Technical Snapshot

The SanDisk Desk Drive 4TB Portable SSD is a portable external solid state drive built with TLC flash and a USB 3.2 Gen 2 (10Gbps) interface. It delivers sequential read speeds Up to 1,000 MB/s and sequential write speeds Up to 900 MB/s. The drive offers 4TB of storage, backed by a 3 years warranty. Part of WD's Desk Drive product line, this drive targets mobile professionals, photographers, and content creators needing fast portable storage.

Use Case: Portable storage, file transfers, mobile content creation
Compatibility: USB-enabled PCs, Macs, and gaming consoles
Category: Portable External SSD — WD Desk Drive

WD SSD

WD Desk Drive

SanDisk Desk Drive 4TB Portable SSD

Name: SanDisk Desk Drive 4TB Portable SSD
Brand: WD
SKU: SDSSDT40-4T00-EM25

USB 3.2 Gen 2 (10Gbps) · Desktop · TLC · Up to 1,000 MB/s Read

Capacity 4TB

Seq Read Up to 1,000 MB/s

Seq Write Up to 900 MB/s

Interface USB 3.2 Gen 2 (10Gbps)

MPNSDSSDT40-4T00-EM25

EAN0619659207816

CategorySolid State Drives

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Interface & Transfer Speed

Form FactorDesktop

InterfaceUSB 3.2 Gen 2 (10Gbps)

Sequential ReadUp to 1,000 MB/s

Sequential WriteUp to 900 MB/s

NAND TypeTLC

Warranty3 years

Full Specifications

Data sourced from WD product specifications

Storage
Product Line	Desk Drive
Capacity	4TB
Form Factor	Desktop
Interface	USB 3.2 Gen 2 (10Gbps)
NAND Type	TLC
Performance
Sequential Read	Up to 1,000 MB/s
Sequential Write	Up to 900 MB/s
Endurance & Reliability
Warranty	3 years
Product
Brand	WD
MPN	SDSSDT40-4T00-EM25
EAN	0619659207816
Physical
Weight	0.546 kg

Support & Downloads

SanDisk Desk Drive 4TB Portable SSD Firmware UpdateLatest firmware · Check WD support

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SanDisk Desk Drive 4TB Portable SSD DatasheetPDF · Technical specifications

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Frequently Asked Questions

What devices is the SanDisk Desk Drive 4TB Portable compatible with?

The SanDisk Desk Drive 4TB Portable SSD connects via USB 3.2 Gen 2 (10Gbps) and is compatible with Windows PCs, Macs, gaming consoles (PS5, Xbox), and other USB-enabled devices. No additional drivers are needed for most operating systems.

Is the SanDisk Desk Drive 4TB Portable fast enough for video editing?

The SanDisk Desk Drive 4TB Portable SSD delivers Up to 1,000 MB/s sequential read and Up to 900 MB/s write performance. This is sufficient for editing 4K video directly from the drive.

How fast is the SanDisk Desk Drive 4TB Portable?

The SanDisk Desk Drive 4TB Portable SSD delivers Up to 1,000 MB/s sequential read and Up to 900 MB/s sequential write speeds.

What type of NAND does the SanDisk Desk Drive 4TB Portable use?

The SanDisk Desk Drive 4TB Portable SSD uses TLC flash memory with 4TB storage capacity. TLC NAND offers a good balance of performance, endurance, and cost.

What warranty does the SanDisk Desk Drive 4TB Portable come with?

The SanDisk Desk Drive 4TB Portable SSD comes with a 3 years warranty.

JSON-LD Structured Data — Product + FAQ + Breadcrumb

Product: SanDisk Desk Drive 4TB Portable SSD
MPN: SDSSDT40-4T00-EM25
Schemas: Product + BreadcrumbList + FAQPage
Properties: 8 additionalProperty entries
Related: 4 isRelatedTo links