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  • WD XE 900 GB Enterprise Hard Drive: 2.5 Inch, 10000 RPM, SAS, 32 MB Cache - WD9001BKHG
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WD XE 900 GB Enterprise Hard Drive: 2.5 Inch, 10000 RPM, SAS, 32 MB Cache - WD9001BKHG


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900 GB
  • Ideal for demanding high-performance computing and mission-critical environments
  • Ultra-fast 6 Gb/s SAS storage, with low power consumption and the industry's highest reliability rating
  • Dual port, full duplex connectivity offers higher reliability, performance and data availability by eliminating single points of failure - optimal for high availability mission-critical enterprise systems
  • Works with Windows, Windows server, Linux, and Mac, Note: Compatibility may vary depending on user's hardware configuration and operating system
  • 5 year limited warranty
33 new from $358.73 1 used from $190.00 3 refurbished from $229.00


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Capacity: 900 GB

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This item: WD XE 900 GB Enterprise Hard Drive: 2.5 Inch, 10000 RPM, SAS, 32 MB Cache - WD9001BKHG
Customer Rating (2) (75) (17) (81)
Price $ 358.73 $ 240.99 $ 170.00 $ 252.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Daytona Web Amazon.com Aeon Micro, Inc. Daytona Web
Hard Disk Size 900 GB 4 TB 1 TB 4 TB
Speed 10000 rpm 7200 rpm 7200 rpm 7200 rpm
Form Factor 2.5 inch 3.5 inch 2.5 inch 3.5 inch
Hardware Interface sas sata 6 0 gb Information not Provided sata 6 0 gb
Cache Memory Installed 32 64 64 MB 64
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Technical Details

Capacity: 900 GB
  • Hard Drive: 900 GB 10000 rpm Serial ATA-300
  See more technical details

Product Details

Capacity: 900 GB
  • Product Dimensions: 19.5 x 7 x 10 inches ; 9.6 ounces
  • Shipping Weight: 1.2 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B0081TYILO
  • Item model number: WD9001BKHG
  • Average Customer Review: 5.0 out of 5 stars  See all reviews (2 customer reviews)
  • Date first available at Amazon.com: May 9, 2012

Product Description

Capacity: 900 GB

Product Description

WD XE SAS hard drives provide up to 900 GB of high performance storage suitable for both enterprise server and enterprise storage applications. The ultra-fast 6 Gb/s SAS interface enables optimum data reliability, availability, and scalability. The small form-factor, 70 percent smaller than 3.5-inch drives, allows more system airflow resulting in lower cooling costs. In an environment where space and power are limited, the WD XE SAS drives are an effective solution for high performance computing and mission critical environments. 5-year limited warranty.

From the Manufacturer

WD Xe Datacenter Capacity HDD – High-density performance storage for demanding applications.

WD Xe SAS 2.5 inch hard drives provide up to 900 GB of high performance storage suitable for both enterprise server and storage applications. The ultra-fast 6 Gb/s SAS interface enables optimum data reliability, availability, and scalability. Designed for environments where space is limited and low power consumption is needed, the WD Xe drives are an effective solution for online transaction processing (OLTP), database query, analytics, high-performance computing and multi-tenant server applications.

Ultra-fast SAS Storage
WD Xe delivers 6 Gb/s transfer rates, best-in-class maximum sequential data rate of 204 MB/s and outstanding random I/O performance.
WD Xe
Low Power Consumption
WD Xe SAS drives use less power resulting in, lower cooling costs and lower total cost of ownership (TCO) while increasing capacity and reliability.
WD Xe
Industry's Highest Reliability Rating
With a field-tested 2 million hour MTBF, this high performance drive is perfect for enterprise server and enterprise storage applications.
WD Xe
Product Features

Ultra-fast SAS storage - WD Xe delivers 6 Gb/s transfer rates, best-in-class maximum sequential data rate of 204 MB/s and outstanding random I/O performance.

Lower your power consumption - WD Xe SAS hard drives provide up to 900 GB of high performance storage suitable for both enterprise server and storage applications. The ultra-fast 6 Gb/s SAS interface enables optimum data reliability, availability, and scalability. Designed for environments where space is limited and low power consumption is needed, the WD Xe drives are an effective solution for online transaction processing (OLTP), database query, analytics, high-performance computing and multi-tenant server applications.

