Overview
Specifications
Resources
Disclosures
.product-img-carousel .splide__slide{ background-color: #f7f7f7!important; } .splide--nav>.splide__slider>.splide__track>.splide__list>.splide__slide.is-active, .splide--nav>.splide__track>.splide__list>.splide__slide.is-active{ border:none; } .slide-elements{ max-height:0; transition: all 0.6s ease-in-out; } .accordion-open .slide-elements{ max-height:1900px; } #thumbnail-slider .splide__slide button { width:100%; height:100%; } product-bg-image { background-size:cover; background-position: center; background-repeat: no-repeat; } .product-image-thumbnail { background-position: center center; background-size: contain; background-repeat: no-repeat; } .webp .splide__slide.is-active ._SDSSDT40-4T00-EM25-featuredAssets-bg-img-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature1.jpg.wdthumb.1280.1280.webp); } .jpg .splide__slide.is-active ._SDSSDT40-4T00-EM25-featuredAssets-bg-img-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature1.jpg.wdthumb.1280.1280.jpg); } .no-webp .splide__slide.is-active ._SDSSDT40-4T00-EM25-featuredAssets-bg-img-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature1.jpg.thumb.1280.1280.png); } .webp ._SDSSDT40-4T00-EM25-featuredAssets-thumbnail-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature1.jpg.wdthumb.319.319.webp); } .jpg ._SDSSDT40-4T00-EM25-featuredAssets-thumbnail-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature1.jpg.wdthumb.319.319.jpg); } .no-webp ._SDSSDT40-4T00-EM25-featuredAssets-thumbnail-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature1.jpg.thumb.319.319.png); } .webp .splide__slide.is-active ._SDSSDT40-4T00-EM25-featuredAssets-bg-img-1{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature2.jpg.wdthumb.1280.1280.webp); } .jpg .splide__slide.is-active ._SDSSDT40-4T00-EM25-featuredAssets-bg-img-1{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature2.jpg.wdthumb.1280.1280.jpg); } .no-webp .splide__slide.is-active ._SDSSDT40-4T00-EM25-featuredAssets-bg-img-1{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature2.jpg.thumb.1280.1280.png); } .webp ._SDSSDT40-4T00-EM25-featuredAssets-thumbnail-1{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature2.jpg.wdthumb.319.319.webp); } .jpg ._SDSSDT40-4T00-EM25-featuredAssets-thumbnail-1{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature2.jpg.wdthumb.319.319.jpg); } .no-webp ._SDSSDT40-4T00-EM25-featuredAssets-thumbnail-1{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature2.jpg.thumb.319.319.png); } .webp .splide__slide.is-active ._SDSSDT40-4T00-EM25-featuredAssets-bg-img-2{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature3.jpg.wdthumb.1280.1280.webp); } .jpg .splide__slide.is-active ._SDSSDT40-4T00-EM25-featuredAssets-bg-img-2{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature3.jpg.wdthumb.1280.1280.jpg); } .no-webp .splide__slide.is-active ._SDSSDT40-4T00-EM25-featuredAssets-bg-img-2{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature3.jpg.thumb.1280.1280.png); } .webp ._SDSSDT40-4T00-EM25-featuredAssets-thumbnail-2{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature3.jpg.wdthumb.319.319.webp); } .jpg ._SDSSDT40-4T00-EM25-featuredAssets-thumbnail-2{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature3.jpg.wdthumb.319.319.jpg); } .no-webp ._SDSSDT40-4T00-EM25-featuredAssets-thumbnail-2{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature3.jpg.thumb.319.319.png); } .webp .splide__slide.is-active ._SDSSDT40-4T00-EM25-video-bg-img-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-video.jpg.wdthumb.1280.1280.webp); } .jpg .splide__slide.is-active ._SDSSDT40-4T00-EM25-video-bg-img-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-video.jpg.wdthumb.1280.1280.jpg); } .no-webp .splide__slide.is-active ._SDSSDT40-4T00-EM25-video-bg-img-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-video.jpg.thumb.1280.1280.png); } .webp ._SDSSDT40-4T00-EM25-video-thumbnail-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-video.jpg.wdthumb.319.319.webp); } .jpg ._SDSSDT40-4T00-EM25-video-thumbnail-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-video.jpg.wdthumb.319.319.jpg); } .no-webp ._SDSSDT40-4T00-EM25-video-thumbnail-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-video.jpg.thumb.319.319.png); } .webp .splide__slide.is-active ._SDSSDT40-8T00-EM25-featuredAssets-bg-img-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature1.jpg.wdthumb.1280.1280.webp); } .jpg .splide__slide.is-active ._SDSSDT40-8T00-EM25-featuredAssets-bg-img-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature1.jpg.wdthumb.1280.1280.jpg); } .no-webp .splide__slide.is-active ._SDSSDT40-8T00-EM25-featuredAssets-bg-img-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature1.jpg.thumb.1280.1280.png); } .webp ._SDSSDT40-8T00-EM25-featuredAssets-thumbnail-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature1.jpg.wdthumb.319.319.webp); } .jpg ._SDSSDT40-8T00-EM25-featuredAssets-thumbnail-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature1.jpg.wdthumb.319.319.jpg); } .no-webp ._SDSSDT40-8T00-EM25-featuredAssets-thumbnail-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature1.jpg.thumb.319.319.png); } .webp .splide__slide.is-active ._SDSSDT40-8T00-EM25-featuredAssets-bg-img-1{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature2.jpg.wdthumb.1280.1280.webp); } .jpg .splide__slide.is-active ._SDSSDT40-8T00-EM25-featuredAssets-bg-img-1{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature2.jpg.wdthumb.1280.1280.jpg); } .no-webp .splide__slide.is-active ._SDSSDT40-8T00-EM25-featuredAssets-bg-img-1{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature2.jpg.thumb.1280.1280.png); } .webp ._SDSSDT40-8T00-EM25-featuredAssets-thumbnail-1{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature2.jpg.wdthumb.319.319.webp); } .jpg ._SDSSDT40-8T00-EM25-featuredAssets-thumbnail-1{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature2.jpg.wdthumb.319.319.jpg); } .no-webp ._SDSSDT40-8T00-EM25-featuredAssets-thumbnail-1{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature2.jpg.thumb.319.319.png); } .webp .splide__slide.is-active ._SDSSDT40-8T00-EM25-featuredAssets-bg-img-2{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature3.jpg.wdthumb.1280.1280.webp); } .jpg .splide__slide.is-active ._SDSSDT40-8T00-EM25-featuredAssets-bg-img-2{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature3.jpg.wdthumb.1280.1280.jpg); } .no-webp .splide__slide.is-active ._SDSSDT40-8T00-EM25-featuredAssets-bg-img-2{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature3.jpg.thumb.1280.1280.png); } .webp ._SDSSDT40-8T00-EM25-featuredAssets-thumbnail-2{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature3.jpg.wdthumb.319.319.webp); } .jpg ._SDSSDT40-8T00-EM25-featuredAssets-thumbnail-2{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature3.jpg.wdthumb.319.319.jpg); } .no-webp ._SDSSDT40-8T00-EM25-featuredAssets-thumbnail-2{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-feature3.jpg.thumb.319.319.png); } .webp .splide__slide.is-active ._SDSSDT40-8T00-EM25-video-bg-img-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-video.jpg.wdthumb.1280.1280.webp); } .jpg .splide__slide.is-active ._SDSSDT40-8T00-EM25-video-bg-img-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-video.jpg.wdthumb.1280.1280.jpg); } .no-webp .splide__slide.is-active ._SDSSDT40-8T00-EM25-video-bg-img-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-video.jpg.thumb.1280.1280.png); } .webp ._SDSSDT40-8T00-EM25-video-thumbnail-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-video.jpg.wdthumb.319.319.webp); } .jpg ._SDSSDT40-8T00-EM25-video-thumbnail-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-video.jpg.wdthumb.319.319.jpg); } .no-webp ._SDSSDT40-8T00-EM25-video-thumbnail-0{ background-image: url(/content/dam/store/en-us/assets/products/desktop/sandisk-desk-drive-desktop-ssd/featured/sandisk-desk-drive-desktop-ssd-video.jpg.thumb.319.319.png); }
Part#: {{currentSku}}

