Data Center Drives Ultrastar® DC HC550
from Western Digital

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5-Year Limited Warranty
5-Year Limited Warranty

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Ultrastar DC HC550 HDD 18tb

Highest Capacities for Lower TCO

Data center decisions are driven by TCO.  The Ultrastar DC HC550, with 16TB & 18TB1, play a leading role in reducing TCO.

Product Details

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
18 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"

Product Numbers

16 TB , SAS , SED
0F38356
16 TB , SAS , SE
0F38357
16 TB , SAS , SED-FIPS
0F38358
16 TB , SATA , SED
0F38461
16 TB , SATA , SE
0F38462
18 TB , SAS , SED
0F38352
18 TB , SAS , SE
0F38353
18 TB , SAS , SED-FIPS
0F38354
18 TB , SATA , SED
0F38458
18 TB , SATA , SE
0F38459

Ratings & Reviews

Disclosures

  1. One megabyte (MB) is equal to one million bytes, one gigabyte (GB) is equal to 1,000MB (one billion bytes), one terabyte (TB) is equal to 1,000GB (one trillion bytes), and one petabyte (PB) is equal to 1,000TB. Actual user capacity may be less due to operating environment.