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Can I use the mSATA slot for RAID on a W520?

W500/510/520 and W700/710 series specific matters only
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Carthik
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Joined: Fri Nov 30, 2012 2:21 pm
Location: Toronto, Ontario, Canada

Can I use the mSATA slot for RAID on a W520?

#1 Post by Carthik » Tue Jan 09, 2018 12:01 pm

Might be a silly question, but with Lenovo's shenanigans can never be too sure.

Will a RAID equipped W520 motherboard support RAID on the mSATA slot without limitation?


Cheers,
ThinkPad X220
i7-2640M CPU
16GB Corsair Vengeance RAM
1TB Samsung 850 EVO mSATA SSD
2TB Samsung Sinpoint HDD
Option GTM671W WiFi/WWAN Card
LP125WH2-SLB3 LG IPS LCD
7.69Ah 9-Cell X230 44++ Battery
Windows 7 Ultimate 64 Bit

Carthik
Posts: 44
Joined: Fri Nov 30, 2012 2:21 pm
Location: Toronto, Ontario, Canada

Re: Can I use the mSATA slot for RAID on a W520?

#2 Post by Carthik » Fri Jan 12, 2018 9:45 am

Bump, nobody?
ThinkPad X220
i7-2640M CPU
16GB Corsair Vengeance RAM
1TB Samsung 850 EVO mSATA SSD
2TB Samsung Sinpoint HDD
Option GTM671W WiFi/WWAN Card
LP125WH2-SLB3 LG IPS LCD
7.69Ah 9-Cell X230 44++ Battery
Windows 7 Ultimate 64 Bit

EngineersCake
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Joined: Fri Feb 12, 2010 2:38 am
Location: San Mateo, CA USA
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Re: Can I use the mSATA slot for RAID on a W520?

#3 Post by EngineersCake » Sun Feb 04, 2018 12:45 am

That's an interesting thought.
From the cursory research I've done there won't be speed bottleneck. There can be problems with flash technology or controllers being compatible. I don't have immediate experience with laptop hardware RAIDs, but I have worked with some software raid solutions. If you do happen to get the same type of flash storage and compatible controllers in a mPCIe and a 2.5" drive form factor, you'll likely have some luck.

Another option to consider is to use both of the mPCIe slots for SSDs. That way you can rest assured that the hardware is matching. In that case you would lose the Intel wireless card, but that's what the express card/34 slot is there for. (Assuming that you haven't occupied that slot with a USB 3.0 card or something.)

I assume you're using RAID 0 for performance?
Any reason you're not just using the HDD bay and an HDD adapter in the Ultrabay Enhanced slot?

Anyhow, hope that's any amount of help.
Current Machines
ThinkPad T420s Core i7 2.8 GHz
MacBook Pro 13 Core i7 2.8 GHz
Workstation Core i7 3.2 GHz

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