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What’s the difference between the Crucial X6 and SanDisk Extreme Portable V2?

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The X6 and Extreme Portable V2 are two of the more popular external solid state drives currently available.

You can check out this comparison guide at Seeking Tech to see what the differences are between these Crucial and SanDisk storage products.

Quick Summary

When compared to the Crucial X6 Portable Solid State Drive, the SanDisk Extreme Portable Solid State Drive V2 is nearly twice as fast as maximum sequential reading in the 500 GB, 1 TB and 2 TB capacities. The 4 TB Extreme Portable Solid State Drive V2 is also 31.25% faster than the X6 at maximum sequential reads.

Furthermore, the Extreme Portable V2 is also the only one of the two to support USB Type-A ports right out of the box in addition to also being the only SSD in this comparison to provide protection against dust buildup and light water splashes. Not to mention that the SanDisk product also comes with a longer warranty.

So, out of these two products, the SanDisk Extreme Portable Solid State Drive V2 is clearly the best choice.

X6 vs. Extreme Portable V2 Comparison Chart

You can take a look at a comparison table for the X6 and second version of the Extreme Portable below.

Crucial X6 Portable Solid State DriveSanDisk Extreme Portable Solid State Drive V2
What’s in the BoxCrucial X6 Portable Solid State Drive

USB Type-C to USB Type-C cable

Quick Start Guide		SanDisk Extreme Portable Solid State Drive V2

USB-C to USB-C cable

USB-C to USB-A adaptor

Safety and Warranty Guide
Dimensions69 mm x 64 mm x 11 mm101 mm x 52 mm x 9 mm
Capacity Options500 GB

1 TB

2 TB

4 TB		500 GB

1 TB

2 TB

4 TB
Model Numbers500 GB Crucial X6: CT500X6SSD9

1 TB Crucial X6: CT1000X6SSD9

2 TB Crucial X6: CT2000X6SSD9

4 TB Crucial X6: C41000X6SSD9		500 GB SanDisk Extreme Portable V2: SDSSDE61-500G-G25

1 TB SanDisk Extreme Portable V2: SDSSDE61-1T00-G25

2 TB SanDisk Extreme Portable V2: SDSSDE61-2T00-G25

4 TB SanDisk Extreme Portable V2: SDSSDE61-4T00-G25
USB Interface SpeedUSB 3.2 Gen 2 (10 Gbit/s)USB 3.2 Gen 2 (10 Gbit/s)
Maximum Sequential Read Speed500 GB Crucial X6: Up to 540 MB per second

1 TB Crucial X6: Up to 540 MB per second

2 TB Crucial X6: Up to 540 MB per second

4 TB Crucial X6: Up to 800 MB per second		500 GB Extreme Portable V2: Up to 1050 MB per second

1 TB Extreme Portable V2: Up to 1050 MB per second

2 TB Extreme Portable V2: Up to 1050 MB per second

4 TB Extreme Portable V2: Up to 1050 MB per second
Dust and Water ResistanceN/AIP55
Warranty3-year warranty5-year warranty
PricingCheck price on Amazon.(#CommissionsEarned)Check price on Amazon.(#CommissionsEarned)

What’s in the Box

You can only connect the X6 to an USB Type-C port right out of the box. With the Extreme Portable V2, you will be able to connect to USB Type-A and USB Type-C ports.

You can check out a list of the parts included inside each new retail box for both of these products below:

Crucial X6:

  • Crucial X6 Portable Solid State Drive
  • USB Type-C to USB Type-C cable
  • Quick Start Guide

Extreme Portable V2:

  • SanDisk Extreme Portable Solid State Drive V2
  • USB-C to USB-C cable
  • USB-C to USB-A adaptor
  • Safety and Warranty Guide

Dimensions

When it comes to physical size, the Crucial X6 is shaped more like a square while the SanDisk Extreme Portable V2 is shaped like an elongated rectangle.

You can find the measurements for both external SSDs below:

  • Crucial X6: 69 mm x 64 mm x 11 mm
  • SanDisk Extreme Portable V2: 101 mm x 52 mm x 9 mm

Capacity Options

When it comes to capacity options, both the solid state drives in this versus guide offer the following:

  • 500 GB
  • 1 TB
  • 2 TB
  • 4 TB

Model Numbers

You can find the model numbers attached to the X6 and Extreme Portable V2 below:

  • 500 GB Crucial X6: CT500X6SSD9
  • 1 TB Crucial X6: CT1000X6SSD9
  • 2 TB Crucial X6: CT2000X6SSD9
  • 4 TB Crucial X6: C41000X6SSD9
  • 500 GB SanDisk Extreme Portable V2: SDSSDE61-500G-G25
  • 1 TB SanDisk Extreme Portable V2: SDSSDE61-1T00-G25
  • 2 TB SanDisk Extreme Portable V2: SDSSDE61-2T00-G25
  • 4 TB SanDisk Extreme Portable V2: SDSSDE61-4T00-G25

USB Interface Speed

For the interface, the X6 and Extreme Portable Version 2 use USB 3.2 Gen 2, which provides a transfer speed of up to 10 Gbit/s.

Maximum Sequential Read Speed

The SanDisk Extreme Portable V2 has a major advantage over the Crucial X6 when it comes to maximum sequential reading speed.

When you compare the same capacity options, the 500 GB, 1 TB and 2 TB versions of the Extreme Portable V2 are 1010 MB per second faster, or 94.44% faster, than the 500 GB, 1 TB and 2 TB versions of the X6.

Furthermore, the 4 TB Extreme Portable V2 is 250 MB per second faster, or 31.25% faster, than the 4 TB Crucial X6.

You can take a look at the maximum sequential read speed specs for each capacity of both SSDs below:

  • 500 GB Crucial X6: Up to 540 MB per second
  • 1 TB Crucial X6: Up to 540 MB per second
  • 2 TB Crucial X6: Up to 540 MB per second
  • 4 TB Crucial X6: Up to 800 MB per second
  • 500 GB Extreme Portable V2: Up to 1050 MB per second
  • 1 TB Extreme Portable V2: Up to 1050 MB per second
  • 2 TB Extreme Portable V2: Up to 1050 MB per second
  • 4 TB Extreme Portable V2: Up to 1050 MB per second

Dust and Water Resistance

The Extreme Portable V2 is the only one to have received a dust and protection rating.

With an IP rating of 55, the SanDisk product is built to resist significant dust particles buildup in addition to light water splashes.

Warranty

The Crucial X6 Portable Solid State Drive comes with a 3-year warranty while the SanDisk Extreme Portable Solid State Drive V2 comes with a longer 5-year warranty.

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