Твърд диск 18TB Western Digital Ultrastar DC HC550 (0F38353), SAS 12Gb/s, 7200 rpm, 512MB кеш, 3.5" (8.89 cm)

Total Cost of Ownership (TCO) Drives the Data Center Architecture
Data center decisions are driven by TCO. Higher capacity hard drives play a leading role in reducing TCO. An 18TB data center HDD provides 29% more capacity in the same form factor as a 14TB HDD. Higher capacity HDDs enable data centers to lower CapEx by reducing supporting hardware and system level costs when compared to lower capacity drives. Helium-sealed, low power, high reliability drives reduce energy and maintenance costs, contributing to OpEx savings. For example, a data center using 18TB HDDs vs. 14TB HDDs can require 22% fewer racks while consuming 21% less power per TB at idle, resulting in significant overall TCO reduction for data center environments.

Raising the Capacity Bar with New Technologies
Ultrastar DC HC550 integrates a suite of technologies on a 9-disk platform to create a new class of HDDs. 18TB capacity is achieved by combining technologies that improve areal density working together with technologies that improve performance and reduce power consumption.
●  The first HDD in the industry to harness Energy-Assisted Magnetic Recording (EAMR) technology improves writability and therefore increases areal density.
●  The industry’s first Triple Stage Actuator (TSA) enhances head-positioning accuracy, delivering better performance and increased areal density.
●  HelioSeal® technology is the foundation for Western Digital’s high capacity HDDs and this is the 6th generation of HelioSeal product. Western Digital has shipped >65 million HelioSeal products to date.

Full Specifications
Capacity: 16 TB
Interface: SAS
Connector: SATA
Disk Speed (RPM): 7200rpm
Cache Size (MB): 512MB
Form Factor: 3.5 Inch
Transfer Rate: up to 1200MB/s
Compatibility: Compatible with Windows, Windows Server and Linux
Dimensions (L x W x H): 5.79" x 4" x 1.03"

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