Hitachi Hitachi HDD 0B26011 300GB SAS Enterprise 10K 64MB 2.5inch Ultrastar 6Gb/s Bare Drive
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Product Information for Hitachi Hitachi HDD 0B26011 300GB SAS Enterprise 10K 64MB 2.5inch Ultrastar 6Gb/s Bare Drive

Highlights for Hitachi Hitachi HDD 0B26011 300GB SAS Enterprise 10K 64MB 2.5inch Ultrastar 6Gb/s Bare Drive

Ultrastar C10K900 is a 2.5-inch 10,000 RPM hard drive that leads the industry with 18% faster sequential and up to 17% random performance than the nearest competitor. The high-performance SAS 6Gb/s interface delivers data reliability, availability and scalability and is the only small form factor SAS drive in the industry to pack a 64MB cache buffer for optimized read/write response time.

Best-in-Class Power Performance

Power management innovations designed into the Ultrastar C10K900 enable industry-leading power efficiency, up to 28% better than competing drives, and translate into reduced power requirements and lower cooling costs. HGST Advanced Power Management technology, with multi-state idle modes, maintains compatibility with the INCITS T10 Technical Committee standards direction and can be pre-programmed or manually initiated in the system. Ultrastar C10K900 continues the HGST tradition of environmental leadership with its halogen-reduced components and focus on low power consumption, and carries the HGST EcoTrac classification.

Driving the Small Form Factor Transition

Ultrastar C10K900 delivers capacity parity with 3.5-inch 10K drives, providing a massive 900GB of storage space and enabling lower total cost of ownership for many enterprise environments, especially networked storage arrays. When faced with space and power limitations, the Ultrastar C10K900 is an efficient solution for online transaction processing, intensive data analysis and multi-user applications. Some models of the C10K900 also offer Bulk Data Encryption for hard-drive-level data security. These self-encrypting models are designed to the Trusted Computing Group’s Enterprise A Security Subsystem Class encryption specification and allow you to reduce costs associated with drive retirement and extend drive life by enabling swift and secure repurposing of drives.

HGST Quality and Service

The Ultrastar C10K900 extends the long-standing HGST tradition of leadership in performance and reliability. A balanced combination of new and proven technologies helps ensure high reliability and availability of your data. HGST drives are backed by an array of technical support and services, which may include customer and integration assistance. HGST is dedicated to providing a complete portfolio of hard disk drive solutions to satisfy today’s monumental computing needs.


  • 300GB Capacity
  • 10000RPM Performance
  • Uses 28% less power during operation than competition
  • Halogen-free for footprint
  • 6Gb/s SAS interface


  • Interface SATA: 6Gb/s
  • Available Capacities: 900/600/450/300GB
  • Form factor: 2.5-inch
  • Max. areal density: 494 Gbits/sq. in
  • Data buffer: 64 MB
  • Rotational speed: 10000 RPM
  • Max transfer rate: 600 MB/sec
  • Sustained transfer rate: 117 to 198 MB/sec
  • Seek time: 3.8/4.2ms
  • Operating Temperature: 5 to 60 degrees C
  • Idle Temperature: -40 to 70 degrees C
  • Dimensions: 70.1 x 100.6mm
  • Weight: 204g