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TESTED: 4TB SanDisk Extreme Pro V2 USB-C SSD
BH Photo loaned MPG the about $400 SanDisk 4TB Extreme PRO Portable SSD V2 for testing. Direct-connect to the 2022 MacBook Pro M2 Max via Thunderbolt/USB 4 port. Tests via diglloydTools DiskTester.
Consult with Lloyd to design a storage and/or backup system and/or high performance workflow.
MPG tested the 4TB Samsung T7 Shield SSD and 4TB SanDisk Extreme PRO V2 just prior to the Crucial X6, with excellent results.
With the low pricing of the Crucial X6, MPG expected to see miserable write performance (as seen with the 2TB Samsung T7 back in 2021), but like the 4TB Samsung T7 Shield, the Crucial X6 shows no sign of the 2-tier-flash write slowdown—the X6 runs at full speed for its entire capacity.
Perhaps 2021 was the year of 2-tier flash, conditions changed, and every SSD vendor upgraded its flash silently? Reader Abe H comments that his 2021 Crucial X6 also had the write-speed plunge characteristic of 2-tier flash, just like the Samsung T7 that MPG tested in 2021.
And the Crucial X6 actually outperforms its rivals on the crucial metrics of small transfer sizes. That and its price means an incredible, unbeatable value.
UPDATE: sometimes real-world behavior trumps all tests: the Crucial X6 showed severe performance slowdows (down to 45MB/sec) on a subsequent Carbon Copy Cloner clone operation of 1.2TB. Plus, it only verifies at about 2/3 of the speed of the Samsung or SanDisk.
TESTED: 4TB Crucial X6 Portable SSD USB-C SSD
Please buy using links on this site and support B&H Photo, which provided the SSDs for testing.
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$180 SAVE $105 = 36.0% Samsung 2TB T7 Shield Portable SSD (Blue) IN STOCK in Computers: Drives and Storage
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$320 SAVE $680 = 68.0% SanDisk 4TB Extreme PRO Portable SSD V2 IN STOCK in Computers: Drives and Storage
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diglloydTools disktester and its fill-volume command characterizes any SSD or hard drive.
