Western Digital WD2500AAJB 250GB Hard Disk Drive
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Western Digital WD2500AAJB 250GB Hard Drive 7.2K RPM 8MB Refurbished

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Part Number#: WD2500AAJB
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Short Description:
WD2500AAJB Caviar 250 Gigabytes(GB) 7200 Revolutions Per Minute (RPM) 8 Megabytes (MB) Buffer 3.5Inches Form Factor ATA-IDE Hard Disk Drive | Made by Western Digital | Refurbished
Brand:
Western Digital
Product Condition:
Refurbished
Warranty provided by ALLHDD.COM:
90 Days

Product Introduction of the Western Digital

The WD2500AAJB is a hard drive manufactured by Western Digital. It has a storage capacity of 250 Gigabytes and a rotation speed of 7200 RPM (revolutions per minute). It also has an 8MB buffer, which is a temporary storage area used to improve the drive's performance. This hard drive is typically used for storing large amounts of data, such as music, videos, and photos. It can be used in a wide range of applications, including desktops, laptops, and servers.

In the dynamic world of hard disk drives (HDDs), the Western Digital WD2500AAJB Caviar emerges as a force to be reckoned with, boasting a robust combination of storage capacity, speed, and efficiency. This detailed guide is your go-to resource to understand every facet of this HDD, from its fundamental features to why it's a standout choice for users seeking a dependable storage solution.

Key Specifications

ATA-IDE (Advanced Technology Attachment - Integrated Drive Electronics)

The interface type dictates how the HDD connects to the computer. The WD2500AAJB Caviar utilizes the ATA-IDE interface, a widely recognized standard that ensures compatibility with a range of systems. This interface supports efficient data transfer between the HDD and the computer.

Storage Capacity

The WD2500AAJB Caviar is equipped with a substantial 250GB storage capacity, providing users with ample space to store a diverse range of digital content. Whether it's documents, multimedia files, or applications, this HDD ensures you have the storage capacity you need.

Rotational Speed

The rotational speed of an HDD is a key determinant of its performance. The WD2500AAJB Caviar impresses with a speedy 7200 RPM, ensuring swift data access and reduced latency. This makes it an excellent choice for tasks that demand quick and responsive storage solutions.

Buffer Size: 8 Megabytes (MB)

The buffer size, often referred to as the cache, plays a crucial role in enhancing data transfer speeds. With an 8MB buffer size, the WD2500AAJB Caviar efficiently manages data flow, contributing to smoother and more responsive performance during data-intensive tasks.

Form Factor: 3.5 Inches

The form factor of an HDD determines its physical size and compatibility with various systems. The WD2500AAJB Caviar adopts the standard 3.5-inch form factor, making it suitable for desktop computers and other devices that accommodate this size.

Performance Metrics Simplified

Drive Transfer Rate

The drive transfer rate represents how quickly data can be exchanged between the HDD and the computer. With a powerful rotational speed of 7200 RPM, the WD2500AAJB Caviar facilitates swift data exchange, contributing to overall system efficiency.

Quick Data Retrieval at 8.9 ms (average)

Seek time is a critical metric indicating how quickly the HDD can locate and access data. The WD2500AAJB Caviar boasts an average seek time of 8.9 milliseconds, ensuring rapid data retrieval and minimizing lag during access.

Track-to-Track Seek Time

Track-to-track seek time measures the speed at which the HDD can move from one track to an adjacent track. The WD2500AAJB Caviar excels in this aspect with an efficient track-to-track seek time of 2 milliseconds, contributing to seamless track navigation.

Minimal Waiting Time at 5.5 ms

Average latency represents the time it takes for the selected data to rotate under the read/write head. The WD2500AAJB Caviar impresses with minimal average latency, clocking in at 5.5 milliseconds. This ensures minimal waiting time for data access, enhancing overall system responsiveness.

Rotational Speed (RPM)

  • The WD2500AAJB Caviar spins at 7200 RPM, akin to the heartbeat of your HDD. The faster it spins, the quicker your data can be accessed, making tasks like file transfers and application loading a breeze.

Your HDD's Short-Term Memory

  • The 8MB buffer size is like the short-term memory of your HDD. It stores frequently accessed data, allowing for quicker retrieval and smoother performance. It's especially handy when handling large files or multitasking.

Form Factor: Fit for Your System

  • The 3.5-inch form factor is simply the physical size of the HDD. Picture it as the perfect puzzle piece that fits into desktop computers seamlessly. It's a standard size, ensuring compatibility with a wide range of systems.

Interface Type

The data transfer speed of the WD2500AAJB hard drive will depend on the interface it is connected to and the computer or device it is being used in. The hard drive interfaces most commonly used are PATA and SATA, with SATA being faster. The maximum data transfer rate for SATA 1.5 Gb/s is 150 MB/s, for SATA 3 Gb/s is 300 MB/s, and for SATA 6 Gb/s is 600MB/s. However, the actual data transfer rate will be lower than the maximum due to various factors such as the performance of the computer, the data transfer rate of the interface, and the performance of the hard drive.

  • ATA-IDE is the language your HDD speaks to communicate with your computer. It's like a smooth conversation between the HDD and your system, ensuring data is transferred efficiently and without hiccups.

Wide Compatibility

The WD2500AAJB hard drive is compatible with most computers and devices that have a SATA interface, which is the most common interface for internal hard drives. It should also be compatible with most operating systems, including Windows, MacOS, and Linux. However, it is important to check the specific requirements of the operating system and computer or device before installing the hard drive. If you are planning to use the hard drive in a RAID configuration, check that your RAID controller supports the hard drive. In some cases, you may need to update the firmware of the hard drive or the RAID controller to ensure compatibility.

General Information about this Western Digital WD2500AAJB

  • Manufacturer: Western Digital
  • Part Number or SKU# WD2500AAJB
  • Product Type: Hard Disk Drive (HDD)
  • Interface Type: ATA-100

Technical Details for the 250GB HDD

  • Form Factor: 3.5" x 1/3H
  • Capacity: 250 GB
  • Buffer Size: 8 MB

Performance Metrics

  • Drive Transfer Rate: 100 MBps (external)
  • Seek Time (average): 8.9 ms
  • Track-to-Track Seek Time: 2 ms
  • Average Latency: 5.5 ms
  • Spindle Speed: 7200 rpm

Outline, Your Storage Solution Simplified: In conclusion, the Western Digital WD2500AAJB Caviar HDD is a powerhouse storage solution designed to meet the diverse needs of users seeking reliable and efficient data storage. With its impressive storage capacity, swift rotational speed, sizable buffer, and user-friendly interface, it's a standout choice for desktop computers and other compatible devices.

Whether you're storing extensive media libraries, running applications that demand quick data access, or simply seeking a dependable storage upgrade, the WD2500AAJB Caviar has you covered. Invest in this HDD, and experience a seamless blend of capacity and performance from Western Digital Corporation. Elevate your storage game with the WD2500AAJB Caviar – your gateway to dependable and efficient data storage.

Brand:
Western Digital
Product Condition:
Refurbished
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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Warranty

ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

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Delivery

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Estimated delivery time: 4-7 business days

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Estimated delivery time: 3 business days

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Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

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Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

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UPS® First Overnight - Saturday
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FedEx Shipping Options:

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Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)

FedEx 2Day®
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Available throughout all 50 states

FedEx Standard Overnight®
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Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states

FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states


Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days


Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
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