TLC

If nothing else, the odyssey of Samsung’s 840 EVO has not been lacking in excitement. After initially launching in 2013 to great fanfare as an excellent, strong-performing low-cost drive, over the long run performance regressions began to occur in deployed drives that saw the read performance of old data significantly drop. At the heart of the issue was the drive’s relatively uncommon 19nm TLC NAND, which given the combination of small feature size and tighter requirements of TLC, eventually resulted in the drive having to slow down and re-read cells to properly read the charge-decayed cells. Aiming to fix the issue, in 2014 Samsung released a performance restoration tool and firmware update for the 840 EVO. The combination of the tool and firmware would update...

New Samsung SSD 840 EVO Read Performance Fix Coming Later This Month

The Samsung SSD 840 EVO read performance bug has been on the table for over six months now. Initially Samsung acknowledged the issue fairly quickly and provided a fix...

75 by Kristian Vättö on 4/14/2015

The Samsung SSD 850 EVO mSATA/M.2 Review

Four months ago Samsung introduced the world to TLC V-NAND in the form of SSD 850 EVO. It did well in our tests and showed that 3D NAND technology...

52 by Kristian Vättö on 3/31/2015

Samsung Releases Statement on 840 EVO Performance - Another Fix Is In the Works

Over the last month there has been some concern over the read performance of Samsung’s 840 EVO drives, and whether after Samsung’s previous performance fix, that these same drivers...

73 by Ryan Smith on 2/20/2015

Samsung Displays New 3D V-NAND Based Enterprise SSDs at CES 2015

Along with the release of the SM951 PCIe SSD, Samsung had several new enterprise SSDs on display at the show. The PM863 and SM863 are SATA 6Gbps drives and...

23 by Kristian Vättö on 1/15/2015

Plextor Releases M6e Black Edition PCIe SSD, Shows Off Upcoming M7e PCIe SSD & TLC SSD

Continuing with our CES SSD coverage, Plextor released a new M6e Black Edition PCIe SSD at the show. Unfortunately, the Black Edition offers nothing new in terms of the...

1 by Kristian Vättö on 1/15/2015

Samsung Releases External T1 SSD

Traditionally the external flash storage space has been run by so called second tier OEMs that basically just buy the controller and NAND from third parties and then do...

22 by Kristian Vättö on 1/5/2015

Samsung SSD 850 EVO (120GB, 250GB, 500GB & 1TB) Review

Samsung hasn't stopped impressing me in the SSD space. The early Samsung SSDs weren't very good, but ever since the introduction of the SSD 830 Samsung has been doing...

89 by Kristian Vättö on 12/8/2014

The State of SanDisk

Back at Flash Memory Summit I had the opportunity to meet with all the key people at SanDisk. There is a lot going on at SanDisk at the moment...

132 by Kristian Vättö on 12/5/2014

Samsung Releases Firmware Update to Fix the SSD 840 EVO Read Performance Bug

The news of Samsung's SSD 840 EVO read performance degradation started circulating around the Internet about a month ago. Shortly after this, Samsung announced that they have found the...

94 by Kristian Vättö on 10/16/2014

Firmware Update to Fix the Samsung SSD 840 EVO Read Performance Bug Coming on October 15th

A week ago Samsung acknowledged the existence of the read performance bug in the SSD 840 EVO and I just received a note that the fixed firmware is in...

84 by Kristian Vättö on 9/26/2014

Samsung Acknowledges the SSD 840 EVO Read Performance Bug - Fix Is on the Way

During the last couple of weeks, numerous reports of Samsung SSD 840 and 840 EVO having low read performance have surfaced around the Internet. The most extensive one is...

116 by Kristian Vättö on 9/19/2014

SanDisk Ultra II (240GB) SSD Review

For nearly two years Samsung was the only manufacturer with an SSD that utilized TLC NAND. Most of the other manufacturers had talked about TLC SSDs in one way...

52 by Kristian Vättö on 9/16/2014

FMS 2014: Marvell Announces NVMe-Enabled PCIe 3.0 x4 88SS1093 SSD Controller

Two weeks ago Marvell announced their first PCIe SSD controller with NVMe support, named as 88SS1093. It supports PCIe 3.0 x4 interface with up to 4GB/s of bandwidth between...

23 by Kristian Vättö on 8/21/2014

FMS 2014: Silicon Motion Showcases SM2256 SSD Controller with TLC NAND Support

A couple of weeks ago at Flash Memory Summit, Silicon Motion launched their next generation SATA 6Gbps SSD controller. Dubbed simply as SM2256, the new controller is the first...

8 by Kristian Vättö on 8/20/2014

SanDisk Releases Ultra II SSD: Bringing More TLC NAND to the Market

It is a busy day in the client SSD space as earlier today AMD announced the company's first SSD, the R7, and now SanDisk is releasing the Ultra II...

22 by Kristian Vättö on 8/19/2014

Computex 2014: Memoright Shows XT3 TLC SSD & NF8-830 PCIe SSD

Memoright is a company that some of you might have heard of as we reviewed one of their drives back in 2011 but they have been out of the...

9 by Kristian Vättö on 6/12/2014

Computex 2014: Samsung Launches TLC-Based 845DC EVO for The Enterprise

While this is technically not a Computex announcement, Samsung is launching their TLC NAND based 845DC EVO today. This isn't Samsung's first TLC based enterprise SSD as a while...

11 by Kristian Vättö on 6/3/2014

Samsung SSD 840 EVO mSATA (120GB, 250GB, 500GB & 1TB) Review

Samsung is in a unique position in the SSD market. It’s the only company in the consumer SSD business with a fully vertically integrated business model and zero reliance...

65 by Kristian Vättö on 1/9/2014

Samsung SSD News: 1TB 840 EVO mSATA, RAPID for 840 Pro & eDrive for 840 EVO

Today has been a busy day for Samsung's SSD department with three releases/announcements. With three different topics, I've separated this article into three, so let's begin with the hardware. Samsung...

35 by Kristian Vättö on 12/9/2013

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