3.5-inch performance adapter - WD Xe comes pre-mounted in a 3.5-inch performance adapter, providing easy installation into legacy 3.5-inch server and storage system slots, while optimizing the drive's thermal management efficiency. (HKHG models only)

Dual processor - Twice the processing power to maximize performance.

Dual port, full duplex connectivity- Offers higher reliability, performance and data availability by eliminating single points of failure, designed for high-availability mission-critical enterprise systems.

Dual actuator technology -A head positioning system with two actuators that improves positional accuracy over the data track(s). The primary actuator provides coarse displacement using conventional electromagnetic actuator principles. The secondary actuator uses piezoelectric motion to fine tune the head positioning to a higher degree of accuracy.

StableTrac - The motor shaft is secured at both ends to reduce system-induced vibration and stabilize platters for accurate tracking during read and write operations. (2 TB and above)

Multi-axis shock sensor - Automatically detects the subtlest shock events and compensates to protect the data.

Vibration Protection - Enhanced RAFF technology includes sophisticated electronics to monitor the drive and correct both linear and rotational vibration in real time. The result is a significant performance improvement in high vibration environments over the previous generation of drives.

RAID-specific, time-limited error recovery (TLER) - Prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives.

Thermal extended burn-in test - Each drive is put through extended burn-in testing with thermal cycling to ensure reliable operation.

Dynamic fly height technology - Each read-write head's fly height is adjusted in real time for optimum reliability.

NoTouch ramp load technology - The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit.

Environmentally responsible - In addition to being RoHS compliant, these drives are built with halogen reduced components.

The WD advantage - WD puts our datacenter products through extensive Functional Integrity Testing (F.I.T) prior to any product launch. This testing ensures our products consistently meet the high quality and reliability standards of the WD brand. Following a FIT test the Enterprise System Group (ESG) testing validates interoperability with HBAs, operating systems and drivers to ensure an even greater level of quality, reliability and peace of mind.

WD also has a detailed Knowledge Base with helpful articles and software utilities. Our customer support lines have longer operational hours to ensure you get the help you need when you need it. Our toll-free customer support lines are here to help or you can access our WD Support site for additional details.

Self Encrypting Drive (SED) Option - SATA Drive: Optional secure model for encrypting drives – Utilizing an AES 256 bit encryption engine for Crypto erase capability, WD supports both industry standard commands of the Sanitize Feature Set and also the Security Feature Set which utilizes the Secure Erase Unit (SEU) enhanced mode bit.*

* SED drives may require TCG-compliant host or controller support. SED drives may not be available in all countries.

Ideal for:
  • Online transaction processing (OLTP)
  • Database query
  • Analytics
  • High-performance computing
  • Multi-tenant server applications

Features at a Glance

  • 900 GB capacity
  • SAS 6 Gb/s interface
  • 3.5-inch performance adapter
  • Dual processor
  • Low power consumption
  • RAFF rotational vibration cancellation technology
  • StableTrac
  • Vibration Protection
  • Self-encrypting Drive (SED) Option



Datacenter Hard Drives
Comparison Chart
WD Xe WD Re WD Se
High-density performance storage for demanding applications. Durable capacity storage for high-availability deployments. Optimal storage for NAS and scale-out architectures.
Designed for High performance computing solutions, and mission-critical environments. SAS Datacenter storage, NAS/SAN, surveillance and cloud storage. Bulk cloud storage, replicated environments, content delivery networks (CDNs), SMB to high-end network attached storage (NAS), backup and archiving.
Capacity range 300 GB - 900 GB 250 GB - 4 TB 2 TB - 4 TB
Interface SAS 6 Gb/s SAS 6 Gb/s
SATA 6 Gb/s
SATA 3 Gb/s
SATA 6 Gb/s
Cache 32 MB 32 MB and 64 MB 64 MB
Form factor 2.5-inch
3.5-inch
3.5-inch 3.5-inch

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Most Helpful Customer Reviews

2 of 2 people found the following review helpful By D. nguyen on July 22, 2013
Size Name: 600 GB Verified Purchase
Used with others WD XE 600 to replace the 146GB 15K drives
Work fine with DELL R610 server in RAID5+hotspare configuration run Windows 2012 server
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0 of 1 people found the following review helpful By Delinncol Sistems S.A. de C.V. on July 7, 2014
Size Name: 900 GB Verified Purchase
Thank you...is very nice!
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