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In House Review - SanDisk Ultra Plus 256GB Solid State Drive

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In House Review - SanDisk Ultra Plus 256GB Solid State Drive

Postby Ian on Thu Feb 21, 2013 9:27 am

CDRLabs has taken an in depth look at SanDisk's new Ultra Plus SSD. This new consumer-oriented SSD is powered by Marvell's 88SS9175 controller chip and is equipped with SanDisk's own 19nm eX2 ABL MLC NAND to deliver up to 530MB/s read and 4450MB/s write speeds. The Ultra Plus also packs 128MB of DRAM cache and offers features like TRIM support, dynamic wear-leveling, background garbage collection and SanDisk's nCache technology which uses a large non-volatile SLC cache to improve random write performance.

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SanDisk Ultra Plus 256GB Solid State Drive
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Re: In House Review - SanDisk Ultra Plus 256GB Solid State D

Postby Scour on Fri Feb 22, 2013 6:44 pm

Nice :)

Comes close to my M5S, except the weak GC

But If you use a TRIM-able OS you can live with that.

I think it´s good bang for the buck atm

I have some Sandisk-SSDs which are not the fastest but reliable and have low power consumption, works flawless in external enclosures
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Re: In House Review - SanDisk Ultra Plus 256GB Solid State D

Postby Ian on Fri Feb 22, 2013 7:45 pm

I think the big issue here is that it has only four channels. Even with stuff like nCache you can only pump so much data through that many channels. Same goes for TRIM and GC. For the average consumer though, its more than enough.
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Re: In House Review - SanDisk Ultra Plus 256GB Solid State D

Postby Scour on Sat Feb 23, 2013 4:49 am

I still wonder howit can get such good sequential write with only 4 channels
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Re: In House Review - SanDisk Ultra Plus 256GB Solid State D

Postby Ian on Mon Feb 25, 2013 10:39 am

I think much of it has to do with nCache. With smaller blocks, its able to cache them quickly, but as the block size increases, it can't and its writing speed drops.

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Re: In House Review - SanDisk Ultra Plus 256GB Solid State D

Postby Scour on Mon Feb 25, 2013 1:56 pm

It drops down but still it´s good ;)

Would it prefer over SSD 840
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Re: In House Review - SanDisk Ultra Plus 256GB Solid State D

Postby Scour on Tue May 28, 2013 3:53 am

Do you still have an Ultra Plus?
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Re: In House Review - SanDisk Ultra Plus 256GB Solid State D

Postby Ian on Tue May 28, 2013 9:37 am

Yeah, why?
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Re: In House Review - SanDisk Ultra Plus 256GB Solid State D

Postby Scour on Tue May 28, 2013 2:37 pm

Can you see with new CDI the Host Read/Write-values?
Benq DW 1640, LG GH-20N, Pioneer BDR-208
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Re: In House Review - SanDisk Ultra Plus 256GB Solid State D

Postby Ian on Tue May 28, 2013 2:49 pm

Sure.
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Re: In House Review - SanDisk Ultra Plus 256GB Solid State D

Postby Scour on Tue May 28, 2013 3:09 pm

Don´t see it on your Review-screenies ;)

http://www.cdrlabs.com/Reviews/sandisk- ... ughts.html
Benq DW 1640, LG GH-20N, Pioneer BDR-208
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Re: In House Review - SanDisk Ultra Plus 256GB Solid State D

Postby Ian on Wed May 29, 2013 3:08 pm

This help at all?

SanDisk Ultra Plus 256GB CDI.png
SanDisk Ultra Plus 256GB CDI.png (71.46 KiB) Viewed 533 times
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Re: In House Review - SanDisk Ultra Plus 256GB Solid State D

Postby Ian on Wed May 29, 2013 3:22 pm

Hmm.. I don't think the Ultra Plus returns that info. At least in a way CDI understands. Here's a different SSD. Same computer. Same version of CDI.

Plextor PX-256M5M CDI.png
Plextor PX-256M5M CDI.png (72.55 KiB) Viewed 532 times
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Re: In House Review - SanDisk Ultra Plus 256GB Solid State D

Postby Scour on Wed May 29, 2013 6:11 pm

Thanks for the info

Looks like the SDD returns that info (Parameter F1 and F2) but CDI don´t shows it at the top. But I hope a newer version of CDI will do that :)

Some other SSDs like my M4 and Petrol don´t have F1 and F2, so CDI maybe never shows these info :(
Benq DW 1640, LG GH-20N, Pioneer BDR-208
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