ms
- 6TB capacity supports bulk-data storage needs
- 7200 RPM spindle speed delivers fast data access
- 256MB cache buffer improves read and write performance
- 12Gb/s SAS interface enables high-throughput enterprise connectivity
- Engineered for 550TB per year 24x7 workloads
Enterprise 6 TB SAS drive
The Seagate ST6000NM0195 is a new 3.5-inch enterprise hard drive with a 6 TB capacity, 7200 RPM spindle speed and a 12 Gb/s SAS interface using 512e formatting. It includes a 256 MB cache and conventional magnetic recording technology designed for continuous operation in bulk-data applications. The bare drive measures 147 mm long, 101.85 mm wide and 26.10 mm high.
Suits RAID arrays and replicated servers.
This drive fits replicated and RAID multi-drive storage servers that accept a 12 Gb/s SAS connection and 512e sector format. It is built for 24x7 workloads up to 550 TB per year and handles rotational vibration in dense chassis. Systems without a SAS controller or backplane, or those requiring a SATA-only drive, cannot use this model.
12 Gb/s SAS interface with 512e format
The single specification that decides compatibility is the 12 Gb/s SAS interface combined with 512e sector formatting. Your host bus adapter, RAID controller or server backplane must support this exact interface and sector size. Average latency is 4.16 ms and the drive delivers up to 100 percent random-write improvement over the prior generation through advanced write caching algorithms.
Points forts
- 6TB capacity supports bulk-data storage needs
- 7200 RPM spindle speed delivers fast data access
- 256MB cache buffer improves read and write performance
- 12Gb/s SAS interface enables high-throughput enterprise connectivity
- Engineered for 550TB per year 24x7 workloads
Caractéristiques
| Brand | Seagate |
|---|---|
| Model | ST6000NM0195 |
| Packaging | Bare Drive |
| Interface | 512e SAS |
| Capacity | 6TB |
| RPM | 7200 RPM |
| Cache | 256MB |
| Average Latency | 4.16ms |
| Features | Capacity-Optimized Enterprise Hard Drive for Bulk-Data Applications - 1TB to 8TB*1, 3.5-inch enterprise drive with industry-leading conventional magnetic recording (CMR) technology - Advanced Write Caching feature enables up to 100% performance improvement in random writes over last-generation drive - 12Gb/s SAS and SATA 6Gb/s interfaces in industry-standard formats (512n, 512e and 4Kn) for easy integration into replicated and RAID multi-drive storage servers and systems - State-of-the-art cache, on-the-fly error-correction algorithms, super parity and end-to-end SAS-based data integ |
| Usage | For Enterprise Storage |
| Form Factor | 3.5" |
| Height (maximum) | 26.10mm |
| Width (maximum) | 101.85mm |
| Length (maximum) | 147.00mm |
| Poids d’expédition | 0.91 kg |
| Dimensions du colis | 178 × 152 × 76 mm |
Questions sur cet article
What does the 12Gb/s SAS interface cap in practice?
The 12Gb/s SAS link caps sustained throughput at the controller's maximum lane speed, so sequential reads and writes cannot exceed that bus limit even though the drive spins at 7200 RPM with a 256MB cache.
What physical clearance does the 3.5-inch form factor need to fit or mount?
The drive measures 147.00mm long, 101.85mm wide and 26.10mm high, so the bay or caddy must provide at least those dimensions plus standard side-mount screw clearance.
How is the 512e SAS drive installed, and what step do people get wrong?
Connect the SAS data and power cables, then set the controller to 512e emulation mode; the common mistake is leaving the controller in 512n or 4Kn mode, which prevents the drive from being recognised.
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