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04-07-2018

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T480 dual harddisk setup mixed up straight from factory

2018-04-07, 12:20 PM

Hi,

 

I've just received my new T480 from the factory directly. Specs include a second M2 SSD of 128 Gb on top of the primary NVME SSD of 512Gb. I was expecting the primary drive to be the faster and bigger NVME drive and the secondary drive the slower and smaller M2 SSD. However, the config is the other way around, how crazy is that? No my questions for this forum are:

 

- is anyone aware if this is by design or just a mistake

- what's the best way to swap the two around, so that the NVME will be the OS and maintaining my current setup and all the partitions

 

I guess I can use some tool like Acronis (does that work with NVME?), but maybe you have a better suggestion?

 

Thanks in advance,

 

David

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176 Posts

12-06-2017

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Re: T480 dual harddisk setup mixed up straight from factory

2018-04-07, 16:27 PM

Both drives are NVMe. The Tx80 does not support SATA on the WWAN slot (where the 128GB drive sits). As such it is configured with the smaller drive as OS leaving the larger for data.

 

Now you say the 512GB is faster. How much faster, because both drives are limitted to 2 PCI lanes, around 1800/1500 r/w. Maybe the 128GB drive is slower than this, but I doubt you'll see a difference. Usually its hard to notice a difference between SATA (550/530) and NVMe (3000/1800).

 

The assumption is that since you went with 2 drives, you need a fast drive for your data (read/write large files) and that's why they are set up the way the are. 

 

I'd leave them as it is, but it's up to you. You can always re-install windows in the larger drive (download the recovery from lenovo), it might be easier than cloning.

Thinkpad T480s, Thinkpad T460p
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Re: T480 dual harddisk setup mixed up straight from factory

2018-04-07, 16:32 PM
Thanks for your reply... I will definitely do a speedtest, I just assumed the 128Gb was on the SATA bus as. But you know... assumption is...

Rgds,

David
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Re: T480 dual harddisk setup mixed up straight from factory

2018-04-07, 16:40 PM

... well, I think it's cloning time... looks like the 512Gb drive IS faster (about 3x)

 

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Re: T480 dual harddisk setup mixed up straight from factory

2018-04-07, 16:46 PM

Both drives are very fast. You will not notice a difference if you swap the location of OS. It's not like when we had an SSD for the OS and an HDD for data, as the 128GB is plenty fast for the OS with very little room for improvement. 

 

At the same time, your data files, if they are not statice (that is if you keep read/writing files all the time) will benefit from the fast 512GB drive. 

 

Finally, if you move the OS on the 512, what will you use the 128 for? Partial data? 

I'd be happy with the current layout.

 

As for cloning, I use mini partition wizart (free). 

Thinkpad T480s, Thinkpad T460p
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Re: T480 dual harddisk setup mixed up straight from factory

2018-04-07, 17:05 PM

Thanks again for your thoughts... I haven't decided yet and yes both drives are fast. On my previous laptop I used a secondary drive for storing data such as iso's and VMs (work related stuff). That disc was larger than 128Gb so yeah maybe the current config is worth the diference in speed. Especially when I run the VM's...

 

I'll think about it and read up some more... 

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Re: T480 dual harddisk setup mixed up straight from factory

2018-04-07, 17:11 PM
Enjoy your laptop.
Thinkpad T480s, Thinkpad T460p
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