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soko11
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Posts: 126
Registered: ‎05-18-2011
Location: Austria
Views: 7,419
Message 31 of 37

Re: W540 -- mSATA as boot disk?

So why you say no???
I'm kinda confused...
If the W540 supports a WWAN OR a m.2SSD, but not both at the same time its like with my W520, isn't it?
W520 (4282-W17 i7-2820QM 32GB 2xSSD 1TB)| T62p | T41p
fleche
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Posts: 55
Registered: ‎10-30-2009
Location: US
Views: 7,416
Message 32 of 37

Re: W540 -- mSATA as boot disk?

Sorry, I misread your post.
So yes, it is the same as W520, you can have either WWAN or a SSD in that slot, but not both.
soko11
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Posts: 126
Registered: ‎05-18-2011
Location: Austria
Views: 7,409
Message 33 of 37

Re: W540 -- mSATA as boot disk?

No worries.
Or it seems you can have two m.2SSDs. But than you have neither WWAN nor WLAN Smiley Happy
W520 (4282-W17 i7-2820QM 32GB 2xSSD 1TB)| T62p | T41p
vicamaro
Paper Tape
Posts: 1
Registered: ‎12-28-2013
Location: USA
Views: 6,830
Message 34 of 37

Re: W540 -- mSATA as boot disk?

There is anyone who actualjly did implement the use of the m2. or NGFF as boot disk?
I'm thinking about to dismiss the optical unity and get a regular ssd + adapter instead of trying boot with the m2 simply for two reasons:
1- The maximum size (capacity) for a m2 is 128GB (it is too small for an operational system, more than one forget about);
2- It's out of the scope of the project, it's not guaranteed by the support service and not supported by the documentation.
So, forgive me if I'm saying bull**bleep**. I would love if some one could make it more clear with specific details and/or precise information.

Peace and grace!

Guru
Posts: 976
Registered: ‎11-04-2009
Location: US
Views: 6,456
Message 35 of 37

Re: W540 -- mSATA as boot disk?

While its not an M.2, I am running my W530s OS from a 128GB SSD, and have all of my software and data on a 500GB drive in the primary drive bay.  I decreased the size of my pagefile and hiberfile, as well as relocated any folder that could be moved.


Just a volunteer. Please post your questions in the forum, as I will not reply if they are sent in a personal message.

W530(2436): i7-3720QM, HD4000 + K2000M, 32GB RAM, 1TB, 750GB Ultrabay, 250GB mSATA , Ubuntu 18.04
Yoga 14(20FY): i5-6200U, HD 520 + 940M, 8GB RAM, 256GB SSD, Ubuntu 18.04
Yoga Home 900(27ibu): i7-5500, HD5500 + 940A, 8GB RAM, 500GB HDD, Windows Insider Fast
X1 Tablet (20GH): m7-6Y75, 16GB RAM , 256GB NVMe , Intel® HD Graphics 515
Legion Y530(15ICH): i7-8750H, 32GB RAM, 512GB NVMe + 500GB SSD, UHD 630 + 1050Ti
fleche
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Posts: 55
Registered: ‎10-30-2009
Location: US
Views: 6,259
Message 36 of 37

Re: W540 -- mSATA as boot disk?

A 256GB M.2 2242 SSD was just annouced, to be released in Juy/Aug time frame.

 

http://www.thessdreview.com/daily-news/latest-buzz/mydigitalssd-announces-worlds-first-256gb-sata-m-...

wolfindersteppe
802.11n
Posts: 236
Registered: ‎06-25-2011
Location: Vienna
Views: 6,175
Message 37 of 37

Re: W540 -- mSATA as boot disk?

I have received my Transcend MTS400 256GB, M.2 2242 (TS256GMTS400) on Friday June 20th 2014 from this local dealer in Austria, http://shop.ba-computer.at/catalog/product/view/id/1056954.

Windows 8.1 EE x64-bit installed and configured, here are the benchmarks.

as-ssd-bench I/O per s

 

as-ssd-bench MB/s

 

samsung-magician MB/s

 

The Transend M.2 2242 is behaving as designed, with the lower write speed as stated in spec sheet. The W540 is feeling faster and snapier than my old W520 with mSATA Samsung 840 Evo 1TB, IMO because of higher read speed which is more important for OS disk (mSATA connection on W520 is only SATA2 / 3GB/s speed).

My conclusion - if you can wait either for higher capacity M.2 2242 with faster read speed or hoping for W550 refreshment where Lenovo should make a bold movement and offer M.2 PCIe connection, that do so. Otherwise, the current highest capacity M.2 SSD with 256GB from Transend works as designed and has enough space for holding the OS; it is good if you mostly relay on read-only operations, if you need high-speed write operations than you have either to invest in further SATA3 SSDs like I did or wait for faster read-write M.2 SSDs to come or future W550 or some other proposals?

ThinkPad W540 Tripple SSD Configuration.png

ThinkPad W520, i7-2820 CPU, 32GB RAM, NVidia Quadro 2000M 2GB GPU , mSATA Samsung Evo 840 1TB + 2x Samsung SSD EVO 840 1TB & Lenovo Helix i7 8GB RAM & ThinkPad W540, i7-4800MQ, 32 GB RAM, NVidia Quadro K1100M, OS on M.2 2242 Transcend MTS400 256GB + 2x Samsung SSD EVO 840 1TB

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