Sandisk

Sandisk 1TB Extreme Portable SSD, Up to 1050MB/s Read Speeds (Old Model)

Name: Sandisk 1TB Extreme Portable SSD, Up to 1050MB/s Read Speeds (Old Model)
Brand: Sandisk
SKU: B0C59G4TLQ

Status: Sandisk 1TB Extreme Portable SSD (1TB portable SSD): Unavailable on Amazon as of 2026-10-30 16:15 UTC. Lowest-priced in-stock match (same 1TB portable SSD): Sandisk 1TB Portable SSD, $184.99 on Amazon as of 2026-10-31 12:20 UTC (price may vary). eBay sellers may still list this model new or used.

What to buy instead: the Sandisk 1TB Portable SSD at $184.99 on Amazon as of 2026-10-31 12:20 UTC (price may vary). It has the same 1TB portable SSD as this listing and is the lowest of the 3 same-spec offers priced in the last 24 hours.

View Current Price — $184.99 🛒 Search eBay for this model

Bottom line: The Sandisk 1TB Extreme Portable SSD: Up to 1050MB/s read, 1000MB/s write per SanDisk internal testing; main trade-off: listed as the Old Model; newer SanDisk revisions exist.

Unavailable on Amazon as of 2026-10-30 16:15 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives with matching specs:

Same 1TB portable SSD: Sandisk 1TB Extreme Portable SSD — $223.45 on Amazon as of 2026-10-31 04:20 UTC (price may vary).

View Current Price — $223.45

Same 1TB portable SSD: Sandisk 1TB Portable SSD — $184.99 on Amazon as of 2026-10-31 12:20 UTC (price may vary).

View Current Price — $184.99

Same 1TB portable SSD: Samsung Portable SSD T7 Shield — $349.99 on Amazon as of 2026-10-31 12:20 UTC (price may vary).

View Current Price — $349.99

Original listing (currently unavailable) → Compare to similar external storage

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-30

Mike Perry — Hardware researcher since 2014. For external drives and portable storage, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ Up to 1050MB/s read, 1000MB/s write per SanDisk internal testing
✓ IP65 water and dust resistance, up from the older IP55 rating
✓ Survives drops from up to 3 meters
✓ 256-bit AES hardware encryption with password protection built in

Cons

✗ Listed as the Old Model; newer SanDisk revisions exist
✗ 1050MB/s ceiling trails USB4 and Thunderbolt portable SSDs
✗ Speeds depend on host device, so older USB ports throttle it
✗ Encryption and cleanup require the SanDisk Memory Zone app

Manufacturer description

Get NVMe solid state performance with up to 1050MB/s read and 1000MB/s write speeds in a portable, high-capacity drive(1) (Based on internal testing; performance may be lower depending on host device & other factors. 1MB=1,000,000 bytes.) Up to 3-meter drop protection and IP65 water and dust resistance mean this tough drive can take a beating(3) (Previously rated for 2-meter drop protection and IP55 rating. Now qualified for the higher, stated specs.) Use the handy carabiner loop to secure it to your belt loop or backpack for extra peace of mind.

SpecPicks Verdict

SpecPicks scored Sandisk 1TB Extreme Portable SSD using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. Sandisk's external storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How fast is the SanDisk 1TB Extreme Portable SSD?

SanDisk rates it at up to 1050MB/s read and 1000MB/s write based on internal testing. Real speeds depend on your host device and cable, and 1MB is counted as 1,000,000 bytes.

Is this SSD waterproof and drop-proof?

It carries an IP65 rating for water and dust resistance and is qualified for drops of up to 3 meters. That is an upgrade from the earlier IP55 and 2-meter ratings on prior versions.

What port does it use, and will it work with my laptop?

It connects over USB-C on a USB 3.2 Gen 2 interface. Any USB-C host works, though older or slower ports will cap throughput below the 1050MB/s figure. Check the listing for included cable details.

Can I password protect the files on this drive?

Yes. The drive includes password protection backed by 256-bit AES hardware encryption, so contents stay locked without the password. The SanDisk Memory Zone app also handles file management and freeing up space.

Why does the listing say Old Model, and is it still worth buying?

It refers to an earlier revision of the Extreme Portable line with updated firmware and macOS Monterey support. It is well proven by the platform.

Key Features

Get NVMe solid state performance with up to 1050MB/s read and 1000MB/s write speeds in a portable, high-capacity drive(1) (Based on internal testing; performance may be lower depending on host device & other factors. 1MB=1,000,000 bytes.)
Up to 3-meter drop protection and IP65 water and dust resistance mean this tough drive can take a beating(3) (Previously rated for 2-meter drop protection and IP55 rating. Now qualified for the higher, stated specs.)
Use the handy carabiner loop to secure it to your belt loop or backpack for extra peace of mind.
Help keep private content private with the included password protection featuring 256‐bit AES hardware encryption.(3)
Easily manage files and automatically free up space with the SanDisk Memory Zone app.(5)

Full Specifications

Size	1TB
Brand	Sandisk
Color	Montery
Model	SDSSDE61-1T00-G25M
Warranty	5-year limited manufacturer warranty
UnitCount	1
ReleaseDate	2023-05-22T00:00:01Z
Manufacturer	Sandisk Technologies, Inc.
ItemPartNumber	SDSSDE61-1T00-G25M

Hardware benchmark data

Ready to buy?

Amazon shows no buyable offer for Sandisk 1TB Extreme Portable SSD at the last check. The closest in-stock match with the same 1TB portable SSD is Sandisk 1TB Extreme Portable SSD. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $223.45