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Model: Crucial X10 2TB Portable SSD, Up to 2,100MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac & Android, Durable Storage for Games, Photos & Files, Blue - CT2000X10SSD9-02
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Good price for the amount of storage. But worth the obligatory mention that Thunderbolt 4 doesn't support a USB 3.2 Gen 2x2 (20Gbps) mode, so will fall back to 10Gbps, resulting in half the peak performance of this drive. USB4 has a 20Gbps mode, but the signaling is different than USB 3.2 Gen 2x2 AFAIK, so unless the host controller has done something special, is also likely going to fall back to 10Gbps mode.
TL;DR: if you want maximum performance and maximum compatibility in terms of reaching that performance across a variety of machines, a decent USB4 enclosure with a 2280 M.2 NVMe drive is going to be superior. But drives like this X10 are comparatively tiny which may be important for some. I assume the prices on these higher capacity 20Gbps drives are getting very good because host systems with at least one USB4 port are proliferating, and USB 3.2 Gen 2x2 20Gbps is getting more and more niche.
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What's the actual read/write speed if used on an M series Mac?
That's an excellent question. I'm pretty sure the maximum speed you'll out of this thing (or even an X10 Pro) is: 10Gbps. I've seen plenty of reviews of the Crucial X10 Pro where people explain that they're p*ssed off because they're not seeing >900-1,000MB/sec transfer rates.
To go any faster than that, you'll need a Thunderbolt 3 or Thunderbolt 4 drive (whether it's a DIY enclosure+NVMe drive, or something like a SanDisk Professional PRO-G40 SSD (Thunderbolt 3, 40Gbps)).
I have a Satechi "USB4 NVMe SSD Pro Enclosure". You can get ~3,000MB/sec speeds with an SN850X in that thing, for example. I also have an OWC 1M2 NMVe enclosure. I have a slower drive in mine, but there are screenshots on Amazon reviews of people getting ~3,500MB/s write and ~3,400MB/s read with a Crucial T700 4TB Gen 5 SSD in that thing.
camel says the 6tb was $139 back in may. is that accurate? should i hold for it to go lower than today?
$139.99 (May 20, 2025)
I saw that as well, but that doesn't pass the smell test because it also shows it was that price for months on end. They would have flown off the shelves.
So the X10 is newer than the X10 Pro, faster - but "some fluctuation in performance" vs. the Pro which "can handle a constant stream of data."Not confusing at all.https://dongknows.com/crucial-x10-review/
They skimped a little on the "secondary" cache (really, primary) so that a batch of files larger than a few gigabytes (say, copying 1TB of files at once) slows down to about 200 Mbps instead of 2,000 Mbps. Same problem on the X10 Pro, but a LITTLE faster because of their "secondary" cache being there. (These days, "primary" cache is not separate but allocated as part of the SSD fragmentation). The reality is that you care more about speed on the read side, than the write side: the former happens much more than the latter, and the nature of the beast is that you'll read smaller/fewer files at once, than you'll write them.
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They skimped a little on the "secondary" cache (really, primary) so that a batch of files larger than a few gigabytes (say, copying 1TB of files at once) slows down to about 200 Mbps instead of 2,000 Mbps. Same problem on the X10 Pro, but a LITTLE faster because of their "secondary" cache being there. (These days, "primary" cache is not separate but allocated as part of the SSD fragmentation). The reality is that you care more about speed on the read side, than the write side: the former happens much more than the latter, and the nature of the beast is that you'll read smaller/fewer files at once, than you'll write them.
Agree about reading smaller/fewer files, but often use these for backup and on those I do care more about the write side. And it's very annoying to see write speed dwindle to practically nothing, a small percentage of the advertised write speed, and stay there for significant portions of the backup.
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TL;DR: if you want maximum performance and maximum compatibility in terms of reaching that performance across a variety of machines, a decent USB4 enclosure with a 2280 M.2 NVMe drive is going to be superior. But drives like this X10 are comparatively tiny which may be important for some. I assume the prices on these higher capacity 20Gbps drives are getting very good because host systems with at least one USB4 port are proliferating, and USB 3.2 Gen 2x2 20Gbps is getting more and more niche.
23 Comments
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That's an excellent question. I'm pretty sure the maximum speed you'll out of this thing (or even an X10 Pro) is: 10Gbps. I've seen plenty of reviews of the Crucial X10 Pro where people explain that they're p*ssed off because they're not seeing >900-1,000MB/sec transfer rates.
To go any faster than that, you'll need a Thunderbolt 3 or Thunderbolt 4 drive (whether it's a DIY enclosure+NVMe drive, or something like a SanDisk Professional PRO-G40 SSD (Thunderbolt 3, 40Gbps)).
I have a Satechi "USB4 NVMe SSD Pro Enclosure". You can get ~3,000MB/sec speeds with an SN850X in that thing, for example. I also have an OWC 1M2 NMVe enclosure. I have a slower drive in mine, but there are screenshots on Amazon reviews of people getting ~3,500MB/s write and ~3,400MB/s read with a Crucial T700 4TB Gen 5 SSD in that thing.
https://www.reddit.com/r/DataHoar..._ext
LMGTFY, LOL.
$139.99 (May 20, 2025)
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Yep, 6tb best price
$139.99 (May 20, 2025)
I know what it says but I have a hard time believing the 6tb X10 was $139 at any point.
Not confusing at all.
https://dongknows.com/crucial-x10-review/
$139.99 (May 20, 2025)
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