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If you don’t need the super-fast transfers offered by Crucial’s pricier 20Gbps X10 Pro, then the Crucial X9 Pro external SSD will save you some cash and still deliver all the everyday performance the average user needs.
Crucial X9 Pro price, design, and features
Crucial sells the X9 Pro in 1TB/$80, 2TB/$130, and 4TB/$240 capacities. That’s not the least expensive 10Gbps SSD on the market, but given superior performance, not bad pricing at all. The 20Gbps Crucial X10 Pro runs around $40 more at each capacity.
The Faster sibling
Crucial X10 Pro
Price When Reviewed:
From $119.99 | Model reviewed $169.99
The X9 Pro weighs in at a feathery 1.5 ounces and is IP55 rated. That rating indicates that it can ward off enough dust and water spray to keep on ticking. Just don’t leave it in your pocket when you go diving. Even in shallow water.
The company warranties the X9 Pro for five years, but doesn’t provide TBW (terabytes that can be written) ratings, which are often the mitigating factor in warranty claims. Lack of info or not, companies rarely if ever deny a warranty claim given reasonable use.
Crucial bundles a Type-C to Type-C cable but doesn’t include a Type-A adapter. That’s okay with 20Gbps drives such as the X10 Pro, which almost always plug into a Type-C port, but a 10Gbps drive like the X9 Pro is far more likely to be used in Type-A ports. Grab one at the checkout counter if need be.
Crucial has promised a utility for September 2023 that will allow you to lock and unlock data on the X9 Pro.
How does the Crucial X9 Pro perform?
The X9 Pro didn’t place first in the synthetic benchmarks (CrystalDiskMark 8/AS SSD), but it wasn’t far off, and led the 10Gbps pack in our real-world 48GB and 450GB transfers.
The 20Gbps is included to show what you get for the extra $40 it costs.
As you can see above, CrystalDiskMark 8 rated the X9 Pro as merely average for a 10Gbps USB SSD.
Random performance (shown below) was also rather average. The SK Hynix Beetle X31 rules in this department, which does have some effect if you’re running an operating system off the drive.
Where the X9 Pro really shone was in the 48GB transfers, easily outpacing both 10Gbps competitors. It’s not as fast as the X10 Pro, but that’s to be expected given its 20Gbps bandwidth.
The X9 Pro shaved a couple of seconds off the Beetle X31’s 450GB write time, making it the second-fastest 10Gbps USB SSD we’ve tested at this task, behind only OWC’s dual-interface (10Gbps/Thunderbolt 3) Envoy Pro FX.
Should you buy the Crucial X9 Pro?
Overall, you can’t ask much more from a 10Gbps USB SSD than you get with the Crucial X9 Pro.
The average user will be more the adequately served by this drive, which delivers good performance at a cheaper price point than the X10 Pro. We do, however, recommend the latter for video mavens and prosumers because of its significantly faster transfers. Time is money.
Jon Jacobi is a musician, former x86/6800 programmer, and long-time computer enthusiast. He writes reviews on TVs, SSDs, dash cams, remote access software, Bluetooth speakers, and sundry other consumer-tech hardware and software.