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3 Posts

09-02-2018

GB

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Perfromance of T460 with NVME drive using 01HY319 (M2 to SATA Express adapter) vs SATA SSD drive

2018-09-29, 8:07 AM

I managed to get hold of part 01HY319 for my trusty T460 and all works fine. It looks like this and converts from an NVME M.2 drive (M-key) to SATA Express connection on the motherboard.

 

 

SATA Express is only x2 PCI-E lines (rather than the x4 you get with "full" NVME support) so I was interested in performance.

 

Performance before with a 1TB Crucial MX500 SSD SATA drive was like this

 

 

Performance afterwards with the 01HY319 part and a 1TB Samsung 960 Evo NVME drive was like this

 

 

Hope this helps anyone considering the upgrade.

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6 Posts

09-08-2018

TH

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Re: Perfromance of T460 with NVME drive using 01HY319 (M2 to SATA Express adapter) vs SATA SSD drive

2018-10-27, 19:58 PM

I think SATA III interace have limit around 600MB/s.
What you get is above the limit which may effect by SAMSUNG rapid mode. Did you turn it on ?

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3 Posts

09-02-2018

GB

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Re: Perfromance of T460 with NVME drive using 01HY319 (M2 to SATA Express adapter) vs SATA SSD drive

2018-10-27, 20:56 PM

The Samsung is an NVME drive. Its performance is about right when connected via SATA Express as its only using x2 PCIE lanes.

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7898 Posts

01-13-2008

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Re: Perfromance of T460 with NVME drive using 01HY319 (M2 to SATA Express adapter) vs SATA SSD drive

2018-10-27, 22:03 PM

 wrote:

I think SATA III interace have limit around 600MB/s.
What you get is above the limit which may effect by SAMSUNG rapid mode. Did you turn it on ?


To echo what due said:  SATA and SATA Express are not the same thing.

 

https://en.wikipedia.org/wiki/SATA_Express

 

Z.


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6 Posts

09-08-2018

TH

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Re: Perfromance of T460 with NVME drive using 01HY319 (M2 to SATA Express adapter) vs SATA SSD drive

2018-10-28, 13:13 PM

I'm confuse now.
I thought the adaptor is to convert Nvme SSD to SATA. So clearly I was wrong.
Where is the SATA Express on the T460 board ? Is it WWAN slot? I read some where it doesn't support m.2 SSD in that slot.

As I say, I'm confuse. If you have some more information please share. Thank you.

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3 Posts

09-02-2018

GB

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Re: Perfromance of T460 with NVME drive using 01HY319 (M2 to SATA Express adapter) vs SATA SSD drive

2018-10-28, 13:49 PM

The SATA Express slot is the same format as the SATA slot. The are a few extra pins that sit between the usual power and signal connections (ie, for the x2 PCIE lanes). They're hard to make out. The idea being you can use the same connection for a SATA or SATA Express drive. There are very few SATA Express drives though. Hence this adapter from Lenovo, where you can attach an NVME drive to a SATA Express slot.

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