Western Digital Ultrastar DC HC550 18 TB Hard Drive - 3.5" Internal - SAS [12Gb/s SAS] (244987) Western Digital Ultrastar DC HC550 18 TB Hard Drive - 3.5" Internal - SAS [12Gb/s SAS] (244987)
International Customers: All electronic products are packaged for sale in the US with US voltage.
Country of Origin: Thailand
Product Description
This item is brand-new, factory sealed.
Driving Up Capacity and Driving Down TCO for Cloud and Hyperscale Data Centers
The breadth and depth of Big Data is driving the universal need for higher capacities across a broad spectrum of applications and workloads. Laying the foundation for a worry-free data center, Western Digital delivers the capacity to conquer the data explosion with the Ultrastar DC HC500 series of hard disk drives (HDDs). The DC HC500 series is designed for public and private cloud environments where storage density and cost-efficient infrastructure is critical.
The 18TB/16TB Ultrastar DC HC550 HDDs are the first commercial implementation of Energy-Assisted Magnetic Recording technology and utilize the industrys first Triple Stage Actuator. These technologies, integrated with HelioSeal on a 9-disk platform, deliver the highest areal density and unmatched Total Cost of Ownership for customer and market needs.
Highlights
Up to 18TB capacity in a standard 3.5-inch form factor
Industrys first Energy-Assisted Magnetic Recording technology
Industrys first Triple Stage Actuator
Leading HelioSeal technology
Reliable, field-proven design across five generations
HelioSeal design delivers power efficiency (Watts/TB)
2.5M hours MTBF rating and a 5-year limited warranty
Applications and Workloads
Cloud & Hyperscale Storage
Massive Scale-Out (MSO), high-density data centers
Distributed File Systems
Bulk storage using Object storage solutions like Ceph and OpenStack Swift
Primary and secondary storage for Apache Hadoop for Big Data Analytics
Surveillance Analytics
General
Interface
SAS 12 Gb/s
Capacity
18TB
Format: Sector size (bytes)
4Kn: 4096, 4112 4160, 4224
512e: 512, 520, 528
Performance
Data buffer (MB)
512
Rotational speed (RPM)
7200
Sustained transfer rate
(MiB/s, typical)
257
(MB/s, typical)
269
Reliability
Error rate (non-recoverable bits read)
1 in 1015
MTBF (M hours, projected)
2.5
Annualized Failure Rate (AFR, projected)
0.35%
Load/Unload cycles (at 40oC)
600,000
Availability (hrs/day x days/wk)
24x7
Acoustics
Idle/Operating (Bels, typical)
2.0
Power
Requirement
+5 VDC, +12VDC
Operating (W)
8.8
Idle (W)
5.8
Power consumption efficiency at Idle
(Watts/TB)
0.32
Environmental (Operating)
Ambient temperature
5oC to 60oC
Shock (half-sine wave, 2ms, G)
70
Environmental (Non-Operating)
Ambient temperature
-40oC to 70oC
Shock (half-sine wave, G)
250 (2ms)
Random Vibration (G RMS, 2 to 200 Hz)
1.04 (XYZ)
Item Dimension (L"x W"x H")
6 x 4 x 2
Weight
1.50 LB
Warranty Information
5 years
SpecificationPhysical CharacteristicsForm Factor3.5"Weight (Approximate)1.52 lbDrive TypeInternalWarrantyLimited Warranty5 YearInterfaces/PortsDrive Interface Standard12Gb/s SASDrive InterfaceSASGeneral InformationBrand NameWestern DigitalMarketing Information 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. More from the Manufacturer Product TypeHard DriveProduct NameUltrastar DC HC550 Hard DriveManufacturerWestern Digital CorporationManufacturer Part Number0F38353Product SeriesDC HC550Product LineUltrastarTitleProduct TitleWestern Digital Ultrastar DC HC550 18 TB Hard Drive - 3.5" Internal - SAS [12Gb/s SAS] (0F38353)Drive PerformanceBuffer512 MBSpindle Speed (rpm)7200Network & CommunicationWireless LANNoTechnical InformationStorage Capacity18 TBDisk Format512e Shipping
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Returns
This item is eligible for return within 30 days of delivery. Opened items must be in re-sellable condition including original packaging and all accessories.
Please visit our Returns Page for more information on Excluded Items, Damage Claims, and more details on requesting RA information.
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