Seagate ST9500423AS 500GB Hard Disk
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Seagate ST9500423AS 500GB SATA 7.2K RPM Hard Drive 16MB Bulk

Availability: In Stock
Part Number#: ST9500423AS
List Price was: $587.88
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Short Description:
ST9500423AS 500 Gigabyte (GB) 7200 Revolutions Per Minute (RPM) Serial Advanced Technology Attachment (SATA)-II 16 Megabyte (MB) Internal Hard Disk Drive 2.5Inches | Made by Seagate | New Bulk Pack
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of the Seagate ST9500423AS HDD

In the realm of data storage, the Seagate ST9500423AS 500GB HDD stands out as a reliable and efficient option. This detailed exploration will provide insights into its key features, performance specifications, and benefits, all presented in simple English for easy understanding.

Key Features

Storage Capacity

The Seagate ST9500423AS boasts a generous storage capacity of 500 Gigabytes (GB). This ample space is ideal for storing a variety of data, including documents, photos, videos, and applications.

Speed and Performance

Operating at 7200 Revolutions Per Minute (RPM), this hard disk drive delivers impressive speed and performance. The higher RPM contributes to faster data access and transfer rates, enhancing overall system responsiveness.

Interface: SATA-II

The SATA-II (Serial Advanced Technology Attachment) interface ensures seamless connectivity between the hard disk drive and the motherboard. This technology facilitates high-speed data transfer and efficient communication, optimizing the overall performance of your system.

Compact Form Factor

With a 2.5-inch form factor, the Seagate ST9500423AS is designed to fit into laptops and other compact devices. This makes it an excellent choice for those seeking reliable storage solutions for portable computers without compromising on capacity or performance.

Cache Size: 16MB

Featuring a 16 Megabyte (MB) cache size, this internal hard disk drive efficiently stores frequently accessed data for quick retrieval. The sizable cache contributes to smoother system operations and reduced loading times for applications.

Benefits of Choosing Seagate ST9500423AS


Seagate is renowned for producing reliable storage solutions, and the ST9500423AS is no exception. The drive is built with quality materials and undergoes rigorous testing to ensure long-term durability and data integrity.

Fast Data Transfer

The combination of a 7200 RPM speed and the SATA-II interface enables the Seagate ST9500423AS to deliver fast data transfer rates. Whether you're transferring large files or running resource-intensive applications, this hard disk drive can keep up with your demands.


The 2.5-inch form factor and SATA-II interface make the ST9500423AS compatible with a wide range of devices, especially laptops. Users can easily upgrade their storage or replace existing drives with this Seagate model, enhancing the storage capacity and performance of their systems.

Silent Operation

Equipped with advanced technology, the Seagate ST9500423AS operates quietly. This is a crucial benefit for users who prioritize a noise-free computing environment, especially in settings where minimal noise is essential.

General Information about the Seagate ST9500423AS

  • Manufacturer: Seagate
  • Part Number or SKU# ST9500423AS
  • Product Type: 500GB 7.2K RPM
  • Product Name: Hard Disk Drive

Technical Specifications

  • Capacity: 500GB
  • Interface: SATA 3.0 Gb/s
  • Form Factor: 2.5-inch
  • RPM: 7,200
  • Cache: 16MB
  • Average Latency: 4.16ms
  • Sustained Transfer Rate: up to 115 MB/s
  • Seek Time: 11ms (read), 13ms (write)
  • Shock Resistance: 350G (2ms operating), 1000G (1ms non-operating)
  • Operating Temperature: 0°C to 60°C
  • Non-Operating Temperature: -40°C to 70°C


  • Maximum External Data Transfer Rate: 600 MBPS
  • Rotational speed: 7200 RPM
  • Buffer: 16 MB

In summary, the Seagate ST9500423AS 500GB Internal Hard Disk Drive is a compelling choice for individuals seeking a balance between storage capacity, speed, and reliability. Its features, including a 7200 RPM speed, SATA-II interface, and 16MB cache, make it a versatile option for various computing needs. Whether you're upgrading your laptop's storage or building a new system, the Seagate ST9500423AS offers a solid foundation for efficient data storage and access.

Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

About New Bulk Pack Products

New Bulk Pack products come with clamshell boxes and do not have any manufacturer warranty. Many times manufacturers disassemble whole units to use parts or pulled from a new system. Typically, this product doesn't come with software or instructions unless indicated and no Manufacturer’s genuine warranty. You can take note these are not brand new products.

Here, you can check more available conditions of your desired product ST9500423AS at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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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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Shipping Options and Estimated Delivery Time

UPS Shipping Options:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM

UPS Next Day Air® First Overnight - Early A.M
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UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday

FedEx Shipping Options:

FedEx Ground®
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®
Estimated delivery time: 2 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states

FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
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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