SanDisk Desk Drive
from SanDisk

Pro Rewards members earn {{loyaltyPoints}} points per unit.​
  • {{volumePrice.minQuantity}}+ {{volumePrice.amountFormatted}} /Ea.
  • {{inventory.prices.maxQuantity}}+ Request A Quote

{{formatPrice(inventory.prices.list.amount, inventory.prices.list.currency)}}

{{formatPrice(inventory.prices.list.amount, inventory.prices.list.currency)}}

{{formatPrice(inventory.prices.sale.amount, inventory.prices.sale.currency)}}

Request A Quote
Availability :

{{customPromotionInfo.ctaLabel}} {{customPromotionInfo.ctaLabel}}

{{formatPrice(inventory.prices.list.amount, inventory.prices.list.currency)}}

{{formatPrice(inventory.prices.list.amount, inventory.prices.list.currency)}}

{{formatPrice(inventory.prices.sale.amount, inventory.prices.sale.currency)}} / {{inventory.prices.sale.billingPlanName}}

Request A Quote
In Stock: {{inventory.stockLevel}} Please enter a valid number Requested product quantity is unavailabe

{{customPromotionInfo.ctaLabel}} {{customPromotionInfo.ctaLabel}}

Request A Quote

Field cannot be empty.
Field cannot be empty.
Field cannot be empty.
Field can only contain numbers.
form.store-form .input input[type=date]:before { margin-right: 0; top: auto; }
This form is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Price {{inventory.prices.list.amountFormatted}}

Actual Price {{inventory.prices.list.amountFormatted}}

Offer Price {{inventory.prices.sale.amountFormatted}}

Availability :

{{customPromotionInfo.ctaLabel}} {{customPromotionInfo.ctaLabel}}

30-Day Money-Back Guarantee

|
Help Protect Your Content
Data Recovery provided by experts in the event of unexpected data loss.
MSRP

Price {{inventory.prices.list.amountFormatted}}

Actual Price {{inventory.prices.list.amountFormatted}}

Offer Price {{inventory.prices.sale.amountFormatted}} / {{inventory.prices.sale.billingPlanName}}

Lowest Price in last 30 days: {{inventory.prices.lowest.amountFormatted}}

Availability :
Please enter a valid number

{{customPromotionInfo.ctaLabel}} {{customPromotionInfo.ctaLabel}}

30-Day Money-Back Guarantee

|

The space you need — with revolutionary speed.

Introducing the SanDisk Desk Drive — a complete desktop backup solution now up to 4x faster than a desktop HDD5. It’s the perfect home base to quickly back up your favorite and important content. An immense capacity of up to 8 TB1 will easily hold your photos, videos, music, and important documents, and read speeds up to 1000 MB/s2 will help you access everything fast. With a compact design that fits naturally into any workspace, this drive helps protect your content — all in one place.

Product Details

Your content in one place
Designed to stay on your desk while you back up your files, so you’ll know your content is easily within reach.

Immense capacity for your file library
With up to 8 TB1 of storage, you’re free to expand your photo and video collection, music library, and important documents.

Modest in size. Mighty in performance
Maximize your desk space while accessing your content up to 4x faster than a desktop HDD5 with read speeds up to 1000 MB/s2.

Plug in and get started
Get up and running quickly and easily on Windows® or Mac out of the box with exFAT formatting, using the USB Type-C™ cable.

Back up more. Back up faster.
The SanDisk® Desk Drive SSD works perfectly with Apple Time Machine on your Mac right out of the box.  Or use the downloadable Acronis® True Image™ for Western Digital backup software3 and set your system to automatically back up your most important files and folders, so you know you'll effortlessly have a second copy of your favorite content.

From a brand professionals trust
For years, you have chosen us to support your brilliance, and we’re determined to continue providing what you need to thrive. That’s why we offer a 3-year limited warranty4 with your purchase.

Full Specifications

Features
  • Access your content faster, even the heaviest files like videos, with read speeds up to 1000MB/s
  • Quickly back up your files with SSD technology, and make backups automatic with included software
  • Maximize your desk space with a compact design that will feel natural in any work setting 
Capacity
4 TB
Connector
  • USB-C
  • Power Supply
Compatibility
  • Windows® 10+
  • macOS 14+
  • Note: Formatted with exFAT for compatibility
Sequential Read Performance
1000MB/s
Sequential Write Performance
900MB/s
Interface
USB 3.2 Gen 2
In The Box
  • SanDisk Desk Drive
  • USB-C Cable
  • USB-C to USB-A Cable
  • AC Power Adapter
Warranty
3-Year Limited Warranty
Dimensions (L x W x H)
99.2mm x 99.2mm x 40.2mm
Weight
268gms
Model Number
SDSSDT40-4T00-EM25
Operating Temperature
0°C to 35°C
Non-Operating Temperature
-20°C to 60°C
.slide-elements{ max-height:0; transition: all 0.6s ease-in-out; } .accordion-open .slide-elements{ max-height:1900px; margin-bottom:22px; } .pts-accordion-btn:after { content: ''; background: white; height: 10px; width: 22px; position: absolute; }

Product Numbers

Resources

Download Data Sheet
EU Declaration of Conformity

Ratings & Reviews

Disclosures

  1. 1 TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment.
  2. Up to 1000 MB/s read speeds. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions, and other factors. 1MB=1,000,000 bytes.
  3. Download and installation required. Terms and conditions apply. User account registration may be required.
  4. See www.sandisk.com/wug for details.
  5. Based on internal testing against the 8TB WD My Book desktop HDD.

  6. Western Digital, the Western Digital design, the Western Digital logo, SanDisk and the SanDisk logo are registered trademarks or trademarks of Western Digital Corporation or its affiliates in the US and/or other countries. USB Type-C is a trademark of the USB Implementers Forum. Windows is a trademark of the Microsoft Corporation. Mac and Apple Time Machine are trademarks of Apple Inc. Acronis and True Image are registered trademarks or trademarks of Acronis International GmbH and or its affiliates in the United States and other countries. All other marks are the property of their respective owners. Product specifications subject to change without notice. 

Compare