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Silver 3.5 inch enterprise hard drive bare drive with SAS connector visible

HGST

HGST Ultrastar 7K6000 0F22791 6TB 7200 RPM 128MB SAS 12Gb/s 3.5" internal hard drive

SKU CH-DGB2-ZW8JM MPN 0F22791

Enterprise 6TB SAS drive delivers 7200 RPM performance with 128MB cache for cloud and hyperscale storage

  • PackagingBare Drive
  • InterfaceSAS 12Gb/s
  • Capacity6TB
  • RPM7200 RPM
  • Cache128MB
  • Average Seek Time7.6ms
  • Enterprise-grade SAS 12Gb/s interface for high-speed data centres
  • 6TB capacity at 7200 RPM with 128MB cache for demanding workloads
  • 6ms average seek and 4.16ms latency deliver responsive random access
  • 50% more capacity and 30% better power efficiency than prior generation
  • 2M hours MTBF with secure erase and self-encrypting options for data protection

Enterprise 6 TB SAS drive

The HGST Ultrastar 7K6000 0F22791 is a 6 TB 3.5-inch internal hard drive built for enterprise storage arrays. It spins at 7200 RPM with a 128 MB cache and connects through a SAS 12Gb/s interface. The bare-drive unit suits cloud, hyperscale and video-surveillance workloads that demand sustained throughput.

12 Gb/s SAS practical limits

The SAS 12Gb/s link tops out at 12 Gb/s per port and falls back to 6 Gb/s SATA for backward compatibility. Real-world throughput depends on the host controller, cabling and backplane design; the drive itself cannot exceed the electrical and protocol ceiling of the interface. Average latency is 4.16 ms with a 7.6 ms seek time.

Upgrade from 7K4000 generation

Compared to the prior 7K4000 this model delivers 50 per cent more capacity at 6 TB versus 4 TB and 30 per cent better power efficiency per terabyte. Sequential read and write speeds rise by 25 per cent while random write performance can triple through media cache technology. The jump is worth it when density and efficiency gains outweigh the cost of a controller refresh.

Punti di forza

  • Enterprise-grade SAS 12Gb/s interface for high-speed data centres
  • 6TB capacity at 7200 RPM with 128MB cache for demanding workloads
  • 6ms average seek and 4.16ms latency deliver responsive random access
  • 50% more capacity and 30% better power efficiency than prior generation
  • 2M hours MTBF with secure erase and self-encrypting options for data protection

Caratteristiche tecniche

BrandHGST
SeriesUltrastar 7K6000
ModelHUS726060AL5210 (0F22791)
PackagingBare Drive
InterfaceSAS 12Gb/s
Capacity6TB
RPM7200 RPM
Cache128MB
Average Seek Time7.6ms
Average Write Time8ms
Average Latency4.16ms
FeaturesBest-in-class random & sequential performance
Reliable, field-proven, 7th generation 5-disk design
Compared to prior generation 7K4000
- 50% more capacity (6TB vs. 4TB)
- 30% better power efficiency (Watts/TB)
- Up to 3X faster random write performance using media cache technology
- 25% faster sequential read/write performance
12Gb/s SAS and 6Gb/s SATA for compatibility with high performance data centers
128MB cache buffer improves response time and data management
Secure erase & Self-Encrypting Drive (SED) options
Advanced format 4Kn and 512e models
2M hours MTBF rating
Applications
UsageFor Enterprise Storage
Form Factor3.5"
Height (maximum)26.1mm
Width (maximum)101.6(+/-0.25)mm
Length (maximum)147mm
Peso di spedizione0.70 kg
Dimensioni del pacco210 × 149 × 27 mm

Domande su questo articolo

Should I pick the 6 TB 7200 RPM SAS 12Gb/s model or a lower-capacity 4 TB variant for my storage array?

The 6 TB 7200 RPM drive gives 50% more capacity than the 4 TB 7K4000 while using 30% less power per terabyte, so you need fewer bays for the same raw space.

What does the 7200 RPM rating mean for real-world throughput inside a server?

At 7200 RPM the drive delivers up to 25% faster sequential read and write speeds versus the previous generation, with average seek time of 7.6 ms and average latency of 4.16 ms.

How does the SAS 12Gb/s interface limit transfer speed in practice?

The 12 Gb/s SAS link caps the burst transfer rate at the interface level, while sustained throughput is governed by the 7200 RPM mechanics and 128 MB cache buffer.

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