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20pk 1.2tb Ultrastar C10k1800 Sas 10000 RPM 2.5in 512n Ultra / Mfr. No.: 0b31231-20pk

20pk 1.2tb Ultrastar C10k1800 Sas 10000 RPM 2.5in 512n Ultra / Mfr. No.: 0b31231-20pk
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Item Number: hgs-0b3123120pk
Vendor Number: 0B31231-20PK
Vendor: Hgst - Enterprise
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HGST delivers best-in-class performance and capacity in one small form factor hard drive. The Ultrastar® C10K1800 is a 10K RPM enterprise-class HDD that stores up to 1.8TB of data, 50% more capacity than prior generations, plus delivers best-in-class active and idle power efficiency, enabling next generation data centers to keep pace with digital data growth and improve space and power efficiencies. Data center architects can also leverage best-in-class performance on the C10K1800, achieving up to 2.5X better random write performance and 23% faster sequential performance over prior generation 2.5-inch SFF 10K RPM HDDs for demanding 24x7 enterprise workloads.

Best-in-class performance is achieved through several HGST technology innovations including media cache architecture, the industry's fastest 12Gb/s SAS interface and advanced format options. HGST's media cache architecture is a disk-based caching technology, which provides a large non-volatile cache on the media resulting in improved reliability and data integrity during unexpected power loss, as well as a significant improvement in write performance even at high workloads when compared to solutions with limited NAND or flash-based NVC. The C10K1800 is the industry's first 10K RPM drive to leverage an industry-leading 12Gb/s SAS interface, enabling very high transfer rates between host and drive. Advanced format models enable the industry's highest 10K RPM capacity at 1.8TB with 4K native and 512 emulation to support new systems, and also offers 512 native format models to support legacy systems.

General Information

ManufacturerHGST, A Western Digital Company
Manufacturer Part Number0B31231-20PK
Manufacturer Website Address
Product LineUltrastar
Product SeriesC10K1800
Product ModelHUC101812CSS204
Product Name2.5-inch Enterprise Hard Drive
Packaged Quantity20
Product TypeHard Drive

Additional Product Specifications

Full Product SpecificationsClick to view

Technical Information

Storage Capacity1.20 TB

Drive Performance

Spindle Speed (rpm)10000
Buffer128 MB

Network & Communication

Wireless LANNo


Drive InterfaceSAS
Drive Interface Standard12Gb/s SAS

Physical Characteristics

Drive TypeInternal
Drive Width2.5"
Weight (Approximate)8.01 oz


Limited Warranty5 Year
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