Crucial X10 Pro 4TB Portable SSD vs SanDisk Extreme Portable SSD

Researched, not hands-on tested.How we review ›

all judged against External SSDs at a similar price

The SanDisk Extreme Portable SSD scores 7.3/10 overall, ahead of the Crucial X10 Pro 4TB Portable SSD at 6.7/10.

The Crucial X10 Pro 4TB Portable SSD leads on compatibility.

The SanDisk Extreme Portable SSD leads on build and ruggedness, security and warranty.

They score the same on speed.

The biggest difference is warranty, where the SanDisk Extreme Portable SSD scores 8/10 to the Crucial X10 Pro 4TB Portable SSD's 5/10.

Crucial X10 Pro 4TB Portable SSD

6.7/10verdict: buy

The Crucial X10 Pro 4TB is for people who move large files regularly and have a USB 3.2 Gen 2x2 port to use it with. It suits buyers who want a small drive with hardware encryption and IP55 protection. Buyers without a matching port, or who put data integrity first, should weigh the owner reports before buying.

Typically about £449.99 in the UK when we researched itCheck price at Amazon UK

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SanDisk Extreme Portable SSD

7.3/10verdict: buy

This is a portable USB-C SSD for people who carry large files between machines and want a rugged, password-protected drive. It suits photographers, video editors and travellers who value the listed IP65 and 3 m drop figures on the V3. Buyers must confirm which generation they are getting, because speed, ratings and OS support differ between V2 and V3.

Typically about £149 in the UK when we researched itCheck price at Amazon UK

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Scores, criterion by criterion

Criterion	Weight	Crucial X10 Pro 4TB Portable SSD	SanDisk Extreme Portable SSD
Speed	30%	7/10	7/10
Build and ruggedness	20%	7/10	8/10
Compatibility	20%	7/10	6/10
Security	15%	7/10	8/10
Warranty	15%	5/10	8/10
Overall		6.7/10	7.3/10

Specifications

Spec	Crucial X10 Pro 4TB Portable SSD	SanDisk Extreme Portable SSD
Capacity	4TB	2TB
Interface	USB 3.2 Gen 2x2 (20Gbps) over USB-C	USB Type-C (V3); V2 is listed as USB 3.2 Gen 2. The V3 Gen level is not stated in the sources read.
Sequential read	2,100MB/s	V3: up to 2000MB/s. V2: up to 1050MB/s.
Sequential write	2,000MB/s	V2 2TB: up to 1000MB/s. V3 2TB not confirmed.
Drop and water rating	IP55 water and dust resistance; drop resistance to 2 metres (manufacturer figure)	V3: up to 3 m drop protection and IP65 water and dust resistance. V2 conflicting: IP55 and 2 m drop (Micro Center) versus IP65 and 3 m (Best Buy).
Encryption	256-bit AES hardware encryption	Password protection with built-in 256-bit AES encryption
Warranty	not listed	5-year limited warranty

Strengths and weaknesses

Crucial X10 Pro 4TB Portable SSD

+ 2,100MB/s read and 2,000MB/s write over USB 3.2 Gen 2x2
+ 256-bit AES hardware encryption
+ IP55 dust and water resistance, 2m drop rating
− Speed roughly halves on most ports, including Thunderbolt 4
− Owners report drives that stopped mounting
− Owners report heat peaking at 42°C

Skip it if:

Buyers whose computers lack a USB 3.2 Gen 2x2 port
Anyone who puts low price first, given owner complaints about cost
Users who will store irreplaceable data with no second backup

Read the full Crucial X10 Pro 4TB Portable SSD review ›

SanDisk Extreme Portable SSD

+ V3 lists up to 2000MB/s read speed
+ IP65 and 3 m drop protection on V3
+ 256-bit AES password protection and a 5-year warranty
− Owners report warmth during large transfers and some drive failures
− V3 write speed and USB Gen level are not stated

Skip it if:

Buyers who need confirmed Linux or games console support
Anyone who needs a confirmed V3 write speed before buying

Read the full SanDisk Extreme Portable SSD review ›

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