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Western Digital Ultrastar DC HC320 8TB SATA III

CCL Code: HDD3758
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Manufacturer Code: HUS728T8TALE6L4
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Manufacturer: Western Digital
Western Digital Ultrastar DC HC320 8TB SATA III

Key Features:

  • 8TB Capacity
  • 7200RPM Spin Speed
  • SATA III Interface
  • 256MB Cache
  • 3.5" Form Factor
  • 5 Year Warranty

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Economics and Access Speed: Key Requirements for Low Capacity HDDs in the Data Center

As the industry evolves to develop purpose-built solutions for growing data storage requirements, IT managers continue to rely on lower capacity drives that are economical to acquire, yet deliver quick and reliable data access for traditional data center applications. Designed to handle workloads up to 550TB per year, Ultrastar® DC HC320* is an 8TB1 HDD that helps address economic and access requirements of many traditional IT workloads. Low capacity drives also help address architecture limitations. Part of our mid-capacity DC HC300 series, the Ultrastar DC HC320 is designed for traditional storage and server applications as well as distributed and scalable computing, including block and file storage architectures, providing fast 7,200 RPM performance and lower acquisition cost to help ease budget constraints. Ultrastar DC HC320 is offered with either 6Gb/s SATA or 12Gb/s SAS interface in a 512e9 format.

Technology Innovation Delivers Efficiency and Performance for Traditional IT Systems

Ultrastar DC HC320 is based on a proven 5-disk air platform design that uses conventional magnetic recording (CMR) technology in a 3.5-inch large form factor. Compared to the prior generation, Ultrastar 7K6000, the DC HC320 delivers 33% more capacity, up to 12% performance boost and uses slightly larger-diameter media. It features a second-generation, dual-stage micro actuator to enhance head positioning accuracy for better drive performance. Write performance gains are also supported by Western Digital’s media cache architecture, a disk-based caching technology that provides a large cache area on the disk, which also improves reliability and data integrity during unexpected power loss. Finally, the addition of flash-based non-volatile cache (NVC) on both SATA and SAS models helps improve write performance. The Ultrastar DC HC320 also includes a Rebuild Assist feature, which helps dramatically reduce RAID rebuild times and maintain system performance during the rebuild process. Learn more in our Rebuild Assist technical brief.

Data Security with Trusted Quality, Reliability

Compliance and privacy requirements drive the need for increased data security. Ultrastar DC HC320 helps protect data from unauthorized use by offering security and encryption options. Both SAS and SATA models offer hardware-based encryption options, which includes both Sanitize Crypto Scramble / Erase functionality and TCG encryption (Trusted Computing Group, Enterprise SSC). Additionally, SAS SED is also offered as a FIPS 140–2 Level 2 certified model. The Ultrastar DC HC320 extends Western Digital’s long-standing tradition of reliability leadership with a 2M-hour MTBF2 rating and a 5-year limited warranty.

1  One megabyte (MB) is equal to one million bytes, one gigabyte (GB) is equal to 1,000MB (one billion bytes), and one terabyte (TB) is equal to 1,000GB (one trillion bytes) when referring to storage capacity. Accessible capacity will vary from the stated capacity due to formatting, system software, and other factors.

2 MTBF and AFR specifications are based on a sample population and are estimated by statistical measurements and acceleration algorithms under typical operating conditions for this drive model. MTBF and AFR ratings do not predict an individual drive’s reliability and do not constitute a warranty.

3 Advanced Format drive: 4K (4096-byte) physical sec

4 Portion of buffer capacity used for drive firmware

5 Projected performance.  Actual performance may vary. 1MiB = 1,048,576 bytes (220), 1MB = 1,000,000 bytes (106)

6 Excludes command overhead

7 SATA models: 8K Queue Depth = 1 @ 40 IOPS, SAS models: 4K Queue Depth = 4 @ Max IOPS

8 Idle specification is based on use of Idle_A

9 512e models can be converted to 4Kn format and vice versa.

Main Features

  • Excellent random and sequential performance
  • 8TB capacity point supports traditional IT systems
  • Sustained transfer rate up to 255MB/s
  • Choice of 12Gb/s SAS or 6Gb/s SATA
  • Advanced Format 512e9 models
  • Self-Encrypting Drive options
  • 5-year limited warranty

Hard Disk

Disk Capacity 8000 GB
Disk Size 3.5 "
Disk Speed 7200RPM
Drive Interface SATA III
Data Buffer/RAM 256 MB

Performance

Average Latency 4.16 ms
Data Transfer Rates Up to 600 MB/s
Mean Time Between Failure (MTBF) 2,000,000 hours

System

Plug and Play Yes

Electrical

Electrical Voltage 5 ~ 12 V
Electrical Power Consumption 8.8 W
Electrical Frequency 7.4 W

Environmental

Operating Temperature 5 ~ 60 °C
Non Operating Temperature -40 ~ +70 °C
Shock (Operating) 70G, 2ms
Shock (Non Operating) 300G, 2ms
Vibration (Operating) 0.67G RMS, 5 ~ 500Hz
Vibration (Non-Operating) 1.04G RMS, 2 ~ 200Hz
Acoustics (Seek Mode) 3.6 dB
Acoustics (Idle Mode) 2.9 dB

Physical

Form Factor Hard Disk Drive
Enclosure type Internal
In The Box Hard Disk Drive
Width 101.6 mm
Depth 147 mm
Height 26.1 mm
Weight 715 g

Warranty

Warranty 5 Years

Key Features

Interface Type SATA III
Cache Memory 256 MB
Latency 4.2 ms
Disk Form Factor 3.5
Interface Type SATA III
Condition New
HDD Purpose Enterprise

Storage

HDD Type HDD

Item Details

Manufacturer Western Digital
Manufacturer Code HUS728T8TALE6L4
EAN 8717306631464
Condition New

Warranty Information

Warranty 5 Years

Manufacturer Information

Manufacturer Western Digital
Manufacturer Code HUS728T8TALE6L4

Do you have you a question about the Western Digital Ultrastar DC HC320 8TB 3.5 inch SATA III Internal Hard Disk Drive for Data Centers?

Q: does this drive use cmr or smr
Answer by Website User on 18th September 2020
These drives are CMR. -MR
0 customers found this answer helpful.
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