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Sandisk WDS400T4X0E-00CJA0 Hard Drives Sandisk Wd_black Sn7100 Wds400t4x0e-00cja0 4 Tb Solid State Drive - M.2 2280 Internal - Pci Express  Wds400t4x0e00cja0 718037902982

Part Number: WDS400T4X0E-00CJA0
Condition: New
Availability: 10  
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Product Specifications



SanDisk WD_BLACK SN7100 WDS400T4X0E-00CJA0 4 TB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0)

BLACK SN7100 NVME 4000GB M2 -

Manufacturer Part Number: WDS400T4X0E-00CJA0

BLACK SN7100 NVMe SSD 4TB



CPN:BLACK SN7100 NVME 4000GB M2 -
MANUFACTURER NAME: Sandisk
MANUFACTURER PART NUMBER: WDS400T4X0E-00CJA0
UPC EAN CODE: 718037902982
LANGUAGE: EN
MARKET:US

General Information:

Built for better gaming, no matter how you game.

Get ready to game even faster with the WD_BLACK SN7100 NVMe SSD, featuring up to 7,250MB/s read and 6,900MB/s write speeds(1-2TB models), providing up to a 35% performance boost over the previous generation SSD. Engineered with laptops and gaming handhelds in mind, obliterate load times and conquer your heftiest gaming sessions with improved power efficiency at maximum speed. Store more games and still have room for future updates and DLC, with capacities up to 2TB. Upgrade now and ensure you're ready for the rigors of AI applications and next generation gaming.

High-octane gaming SSD that doesn't back down

Experience an exhilarating boost you can see and feel with level-conquering speeds up to 7,250MB/s read and 6,900MB/s write (1-2TB models). The WD_BLACK SN7100 NVMe SSD boasts up to 35% faster performance than previous generation, helping you harness AI applications and take on the next wave of cutting-edge games.

Built with leading-edge tech

Equipped with a PCIeGen4 interface powered by Western Digital's next generation TLC 3D NAND, the WD_BLACK SN7100 NVMe SSD is designed to provide the speed and power efficiency serious on-the-go gamers need.

More space for favorites and new titles

Available in multiple capacities up to 2TB, the WD_BLACK SN7100 NVMe SSD gives you tons of storage for your latest games with space left over for future updates and downloadable content.

Clear that checkpoint before your battery clocks out

Built with laptops and handheld gaming devices in mind, this DRAM-less drive provides up to 100% more power efficiency at maximum speed over the previous generation.

Do more with WD_BLACK Dashboard

The downloadable WD_BLACK Dashboard (Windows® only) monitors your drive's health, performance, firmware updates, and enables Game Mode to optimize your gaming experience.

Endurance for intense workloads

Amplify your content with up to 1,200TBW endurance (2TB model) for gameplay streaming, speedrun captures, or even using the latest game engines for your own creations.

ManufacturerWestern Digital Corporation
Manufacturer Part NumberWDS400T4X0E-00CJA0
Manufacturer Website Addresshttp://www.wdc.com
Brand NameSanDisk
Product LineWD_BLACK
Product SeriesSN7100
Product ModelWDS400T4X0E-00CJA0
Product NameWD_BLACK SN7100 NVMe SSD - 4TB
Packaged Quantity1
Product TypeSolid State Drive
  Product UPC718037902982
Technical Information:
Storage Capacity4 TB
Platform SupportedPC
Drive Performance:
Random 4KB Read900000IOPS
Random 4KB Write1350000IOPS
Maximum Sequential Read6.84 GB/s
Maximum Sequential Write6.54 GB/s
Interfaces/Ports:
Drive InterfacePCI Express NVMe
Drive Interface StandardPCI Express NVMe 4.0
Physical Characteristics:
Drive TypeInternal
Form FactorM.2 2280
Height0"
Width0.9"
Length3.2"
Weight (Approximate)0.20 oz
Miscellaneous:
Operating System CompatibilityWindows 10+

What Can Your Device Hold?

Desktop HDD

1Photos based on a 10-Megapixel camera producing images 5MB in size
2Songs based on average length of 4 minutes, 4MB size
3HD video based on 720p or 1080i video
4Blu-ray HD Movie was calculated at 16.2Gb per hour recording rate

Date Inserted: Thursday June 5, 2025

This product was last updated on Sunday April 19, 2026

All products are brand new and factory sealed unless otherwise stated.
 *** Disclaimer- Information is supplied by the Manufacturer. The image, including color, may differ from actual product appearance. CompSource, Inc. is not responsible for data. ***

Questions and Answers

Questions and Answers

Ask CompSource

Shipping / Returns

Shipping

Ground = FREE
(EST. Arrival Date between Wed.Apr.22 - Mon.Apr.27)

Two Day Air = $25.00
(EST. Arrival Date on Wed.Apr.22)

Standard One Day = $35.00
(EST. Arrival Date on Tue.Apr.21 after 3PM)

Priority = $45.00
(EST. arrival Date on Tue.Apr.21 in the AM)

U.S Mail Priority (AA,AE,AP only) = $30.00

FedEx International Economy (Canada only) = $85.00

Shipping dates are best estimates based on product location and may vary with holidays.

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Returns

CompSource realizes that every product may have different return guidelines. Please see the policy below regarding this item.

This Product Has Limited Exchange Privileges.

Please call for return guidelines.

For support on this product, please contact Sandisk. 866-726-3475 www.sandisk.com


Sandisk Company's Information

Sandisk  
Click Sandisk for all products

Local #: 408-542-0500

Toll Free #: 866-726-3475

Tech Support #: 408-542-0400

Site:  www.sandisk.com

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    About Sandisk

    Why SanDisk Storage Solutions Are a Smart Choice – Available at CompSource

    About SanDisk: A Pioneer in Flash Storage

    SanDisk, a brand of Western Digital, has been a global leader in flash memory storage since its founding in 1988. Known for innovation and reliability, SanDisk has revolutionized the way we store and access digital content—from personal photos to enterprise-level data.

