WESTERN DIGITAL 

WESTERN DIGITAL 0B25168 HGST 1.2TB 10K 64MB SAS 6G 2.5IN

Mfg Part Number:  0B25168  
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Price: $213.23
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Last Updated: Jun 13, 2026
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The Ultrastar C10K1200 is the industry's highest-capacity 10,000 RPM, enterprise-class hard drive, delivering a massive 1.2TB of storage space. Providing a capacity extension to HGST's proven Ultrastar C10K900 product line, the 2.5-inch Ultrastar C10K1200 features a SAS 6Gb/s interface for reliable data throughput, a 64MB cache buffer for optimized read/write response time, and a fast 10K RPM rotational speed for reliable high-performance computing. All this, combined with the drive's low power, high capacity and high performance attributes, results in higher density servers, blades and network storage arrays that helps reduce space requirements, lowers cooling costs and improves total cost of ownership (TCO).

Main Specification
General Information
Manufacturer Western Digital Corporation
Manufacturer Part Number 0B25168
Manufacturer Website Address http://www.wdc.com
Brand Name HGST
Product Line Ultrastar
Product Series C10K1200
Product Model HUC101212CSS600
Product Name 1.2TB 2.5-inch Enterprise Hard Drive
Product Type Hard Drive
Technical Information
Storage Capacity 1.20 TB
Features Halogen-free
Features Self-encrypting Drive
Drive Performance
Maximum External Data Transfer Rate 6144 MB/s (48 Gbit/s)
Maximum Internal Data Transfer Rate 2232 MB/s (17.4 Gbit/s)
Spindle Speed (rpm) 10000
Buffer 64 MB
Interfaces/Ports
Drive Interface SAS
Drive Interface Standard 6Gb/s SAS
Physical Characteristics
Drive Type Internal
Form Factor 2.5"
Height 0.6"
Width 2.8"
Depth 4"
Weight (Approximate) 7.69 oz
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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