Samsung's new 21nm Toggle TLC Flash based Series 840 SSDs

Subject: Storage | November 20, 2012 - 03:48 PM |
Tagged: Samsung, 840, tlc

As part of their review of the Samsung 840 250GB SSD, The Tech Report covers the specifics of the TLC flash memory which is used in the 840 series as opposed to the MLC we saw in the 830 series.   As well they show off some of the capabilities of the control software, which Samsung has dubbed the SSD Magician utility.  Of course from there the benchmarking begins which showed performance continually below the similarly priced 830 series which hurts the new SSDs on the price to performance chart.  Overall they are hard pressed to recommend the drive over the previous models, not only because of the performance but also the shortened lifespan of TLC flash.  As that flash technology matures we may see those concerns fade, as Allyn pointed out in his review.

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"Samsung's 840 Series SSD combines a next-gen fabrication process with an extra bit per cell to lower the cost per gigabyte. We take a closer look at the implications and see how the drive stacks up against the competition."

Here are some more Storage reviews from around the web:

Storage

Subject: Storage
Tagged: tlc, ssd, Samsung, pro, mdx, 840

Introduction, Specifications and Packaging

Introduction

Last week, Samsung flew myself and a few of my fellow peers in the storage review community out to Seoul, Korea. The event was the 2012 Samsung SSD Global Summit:

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At this event, Samsung officially announced their new 840 Pro, which we were able to obtain early under NDA and therefore publish in concert with the announcement. The 840 Pro was largely an incremental inprovement over their 830 Series. Newer, faster flash coupled with a higher clocked controller did well to improve on an already excellent product.

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As the event closed, we were presented with the second model of the lineup - the 840. This model, sans the 'Pro' moniker, is meant more for general consumer usage. The first mass marketed SSD to use Triple Level Cell (TLC) flash, it sacrifices some write speed and long-term reliability in favor of what should become considerably lower cost/GB as production ramps up to full capacity. TLC flash is the next step beyond MLC, which is in turn a step after SLC. Here's a graphic to demonstrate:

slc-mlc-tlc-glass.jpg

Read on for the full review!

Podcast #220 - Samsung 840 Pro SSD, a 1500W PSU from EVGA, AMD GPU leaks, and more!

Subject: General Tech | September 27, 2012 - 01:46 PM |
Tagged: tlc, ssd, Sea Islands, Samsung, PSU, podcast, nvidia, IOPS, Intel, evga, amd, 840 pro, 840, 1500W

PC Perspective Podcast #220 - 09/27/2012

Join us this week as we talk about the Samsung 840 Pro SSD, a 1500W PSU from EVGA, AMD GPU leaks, 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!

  • iTunes - Subscribe to the podcast directly through the iTunes Store
  • RSS - Subscribe through your regular RSS reader
  • MP3 - Direct download link to the MP3 file

Hosts: Ryan Shrout, Josh Walrath, Jeremy Hellstrom, and Allyn Malvantano

This Podcast is brought to you by MSI!

Program length: 1:07:28

Podcast topics of discussion:

  1. Week in Reviews:
    1. 0:02:55 Samsung 840 Pro 512GB SSD
    2. 0:17:50 EVGA SuperNOVA 1500 watt PSU
  2. 0:23:20 This Podcast is brought to you by MSI!
  3. News items of interest:
    1. 0:24:05 Raspberry Pi to get a Turbo button?
    2. 0:26:30 Looking for a $1200 Muderbox?
    3. 0:29:05 GLOBALFOUNDRIES goes 3D with FinFET
    4. 0:41:10 AMD Sea Islands GPU leaks
    5. 0:46:00 Maingear launches an All-in-One with a GTX 680
    6. 0:50:50 Catalyst 12.9 Released
    7. 0:55:20 Long term storage?
  4. Closing:
    1. 0:57:30 Hardware / Software Pick of the Week
      1. Ryan: AVADirect Mini-ITX Gaming System
      2. Jeremy: and now I can't find the smegging disks
      3. Josh: A fun barebones- not perfect, but cheap!
      4. Allyn: Samsung 830 deals! (anywhere you can get 'em)
  1. 1-888-38-PCPER or podcast@pcper.com
  2. http://pcper.com/podcast
  3. http://twitter.com/ryanshrout and http://twitter.com/pcper
  4. Closing/outro
  5.  

OCZ wraps both its ARMs around a new SSD controller and gives it a little TLC

Subject: General Tech | July 26, 2011 - 12:03 PM |
Tagged: ssd, ocz, arm, tlc, sata 6Gps, Indilinx Everest

OCZ is never satisfied with the performance of their SSDs in general and their controllers specifically.  After purchasing Indilinx to ensure that their controllers would be of high quality and designed to OCZ's specific needs, they've now been pushing Indilinx to improve on their controllers.  That has lead to Everest, which has a dual core ARM processor and 400MHz DDR3 cache that can support up to 512MB.  The controller is optimized for 8K writes which is perfect for the current flash utilized in SSDs.  OCZ has also optimized the flash memory, developing Triple Level Cell (TLC) which has three layers as opposed to MLC which sports two.  The controller will be backwards compatible, which is a good idea if OCZ wants to license the controller to other manufacturers, which makes sense as Everest should hit 200MT/s as compared to SandForce's current 166MT/s.  There is more that this controller can do, click on over to The Register to read about it.

Holysh.jpg

"OCZ is sampling a new flash controller that gives a picture of future solid state drives.

The company bought Indilinx for its solid state drive (SSD) controller technology in March this year and has now unveiled the Indilinx Everest controller platform.

It has a 6Gbit/s SATA III interface, a dual-core ARM processor and a number of enticing features, such as 3-bit multi-level cell (MLC) support. This is going to be called TLC, for triple-level cell, to distinguish it from today's MLC, which is 2-bit MLC."

Here is some more Tech News from around the web:

Tech Talk

Source: The Register

Next gen SSD controllers pushing for TLC flash

Subject: Storage | April 27, 2011 - 10:06 PM |
Tagged: tlc, ssd, slc, ocz, mlc, flash

A while back, Intel and Micron jointly announced the beginnings of 20nm flash memory production, promising a 50% increase in die count per wafer (or a 50% reduction in per die production cost, depending on how you slice it). This shrink only did just that - shrink the die. Capacity remained at 64Gbit (8GB).

A few days ago IMFT also announced another way to shrink that die, but this time keeping with the now 'old' 25nm process. It turns out they have refined 25nm to the point where consumer-grade TLC flash can be produced. TLC is Triple-Level-Cell. While SLC (Single) holds 1 bit per cell, and MLC (Multi) holds two, TLC holds 3 bits per cell. Compared to the MLC 25nm dies, this gives a capacity increase without changing much else. IMFT, however, is happy with the 8GB 'sweet spot', so instead of jumping to a 12GB die of the same physical size, they are opting to instead shrink the current 25nm die to 131mm^2.

INTC_Micron_TLC_NAND_350.jpg

25nm TLC die, same 8GB capacity, but less area than the 25nm MLC die.

This gives Intel and Micron two options for ultimately reducing the price of flash - either by shrinking the process and getting more 8GB MLC dies out of a 20nm wafer, or by squeezing more bits into each cell of existing 25nm flash.

This is good stuff. Let's hope it gets even more SSD's into even more machines this holiday season.