Western Digital WDS400T1R0A 4TB SATA-6GBPS
If you need a large quantity of WDS400T1R0A product - call us through our toll-free number at (800) 675 5044 or request a quote at live chat and our sales manager will contact you shortly.
Looking for assistance? Connect with one of our experts
+1 (800) 675 5044 (Toll-Free)
FREE Shipping. We are accepting NET 30 Days Purchase Orders. Get a decision in seconds, without affecting your credit.

WDS400T1R0A Western Digital NAND 4TB SATA-6GBPS 2.5inch 7MM Bulk

Availability: In Stock
Part Number#: WDS400T1R0A
List Price was: $1153.85
Your Price:
You Save: $703.85 (61% off)

Additional 5% Discount on Checkout

Short Description:
WDS400T1R0A Serial Advanced Technology Attachment (SATA) NAND 4TB 6GBPS 2.5inch 7MM Internal Solid State Drive for Server | Made by Western Digital | New Bulk Pack
Western Digital
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

How to Install the WDS400T1R0A Internal SSD

Installing the WDS400T1R0A Western Digital NAND 4TB SATA-6GBPS 2.5inch 7MM Internal SSD is a straightforward process that can be done by following these steps:

  • Prepare your computer: Before installing the SSD, make sure that your computer is turned off and unplugged from any power source. You may also want to take precautions against static electricity by wearing an anti-static wrist strap.
  • Remove the existing hard drive: Locate the existing hard drive in your computer and remove it by releasing any retaining screws and gently pulling it out of its bay.
  • Connect the SSD: Connect the SSD to the computer by inserting it into the drive bay and securing it with the retaining screws. Make sure the SATA data and power connectors are securely attached to the SSD.
  • Boot the computer: Turn on the computer and enter the BIOS or UEFI setup utility. You may need to press a specific key during bootup to enter this setup utility, such as Del or F2.
  • Configure the BIOS/UEFI: In the BIOS/UEFI setup utility, navigate to the Storage or Boot menu. Make sure that the SSD is recognized as a bootable device and that it is set as the first boot device.
  • Install the operating system: If you're installing a new operating system, insert the installation disc or USB drive and follow the on-screen instructions to install the operating system on the SSD.
  • Transfer data: If you're migrating data from an existing hard drive, you can use a disk cloning software to transfer the data to the new SSD.
  • Verify the installation: After the installation is complete, restart the computer and verify that the operating system and data are accessible from the SSD.

Note: The specific steps may vary slightly depending on your computer's make and model, so it's recommended to consult your computer's manual or the manufacturer's website for detailed instructions.

Compatibility and System Requirements

The WDS400T1R0A Western Digital NAND 4TB SATA-6GBPS 2.5inch 7MM Internal SSD is compatible with a wide range of computer systems that have a 2.5-inch drive bay and support the SATA-6GBPS interface. Here are the general system requirements for using the WDS400T1R0A SSD:

  • SATA-6GBPS Interface: The SSD must be connected to a computer system that has a SATA-6GBPS interface in order to take advantage of its fast data transfer speeds.
  • 2.5-inch Drive Bay: The SSD must be installed in a 2.5-inch drive bay, which is the standard size for laptop hard drives and some desktop computers.
  • Operating System Compatibility: The WDS400T1R0A SSD is compatible with a wide range of operating systems, including Windows, macOS, Linux, and others.
  • BIOS or UEFI Support: The computer's BIOS or UEFI firmware must support booting from a SATA-connected storage device in order to use the SSD as the primary boot drive.
  • Power Supply: The computer must have a sufficient power supply to power the SSD.
  • Computer Age and Hardware Compatibility: The WDS400T1R0A SSD is compatible with a wide range of computers, but some older systems may not be able to support the high speeds of a SATA-6GBPS interface. Check with the computer's manufacturer to verify compatibility.

Note: Before purchasing the WDS400T1R0A SSD, it is important to verify that your computer meets these requirements and is compatible with the SSD. You may also want to consult with the computer's manufacturer or a technical expert for assistance with compatibility and installation.

2.5-inch 7MM Form Factor and its Significance

Western Digital NAND 4TB SATA-6GBPS 2.5inch 7MM Internal SSD. The 2.5-inch measurement refers to the diameter of the drive, while the 7mm measurement refers to its thickness.

This form factor is significant because it is the standard size for laptop hard drives and is compatible with many desktop computers that have a 2.5-inch drive bay. The 7mm thickness of the SSD is also significant because it allows for increased compatibility with slimline laptop designs and with desktops that have limited space for storage devices.

The use of the 2.5-inch 7mm form factor also has performance implications for the SSD. A smaller form factor often leads to reduced power consumption, which results in lower heat generation and improved reliability. Additionally, the compact size of the SSD allows for increased portability and makes it easier to install in a variety of computer systems.

The 2.5-inch 7mm form factor is an important consideration for those who are looking to upgrade their storage with an internal SSD, as it affects both compatibility and performance. By choosing an SSD with the 2.5-inch 7mm form factor, you can ensure that it will be compatible with your computer and that it will perform at its best.

General Information

  • Manufacturer : Western Digital (WD)
  • Manufacturer Model : WDS400T1R0A
  • Product Type : Solid State Drive (SSD)
  • Product Series : Wd Red Sa500 Nas SSD
  • Product Name : Wd Red Sa500 Nas Solid State Drive

Key Features:

  • Storage Capacity : 4 TB
  • Enclosure : Internal
  • Drive Dimensions : 2.5 Inch
  • Mttf : Up To 2m Hours
  • Interface : SATA-6GBPS


  • Sequential Read : Up To 560 Mbps
  • Sequential Write : Up To 530 Mbps
  • Random Read : Up To 95k Iops
  • Random Write : Up To 82k Iops
  • endurance : 2500 Tbw
Western Digital
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 WDS400T1R0A 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.

Other Available Categories For - Solid State Drive - SATA-6GBPS


Please choose your location for calculate shipping cost.


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.

Free Technical support on purchased items, our expert consultancy over the phone, by email, by live chat, or by remote login.


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
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.

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.
  • We are not responsible for weather problems that may affect the delivery of goods by carriers. We cannot guarantee the exact delivery time, regardless of the carriers' claims.
  • If you have any specific delivery time requirements, please contact our customer support and someone from our customer service team will be able to help you.
  • You can estimate the shipping cost from the products detail page, also available on the checkout page
  • The shipping cost depends on box dimensions, weight, and zip/postal code
  • To get a FedEx® delivery service you need to mention it on the checkout page notebox.
  • For urgent shipments, please contact our customer service.
  • Shipping cut off 4:00 PM (Monday-Friday) and available blind drop shipment.