    What SanDisk Offers

    SanDisk provides a wide range of storage solutions for consumers, professionals, and businesses:

    • USB Flash Drives – Portable, high-speed storage for everyday use.
    • Memory Cards (SD, microSD) – Ideal for cameras, smartphones, and drones.
    • Solid State Drives (SSDs) – Fast, reliable internal and external storage for PCs and laptops.
    • Portable SSDs – Rugged, high-capacity drives for creators and professionals on the go.
    • Enterprise Solutions – Scalable flash storage for data centers and cloud infrastructure.

    Why Choose SanDisk?

    SanDisk stands out for its:

    • Proven Reliability – Trusted by millions for safe, long-term data storage.
    • Performance – Fast read/write speeds for seamless data transfer and access.
    • Innovation – Continual advancements in flash memory technology.
    • Compatibility – Works across a wide range of devices and platforms.

    Why Buy SanDisk from CompSource?

    CompSource is your trusted source for authentic SanDisk products. Here’s why customers choose us:

    • Authorized Reseller – Genuine SanDisk products with full warranty support.
    • Competitive Pricing – Great deals on the latest storage solutions.
    • Expert Support – Our team helps you find the right product for your needs.
    • Fast Shipping – Get your gear quickly and reliably.

    We want this to be as easy and stress-free as possible. CompSource is here to help with your Sandisk purchase. We're here to help you decide. Chat with us or give our professionals a quick phone call (800)-413-7361, we can assist with the best Sandisk solution for your needs and budget.

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    © 2025 CompSource, Inc. All rights reserved.


    About the Author

    Mason Maynard - Marketing Manager of CompSource

    Mason Maynard

    Mason Maynard is a people-oriented individual who finds joy in spending quality time with friends and family, valuing strong personal connections. With a strong interest in Marketing and Sales, Mason thrives on creating impactful strategies that engage audiences and drive meaningful results. Mason is passionate about innovation, business growth, and delivering top-tier customer service.

    Connect with Mason on: LinkedIn


    Learn more about Hard Drives

    Everything You Want to Know About Hard Drives.

    Understanding hard drive basics will help you make better storage decisions.

    What's a Hard Drive Do?
    A hard drive is the hardware component that stores all of your digital content. Your documents, pictures, music, videos, programs, application preferences, and operating system represent digital content stored on a hard drive. Hard drives can be external or internal.

    Everything stored on a hard drive is measured in terms of its file size. Documents (text) are generally very small whereas pictures are large, music is even larger, and videos are by far the biggest. A hard drive determines the size of digital files in terms of megabytes (MB), gigabytes (GB), and terabytes (TB).

    There are 3 major versions of hard drive technologies. All of them have pros and cons and reasons for owning each versions;

    Standard Hard Drives

      This is an older technology but has continued to evolve in speed and reliability. Basically the technology is like a record player except the platters are metal instead of vinyl and the needle is magnetic allowing you to read, write and erase. The faster the hard drive spins, or RPM, the faster the read and write happens.
      Pros -- Cheapest per GB, very reliable and easily replaceable.
      Cons -- Much slower than newer technologies.

    Solid State or SSD Drives

      Solid State is basically a form of memory that can be written to and the data will stay saved even with the power off!
      Pros -- Very Fast read/write, no moving parts so it is quiet and in theory should last longer, less heat and energy.
      Cons -- Price per GB is more expensive than Standard HDD.

    M.2 Drives

      An M.2 SSD is a solid-state drive (SSD) that conforms to a computer industry specification written for internally mounted storage expansion cards of a small form factor. Shaped like a stick of gum. Most M.2 SSDs are 80 x 22mm (L x W), but they can be shorter or longer. You can tell what size an M.2 SSD is by reading the four or five-digit number in its name: the first two numbers are its width, while the others are its length (example: M.2 Type-2280).
      Pros -- Small for factor and SPEED,!!! M.2 card can use either the existing SATA 3.0 specifications and be restricted to the 600MB/s or it could instead elect to use PCI-Express that provides a bandwidth of 1GB/s under the current PCI-Express 3.0 standards.
      Cons -- Compatibility, since this is an internal storage device your motherboard must be newer and include the proper slot(s) to accommodate this storage technology.

    Hybrid Hard Drives

      A Hybrid Hard Drive may be the best of both worlds. In a Hybrid Drive you have both SSD and Platter or Standard Hard Drives included in one device. Typically you have a smaller SSD Drive coupled with a larger HDD. You have the low price per GB of an HDD and the speed of an SSD. This type of drive is a great choice for SMB workstations all the way to gaming machines.
      Pros -- Best overall value for the dollar as well as speed ratio.
      Cons -- Can add a level of complexity to some users as you basically have 2 drives in one and will have to be aware of what drive you will save data vs programs to.

    If you have an older Computer or notebook consider the SSD option as it will make your system feel new again with this faster storage technology.

    Internal vs. External or Portable Hard Drives

    External desktop hard drives are built using a drive and require an AC adapter plugged into a power outlet. These drives are a good choice for supplementing a desktop computer or plugging into a laptop's home base, and typically can extend your need to upgrade your hard drive or more importantly it can be used as a backup drive. As the saying goes "It's not if, but when something fails!" Please Backup...



    CompSource wants this to be as easy and stress-free as possible.

    We're here to help you decide. Chat with us or give our professionals a quick phone call (800)-413-7361, we can assist with the best solution for your needs and budget.



    Site was easy to use, great search, easy check out. Met the ETA for delivery. Will use again. pkiernan
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