Western Digital Ultrastar DC HC550 18TB Hard Drive

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  • 18TB Storage Capacity
  • 3.5″ Form Factor
  • SATA III 6 Gb/s Interface
  • 512MB Cache
  • 7200 rpm
  • Up to 269 MB/s Data Transfer Speeds
  • 2.5 Million Hour MTBF
  • HelioSeal Technology
  • 600,000 Load/Unload Cycles
  • 0.35% Annualized Failure Rate (AFR)
  •  Delivery & Return

    🚚 Shipping and Risk:

    • Order Will Be Shipped Within 24-48 Working Hours After the Order is Processed.
    • Shipping Partners : Delhivery, XpressBees, Gati, BlueDart, Ecom Express (Depending on Availability at Your Pincode), Computech DOES NOT Have any Control over Operations of Shipping Partners.
    • Delivery dates are estimates Provided By Shipping Partners. Shipping Partners are solely responsible for any kind of Delays.
    • Loss or damage occured during shipping is Computech Responsibility.
    • You Must Leave a Remark During Delivery to Delivery Guy About Damaged Box or Package, and Make an Un-cut Unboxing Video of the Package.
    • You must notify Computech of damaged or missing items from your order within 24-hours of receiving your package

    ♻️ Replacement and Refund Policy:

    • We accept replacement if product is defective or wrong product shipped no return or refund will be entertained.
    •  For gaming chairs only part replacement is applicable if the product delivered is defective or damaged, no refunds will be there for orders of gaming chairs.
    • If the seal of the product is opened and the product is not faulty then return/refund will not be applicable.
    • Packaging material should be kept by the buyer until the replacement window is opened as this will help them to pack the product to its original form to avoid any damage during the transit.
    • Product should be packed in a proper way as it was received by the buyer, do not apply tapes or glues directly on the product or on the product box, this may lead to cancellation of your replacement request.
    • All the accessories which were delivered along with the product should be returned in the same way and along with the product.
    • If the payment was made through our payment gateway, then it will be refunded in same account by which the payment was done, in case of BANK TRANSFER and COD orders refunds will be done only in buyers bank account. Refunds usually takes 7-10 working days to reflect in your account.
  Estimated Delivery: Mar 04 – Mar 08
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Western Digital Ultrastar DC HC550 18 TB Hard Drive 3.5″ Internal 512MB SATA 7200rpm 512E SE NP3 WUH721818ALE6L4

WD 18TB UltraStar DC HC550 7200 rpm SATA III 3.5" Internal HDD (OEM)

Total Cost of Ownership (TCO) Drives the Data Center Architecture

Data center decisions are driven by TCO. Higher capacity hard drives play a role in reducing TCO. An 18TB data center HDD provides 29% more capacity than a 14TB HDD in the same form factor. Higher capacity HDDs enable data centers to lower CapEx by reducing 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 requires 22% fewer racks while consuming 21% less power per TB at idle.

Raising the Bar with Advanced Technologies

The WD Ultrastar DC HC550 integrates a suite of technologies on a 9-disk platform to create a new class of HDDs. Its 18TB capacity is achieved by combining technologies that improve areal density with technologies that improve performance and reduce power consumption. It uses Energy-Assisted Magnetic Recording (EAMR) technology to improve writability and increase areal density, while a Triple Stage Actuator (TSA) enhances head-positioning accuracy, delivering better performance and increased areal density. Lastly, this drive uses HelioSeal technology, which is now in its 6th generation.

Trusted Reliability and Quality for Data at Scale

With its massive capacity and 2.5 million hour MTBF reliability rating, the UltraStar DC HC550 is made for object storage implementations. Object storage systems with erasure coding provide better data durability compared to RAID systems, given their tolerance for simultaneous error conditions. The DC HC550 offers security and encryption options to help protect data from unauthorized use, including SED models in both SATA and SAS. A SED-FIPS will be available in SAS configuration.
WD 18TB UltraStar DC HC550 7200 rpm SATA III 3.5" Internal HDD (OEM)

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 Ultrastar DC HC550 HDDs are the first commercial implementation of Energy-Assisted Magnetic Recording technology and utilize the industry’s 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.

Product Highlights

  • Up to 18TB capacity in a standard 3.5-inch form factor with 7200 RPM
  • CMR technology works with all capacity enterprise applications & environments
  • Industry’s first Energy-Assisted Magnetic Recording technology
  • Industry’s first Triple Stage Actuator
  • Leading HelioSeal technology
  • Reliable, field-proven design across five generations
  • HelioSeal design delivers outstanding power efficiency (Watts/TB)
  • 2.5 Million 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

The Ultrastar DC HC550 18TB CMR HDD delivering industry leading capacity for the data center through a combination of new and proven technologies.

Western Digital is the first to deliver Energy-Assisted Magnetic Recording (EAMR) technology and a Triple Stage Actuator (TSA). These new technologies combined with further mechanical innovations and HelioSeal technology provide the industry’s highest capacities to enable data at scale with optimized TCO for data center architectures, while maintaining workload reliability and performance.

Hard Drive Type Internal hard drive
Form Factor 3.5″
Form Factor (metric) 8.9 cm
Form Factor (Short) 3.5″
Form Factor (Short) (metric) 8.9 cm
Storage Interface Serial ATA-600
Interface Serial ATA-600
Capacity 18 TB
Average Latency 4.16 millisecond
Data Transfer Rate 600 MBps
Internal Data Rate 262 MBps
Spindle Speed 7200 revolutions per minute
Buffer Size 512 megabyte
Non-Recoverable Errors 1 per 10^15
Load / Unload Cycles 6,00,000
24×7 Operation Yes
Features Media Cache Plus, Rotational Vibration Safeguard (RVS), Two-Dimensional Magnetic Recording (TDMR), Conventional magnetic recording (CMR), Triple State Actuator (TSA), Energy-Assisted Magnetic Recording (EAMR), HelioSeal
Interfaces 1 x SATA 6 Gb/s
Compatible Bay 3.5″
Power Consumption 5.6 Watt (idle), 6.5 Watt (typical)
MTBF 2,500,000 Hours
Width 4 inch
Depth 5.8 inch
Height 1 inch
Weight 24.34 ounce
Type 5-year warranty
Shock Acceleration (Operating) 50 gram
Shock Duration (Operating) 2 ms half-sine wave
Shock Acceleration (Non-operating) 250 gram
Shock Duration (Non-operating) 2 ms half-sine wave
Vibration Acceleration (Operating) 0.67 gram
Vibration Frequency Range (Operating) 5-500 Hz
Vibration Acceleration (Non-operating) 1.04 gram
Vibration Frequency Range (Non-operating) 2-200 Hz
Min Operating Temperature 41 degree Fahrenheit
Max Operating Temperature 140 degree Fahrenheit
Min Storage Temperature -40 degree Fahrenheit
Max Storage Temperature 158 degree Fahrenheit
Weight 1 kg
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