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Samsung SSD 850 PRO Review Discussion

SSD

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#1 Brian

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Posted 30 June 2014 - 09:06 PM

The Samsung SSD 850 PRO gives enthusiasts about everything they could want in a single SATA SSD. Like drives before it, Samsung has infused the SSD 850 PRO with new technology to make it a class leader in terms of performance, endurance and warranty. 

 


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#2 worxland

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Posted 01 July 2014 - 06:55 AM

Hail to the king! 30000 P/E and 10 yr warranty - from now on SSD is the all-round storage option (temp files and p2p included).

 


#3 Brian

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Posted 01 July 2014 - 09:11 AM

Indeed it is...


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#4 gfody

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Posted 01 July 2014 - 10:05 AM

Is the fragmentation resilience really intrinsic to the new 3D layout or is it just controller enhancements?

 

http://www.pcper.com...r-Time-and-TRIM

 

 

...and here is 3D physics. Those are two sequential runs after fragmentation, *without TRIM*. The low-level changes Samsung has made to this V-NAND flash make it nearly immune to typical 4k random accesses in absence of TRIM (our fragmentation efforts prior to these passes have a small amount of <4k IO sprinkled in). I have never seen any SSD so apparently resilient against fragmentation.


#5 CrazyElf

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Posted 01 July 2014 - 12:41 PM

It beats the Sandisk Extreme Pro at most benchmarks. So among the SATA3 disks, it is the new emperor.

 

The problem is, well - price. They are asking for double the Crucial MX100 based on the MSRPs. How much does 3D V-NAND cost to make? Especially at 40 nm?

 

Another question is, would an XP941-like drive with V-NAND be faster than the XP941? It certainly seems that way.


Edited by CrazyElf, 01 July 2014 - 12:48 PM.

#6 Brian

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Posted 01 July 2014 - 01:41 PM

V-NAND is not in high volume yet, that of course changes some now that product is shipping, it will get even better by the time the SSD 850 EVO hits using V-NAND. Samsung is done with planar NAND for client drives anyway, V-NAND is the future, for the next few years at least. So yes, pricing is high now but should fade, like all tech does, in volume. Most people can't justify the expense for the better performing drive, the 840 EVO and MX100 are still better options for the market at large. 

 

As for PCIe form factor SSDs, yes, they'll migrate to V-NAND too eventually and yes, they'll perform better too. 


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#7 pharaoh

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Posted 01 July 2014 - 01:46 PM

Excellent review, as always, Brian!

As these drives are most definitely going to be extremely popular in the enterprise/hosting, like their predecessors, could you please kindly post an enterprise review of them?

(oh boy, I got a strange feeling of a deja vu...lol)


Edited by pharaoh, 01 July 2014 - 01:46 PM.

#8 Kevin OBrien

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Posted 01 July 2014 - 02:43 PM

We are waiting for some additional samples to come in. With the 840 Pro review we had 4x512GB drives... right now we have 1 128GB and 1 1TB drive. As soon as we get some more in we should be able to get that in motion.


#9 [ETA]MrSpadge

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Posted 01 July 2014 - 04:21 PM

Is the fragmentation resilience really intrinsic to the new 3D layout or is it just controller enhancements?

 

http://www.pcper.com...r-Time-and-TRIM

 

 

I suppose it's "just the 40 nm process" with its lower write and erase times, in addition to their excellent controller and firmware. The SSDs back then didn't perform as well because they didn't have the latter, whereas the former makes the job of the controller much easier.

 

A really impressive technology showcase! It will be very interesting what 3D NAND can do with PCIe interfaces and TLC. And at some day maybe even with attractive prices.

 

MrS


#10 ChrisMcPole

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Posted 01 July 2014 - 05:34 PM

So I assume 3D tech is limited to Samsung, and Micron for now?


#11 Brian

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Posted 01 July 2014 - 10:19 PM

Micron has announced the technology but isn't shipping in a product yet.


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#12 continuum

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Posted 03 July 2014 - 02:17 AM

Price-- Samsung's 850 PRO (and older 840 PRO) are their premium line, so of course they're going to charge a premium.

 

Honestly for typical desktop use, the 840 EVO (and Crucial MX100) is just fine-- any performance differences in normal desktop use are going to be insignificant at best.

 

It will be very interesting what 3D NAND can do with PCIe interfaces and TLC.
TLC would probably hurt the write times though, although I can imagine in a few generations when people are trying to make 10TB or 40TB or 100TB worth of SSD in a 2.5" form factor that we might see a combination of more dense layers of V-NAND (Samsung is already promising 1Tbit in 2017)...

 

Anandtech dives more into the details of 3D NAND in their review...

http://www.anandtech...nter-the-3d-era


#13 J_Right_hiwix

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Posted 03 July 2014 - 03:38 AM

well information shared. Thank you


#14 Ricky_005

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Posted 03 July 2014 - 11:29 PM

Its about time SSD findly come to point where they are durable on the read and writes.....






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