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12-09-2017

DK

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Thinkpad T470P how to connect SSD and M2 drives

2017-12-09, 11:11 AM

Hi and thx for letting me join the forum :)

 

My son is considering buying a used Thinkpad T470P laptop and is having some questions.
The 470P is apparently equipped with a 256GB m.2 ssd disk mounted in the SATA slot by the M2 adapter. He is considering if it would be possible to move the M.2 to the M2/WWAN slot and putting his "old" ssd disk (2½" - 480GB) in the SATA slot.

 

1) Are there any limits regarding capacity of the Drive mounted in the M2/WWAN slot

2) Is it possible to boot from the drive in the M2/WWAN slot

3) Would there be any performance differences between having the m2 disk connected to the M2/WWAN slot versus having it connercted to the "normal" SATA slot

 

regards

Henning Lang

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12836 Posts

06-06-2011

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Re: Thinkpad T470P how to connect SSD and M2 drives

2017-12-09, 15:17 PM

Welcome to the Community

2.5" slot supports m.2 drive 22x80 mm in size (using bracket/adapter, as you noted) while the combo wwan/ssd slot supports m.2 cards 22x42 mm in size. So, it's impossible to fit current 2280 SSD to the wwan/ssd slot.

Moreover, m.2 2280 SSD in T470p is PCIe NVME drive while 2242 slot supports SATA drives only. These protocols differ.

The rest answers:
1. no
2. yes
3. yes (in theory) as the PCIe SSD is faster than the SATA III one.



x220 • Gobi 2000 3g | hdd, msata ssd, wwan, wifi, gps -- unique hand-made config
ThinkPad 25 Special Anniversary Edition. #Retro. Signed by D.Hill
T470p | X1 Carbon Gen3 | Miix 2 10" | Yoga Tablet 2-1050F (Android) + BT Keyboard
ThinkPad Stack • 2.4/5 Wireless Router, HDD 1 TB, BT Speaker, Power Bank, Mobile Projector

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3 Posts

12-09-2017

DK

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Re: Thinkpad T470P how to connect SSD and M2 drives

2017-12-10, 19:55 PM

Thanks very much for the info supplied. That clarified the whole thing much more.

 

Just another question based on the supplied info. You writes that the 2280 SSD is PCIe NVME, but isn't it connected to a SATA slot via the adapter?

 

Regards

/Henning

 

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11288 Posts

01-02-2010

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Re: Thinkpad T470P how to connect SSD and M2 drives

2017-12-10, 20:03 PM

I believe that an NVMe drive connects to the SATA slot by an adapter, but there are only 2 lines so there is no speed advantage over a SATA 2280 drive or a SATA 2.5" drive.


Rich


I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo.
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Re: Thinkpad T470P how to connect SSD and M2 drives

2017-12-10, 20:04 PM
yes, its photo is below
https://download.lenovo.com//Images/Parts/01HY319/1.jpg



x220 • Gobi 2000 3g | hdd, msata ssd, wwan, wifi, gps -- unique hand-made config
ThinkPad 25 Special Anniversary Edition. #Retro. Signed by D.Hill
T470p | X1 Carbon Gen3 | Miix 2 10" | Yoga Tablet 2-1050F (Android) + BT Keyboard
ThinkPad Stack • 2.4/5 Wireless Router, HDD 1 TB, BT Speaker, Power Bank, Mobile Projector

Do it well, worse becomes itself

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Re: Thinkpad T470P how to connect SSD and M2 drives

2017-12-10, 20:15 PM
Richard,

I agree, T470p specification mentions
"M.2 SSD / PCIe NVMe, PCIe 3.0 x 2, 16Gb/s"

I tested Samsung PM961 in T470p with Samsung' drivers using AS SSD and CrystalDiskMark. The performance exceeds the one of SATA III drives.



x220 • Gobi 2000 3g | hdd, msata ssd, wwan, wifi, gps -- unique hand-made config
ThinkPad 25 Special Anniversary Edition. #Retro. Signed by D.Hill
T470p | X1 Carbon Gen3 | Miix 2 10" | Yoga Tablet 2-1050F (Android) + BT Keyboard
ThinkPad Stack • 2.4/5 Wireless Router, HDD 1 TB, BT Speaker, Power Bank, Mobile Projector

Do it well, worse becomes itself

Communities:   English    Deutsche    Español    Portugues    Русскоязычное    Česká    Slovenská    Українська   Moto English

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1 Posts

10-18-2020

MX

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Re:Thinkpad T470P how to connect SSD and M2 drives

2020-10-18, 7:47 AM

Hi, you said "2242 slot supports SATA drives only". If he slot has just a groove (not two as the M.2 SATA) as yo can see in the image attached, according that I had read, it means that the slot is PCIe NVMe, how is that you say only support SATA? Tnks

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Re:Thinkpad T470P how to connect SSD and M2 drives

2020-10-18, 8:13 AM

A quote from the T470p specification

https://psref.lenovo.com/syspool/Sys/PDF/ThinkPad/ThinkPad_T470p/ThinkPad_T470p_Spec.PDF

 

System has one HDD slot or one M.2 2280 slot exclusively for storage 

Some: HDD / SATA 6.0Gb/s, 2.5" wide, 7mm or 9.5mm high, Active Protection System

Some: SSD / SATA 6.0Gb/s, 2.5" wide, 7mm high (e.g. xxxGB SSD) 

Some: M.2 SSD / PCIe NVMe, PCIe 3.0 x 2, 16Gb/s 

Some: 128GB M.2 SSD / SATA 6.0Gb/s, in WWAN slot as 2nd Storage, mutually exclusive with WWAN

 

Last item is wwan/ssd combo slot related.



x220 • Gobi 2000 3g | hdd, msata ssd, wwan, wifi, gps -- unique hand-made config
ThinkPad 25 Special Anniversary Edition. #Retro. Signed by D.Hill
T470p | X1 Carbon Gen3 | Miix 2 10" | Yoga Tablet 2-1050F (Android) + BT Keyboard
ThinkPad Stack • 2.4/5 Wireless Router, HDD 1 TB, BT Speaker, Power Bank, Mobile Projector

Do it well, worse becomes itself

Communities:   English    Deutsche    Español    Portugues    Русскоязычное    Česká    Slovenská    Українська   Moto English

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