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Samsung 840 EVO Overview - New SSDs with Interesting Rapid Mode Cache (Page 1)

Samsung 840 EVO Overview - New SSDs with Interesting Rapid Mode Cache

With two new SSD drives on hand to review today, we're breaking the technology and software features out into a separate article. Let's discuss Samsung's 840 EVO.

Chris Ramseyer | Jul 25, 2013 at 06:00 am CDT - 1 min, 11 secs reading time for this page

Introduction

Samsung 840 EVO Overview - New SSDs with Interesting Rapid Mode Cache 01 | TweakTown.com

Last week Samsung held their 2013 SSD Global Summit and invited roughly 150 technology journalists along for the ride. We posted several videos from the conference in our news, but we couldn't publish everything. Although several new products were on display, many from the enterprise side, the new 840 EVO was the main attraction.

The Samsung 840 EVO is the successor to the original 840 SSD, the world's first retail SSD to use TLC (triple-level cell) NAND flash. At the time of writing, the EVO model sits between the original 840 and 840 Pro. Armed with a new controller that's 100MHz faster than that of the 840, the EVO is a faster product that also utilizes new second-generation TLC NAND flash, now at 19nm.

One of the hottest topics at the conference didn't actually come from the hardware solution, but rather a software focused topic from Samsung's recent acquisition of NVELO. Built into the Magician suite, RAPID Mode adds another layer of system cache, much like Superfetch to the storage system. When enabled, RAPID will utilize up to 1GB of system memory for a tier 0 like read and write cache. There are several performance benefits to using DRAM for storage cache, but there is also a possibility of losing data due to the volatile nature of DRAM.

Let's take a deep dive into the Samsung 840 EVO architecture and features and then later in the day look at the actual reviews.

Last updated: Jan 30, 2019 at 10:26 pm CST

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ABOUT THE AUTHOR - Chris Ramseyer

Chris Ramseyer started his career as a LAN Party organizer in Midwest USA. After working with several computer companies he was asked to join the team at The Adrenaline Vault by fellow Midwest LAN Party legend Sean Aikins. After a series of shake ups at AVault, Chris eventually took over as Editor-in-Chief before leaving to start Real World Entertainment. Look for Chris to bring his unique methods of testing Hard Disk Drives, Solid State Drives as well as RAID controller and NAS boxes to TweakTown as he looks to provide an accurate test bed to make your purchasing decisions easier.

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