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Micron Crucial X6 Portable SSD Gets 4TB Capacity and Faster Speed

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As an answer to Western Digital’s recent move to increase portable SSD capacities to 4TB across the board earlier this year, Micron today announced a significant upgrade of its own.

New Crucial X6: Faster speed, double the storage space

Indeed, the company unveiled a new version of the Crucial X6 that now has the top capacity doubled to 4TB. And there’s more. The new version has a significant boost in performance, too, now rated at 800MB/s of reading speeds, up from 540MB/s of existing capacities.

Other than the 4TB, Micron also releases a 500GB option to give consumers more choices. The chart below shows the complete lineup of the Crucial X6.

Crucial X6 Portable SSD
Capacity500GB, 1TB, 2TB, 4TB
Memory TypeMicron 3D NAND
Product ColorBlack
Dimensions0.43 x 2.71 x 2.52 in
(10.92 x 68.83 x 64 mm)
Weight500GB: 1.39 oz (39.5 gram)
1TB and 2TB: 1.41 oz (40 gram)
4TB: 1.43 oz (40.5 gram)
Copy Speed500GB, 1TB, and 2TB: Up to 540MB/s
4TB: Up to 800MB/s
InterfaceUSB 3.2 Gen 2 Type-C (10Gb/s)
Backward CompatiblityUSB 3.2 Gen1 (formerly USB 3.0) (5Gb/s), USB 2.0
Non-operating Shock ResistanceExposure up to 1500 G/s for 0.5ms
Drop ResistanceUp to 6.5 ft (2 m) on carpeted concret surface
Power UsageUSB Bus Powered (minimum 5V 1.5A required)
Package ContentCrucial X6 Portable SSD / USB-C Cable 
Warranty3-year limited warranty
Suggested Price$154.95  (1TB), $284.95 (2TB)
Crucial X6’s hardware specifications

Pricing and availablity

Micron says the new capacities (500GB and 4TB) are available immediately which cost $69.96 and $489.95, respectively.

Other than the storage space (and the 4TB’s improved performance), the new drives are essentially the same as the 1TB and 2TB versions that I already reviewed.

Overall, the X6 is an excellent little portable device you can use for mobile storage, backup purposes, or as fast storage for game consoles. For more, check out the in-depth review below.

Crucial X6 1
The Crucial X6 Portable SSD is quite tiny.

Crucial X6 Portable SSD's Rating

8.6 out of 10
Crucial X6 3
8.5 out of 10
7.5 out of 10
Design and Setup
9.5 out of 10
9 out of 10


Fast performance

Super-compact yet rugged, beautiful design



Comparatively low perform cap

No USB-A converter or cable included

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