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CORSAIR EX300U 1TB Portable External USB-C SSD – USB 3.2 Type-C Gen2 Connection, Plug and Play, MagSafe, Cable Included – Windows PC, macOS, iOS, iPadOS, Android – Gray

CORSAIR EX300U 1TB Portable External USB-C SSD

Bottom line: The CORSAIR EX300U 1TB Portable External USB-C SSD is a specs-and-price decision rather than a crowd-consensus one in the ssds & storage category, priced around $173.41 on Amazon as of 2026-10-07. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$173.41

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Buy on Amazon — $173.41 Compare to similar ssds & storage

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

Before you buy

  • Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

The CORSAIR EX300U uses USB Type-C 3.2 Gen 2 connections for fast, portable storage with up to 1,100MB/sec read and 1,100MB/sec write speeds. With a MagSafe-compatible magnetic ring, it conveniently attaches to your iPhone or other magnetic surface, making it the perfect SSD for mobile creatives, pros, and everyday users alike. Ready to go with plug-and-play support for Windows, macOS, iOS, iPadOS, and Android, the EX300U keeps your files safe wherever you need them. Add in versatile CORSAIR SSD Toolbox software and a three-year warranty, and you’ve got a dependable, pocket-sized drive made…

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SpecPicks Verdict

SpecPicks scored CORSAIR EX300U 1TB Portable External USB-C SSD using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Compare with similarly-priced alternatives in the ssds & storage category before committing. 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 ssds & 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.

Key Features

  • USB Type-C Portable SSD - Transfer, store, and edit large files with ease using USB Type-C 3.2 Gen 2 with up to 10Gbps bandwidth.*Performance varies by capacity. Maximum performance requires USB Type-C 3.2 Gen 2 or higher connection
  • High-Speed Performance - Move files quickly with up to 1,100MB/sec read and 1,100MB/sec write speeds for creative projects and backups.*Performance varies by capacity. Maximum performance requires USB Type-C 3.2 Gen 2 or higher connection
  • MagSafe-Compatible Magnetic Ring - Easily attaches to mobile phones or other metal surfaces for the utmost convenience, wherever you go
  • Multiplatform - Works out of the box with Windows, macOS, iOS, iPadOS, and Android OS via USB Type-C
  • Compact & Travel-Ready - Small enough to fit in your pocket and tough enough to go wherever your workflow takes you

Full Specifications

BrandCorsair
ColorGray (1TB)
MaterialPlastic
ConnectivityUSB-C
Model NumberCSSD-EX300U1TB
CompatibilityPC, Android, iOS, Mac
Built-In MediaUSB Cable
Mfr Part NumberCSSD-EX300U1TB
Hardware PlatformMac, PC
Compatible DevicesDesktop, Laptop, Smartphone, Tablet
Data Transfer Rate1100 Megabytes Per Second
Enclosure MaterialPlastic
Hardware InterfaceUSB 3.2 Gen 2, USB Type C
Warranty Description3 Year Manufacturer
Connectivity TechnologyUSB
Memory Storage Capacity1 TB
Supported Devices Quantity1
Full listing titleCORSAIR EX300U 1TB Portable External USB-C SSD – USB 3.2 Type-C Gen2 Connection, Plug and Play, MagSafe, Cable Included – Windows PC, macOS, iOS, iPadOS, Android – Gray

Ready to buy?

CORSAIR EX300U 1TB Portable External USB-C SSD – USB 3.2 Type-C Gen2 Connection, Plug and Play, MagSafe, Cable Included – Windows PC, macOS, iOS, iPadOS, Android – Gray is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $173.41

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

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CORSAIR EX300U 1TB Portable External USB-C SSD – USB 3.2 Type-C Gen2 Connection, Plug and Play, MagSafe, Cable Included – Windows PC, macOS, iOS, iPadOS, Android – Gray
$173.41
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