Samsung's new flash stands above the competition

Subject: Storage | July 7, 2014 - 03:58 PM |
Tagged: vertical, V-NAND, ssd, sata, Samsung, 850 PRO, 3d

As you saw in Al's review, the Samsung 850 drive is more than just a small bump in model number and performance, it is the stellar introduction to 3D NAND.  The Tech Report is likely having nightmares from the drives reported longevity which is expected to be up to 10 times the cycles of current drives and means an update to their long running endurance test could see them testing into the 2020's.  While they haven't yet added the 850 to that particular test they did post a review which starts out with a comprehensive look at the history of Flash technology and why 3D NAND is faster and more resilient than previous types; read on to get  a better understanding of the fastest consumer SATA drive on the market.

nand2.jpg

"Most flash memory is limited to a single layer, but the V-NAND chips in Samsung's new 850 Pro SSD stack 32 layers on top of each other. This is next-level stuff, literally, and it's supposed to make the 850 Pro the fastest SATA drive around. We investigate."

Here are some more Storage reviews from around the web:

Storage

Podcast #307 - EVGA Torq X10 Mouse, Samsung 850 Pro, OCZ RevoDrive 350 and more!

Subject: General Tech | July 3, 2014 - 03:17 PM |
Tagged: podcast, video, evga, TORQ X10, Samsung, 850 PRO, ocz, RevoDrive 350, Silverstone, Nightjar, knights landing, Xeon Phi

PC Perspective Podcast #307 - 07/03/2014

Join us this week as we discuss the EVGA Torq X10 Mouse, Samsung 850 Pro, OCZ RevoDrive 350 and more!

You can subscribe to us through iTunes and you can still access it directly through the RSS page HERE.

The URL for the podcast is: http://pcper.com/podcast - Share with your friends!

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Hosts: Ryan Shrout, Josh Walrath, Jeremy Hellstrom, and Morry Tietelman

Program length: 1:19:27

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Subject: Storage
Manufacturer: Samsung

Introduction

Samsung has certainly been pushing the envelope in the SSD field. For the past two years straight, they have launched class leading storage products, frequently showing outside-the-box thinking. Their 840 PRO series was an impressive MLC performer to say the least, but even more impressive was the 840 EVO, which combined cost-efficient TLC flash with a super-fast SLC cache. The generous SLC area, present on each die and distributed amongst all flash chips within the drive, enabled the EVO to maintain PRO-level performance for the majority of typical consumer (and even power user) usage scenarios. The main win for the EVO was the fact that it could be produced at a much lower cost, and since its release, we've seen the EVO spearheading the push to lower cost SSDs.

All of these innovations might make you wonder what could possibly be next. Today I have that answer:

DSC01485.JPG

If you're going "Hey, they just changed the label from 840 to 850!", well, think again. This SSD might have the same MEX controller as its predecessor, but Samsung has done some significant overhauling of the flash memory itself. Allow me to demonstrate.

Here's standard (2D) flash memory, where the charge is stored on a horizontal plane:

Samsung_27nm_NAND_cross-section_01-.jpg

..and now for 3D:

3D-NAND--.jpg

The charges (bits) are not stored at the top layer. They are stored within all of those smaller, thinner layers below it. You're still looking at a 2D plane (your display), so here's a better view:

vnand crop--.png

Read on as we dive even deeper into this awesome new 3D flash technology!