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  • Samsung Electronics 840 EVO-Series 120GB 2.5-Inch SATA III Single Unit Version Internal Solid State Drive MZ-7TE120BW
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Samsung Electronics 840 EVO-Series 120GB 2.5-Inch SATA III Single Unit Version Internal Solid State Drive MZ-7TE120BW

by Samsung
| 190 answered questions

List Price: $139.99
Price: $85.99 & FREE Shipping. Details
You Save: $54.00 (39%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
120 GB
  • Worry-free data security with AES 256-bit full-disk encryption
  • No moving parts means no hard drive spin ups, no noise and superior data protection
  • An innovative lightweight design that allows you to work smarter and play longer.
  • Sequential Read Speed 540 MB / Sequential Write Speed 410 MB / Random Read Speed 94K / Random Write Speed 35K
  • Samsung's TurboWrite technology, 840 EVO can deliver much faster sequential write speeds compared to the previous 840 model, tripling the speed from 130 to 410MB/s in 120GB drives, and doubling it from 250 to 520MB/s in 250GB drives
100 new 19 used from $78.12 1 refurbished from $82.00

Frequently Bought Together

Samsung Electronics 840 EVO-Series 120GB 2.5-Inch SATA III Single Unit Version Internal Solid State Drive MZ-7TE120BW + WD Blue 1 TB Desktop Hard Drive: 3.5 Inch, 7200 RPM, SATA 6 Gb/s, 64 MB Cache - WD10EZEX + Cooler Master Hyper 212 EVO - CPU Cooler with 120mm PWM Fan (RR-212E-20PK-R2)
Price for all three: $171.89

Buy the selected items together


Special Offers and Product Promotions

Capacity: 120 GB
  • Buy Used and Save: Buy a Used "Samsung Electronics 840 EVO-Series 120GB 2.5-Inch ..." and save 44% off the $139.99 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.
  • Get a $75 Amazon.com Gift Card: Get the Discover it Card and get a $75.00 Amazon.com Gift Card after your first purchase. Learn more.

Technical Details

Capacity: 120 GB
  • RAM Type: SDRAM
  • Hard Drive: 120 GB
  See more technical details

Product Details

Capacity: 120 GB
  • Product Dimensions: 3.9 x 2.8 x 0.3 inches ; 1.9 ounces
  • Shipping Weight: 0.6 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B00E3W15P0
  • Item model number: MZ-7TE120BW
  • Average Customer Review: 4.8 out of 5 stars  See all reviews (4,130 customer reviews)
  • Amazon Best Sellers Rank:
  • Date first available at Amazon.com: August 12, 2013

Product Description

Capacity: 120 GB

From the Manufacturer

With upgrades to NAND, a new controller and firmware, the 840 EVO features the latest technology, while providing class leading responsiveness under everyday workloads, enhancing boot-up, application loading, and multi-tasking performance. Its 94K IOPS powers performance that is up to 10X faster than a regular HDD. And, Samsung's TurboWrite technology delivers dramatically faster sequential write performance. This 840 EVO has a storage capacity of 120 GB and comes with software for easy installation.

SED helps keep your files secure
Samsung 840 EVO Series 120 GB SSD (Single Unit Version Product Shot)

TurboWrite technology delivers dramatically faster sequential write speeds, boosting overall PC performance.

Samsung 840 EVO Series 120 GB SSD (Single Unit Version Product Shot)

All components are designed and produced by Samsung.

TurboWrite for Faster Performance

Samsung TurboWrite technology uses an innovative write acceleration algorithm and a high-performance write buffer to dramatically boost the sequential write speeds for overall improved performance.

RAPID Mode for Efficient Data Caching

The 840 EVO includes Samsung Magician software with RAPID mode--an innovative DRAM caching enhancement which boosts PC performance by using idle DRAM as an ultra-fast buffer that improves system performance over time as the drive optimizes to your tasks.

Encryption Technology to Secure Your Data

The 840 EVO features Self-Encrypting Drive (SED) technology to encrypt your data and help keep your personal files secure. Because the technology is hardware-based, it eliminates performance degradation that can occur in software-based encryption.

Sleek, Sophisticated Design

At only 7 millimeters thick and weighing just 2 ounces, the 840 EVO Series SSD features a sleek, lightweight design. The stunning brushed aluminum design emphasizes luxury and refinement, but is durable enough to protect your data from loss due to shock, dust and corrosion.

All of the components of the 840 EVO are designed and manufactured by Samsung to ensure optimal quality, performance, and lifespan.

Included Software for Smooth Installation

This 840 EVO includes Samsung Data Migration software, which makes it simple to migrate your data, applications, and operating system from your hard disk drive to the SSD. In addition, Samsung Magician gives you all the tools to monitor, manage, and maintain your new SSD.

Easier-Than-Ever Upgrade Tools

Samsung's One-stop Installation Navigator provides a comprehensive guide for software installation, data migration, and hardware setup. The simple Samsung Data Migration software supports a powerful and unique "Custom Cloning" feature that simplifies the transition to your new SSD.

What's in the Box

Samsung 840 EVO SSD, Samsung One-Stop Installation Navigator software, Samsung Data Migration software, and Samsung SSD Magician software.

Samsung Logo
840 EVO Series 120 GB SSD (Single Unit Version)
At a Glance:
  • Optimized to improve everyday PC productivity, including web-browsing, email, multimedia, and gaming
  • Quieter and more shock-resistant than a traditional HDD
  • Samsung's TurboWrite write acceleration technology offers significantly faster write speeds
  • Ultra-fast data buffering with Samsung RAPID technology
  • AES 256-bit hardware-based encryption to protect files
  • 100 percent genuine Samsung memory components
  • Included software helps you install the SSD and safely and simply migrate your data
Samsung 840 EVO Series 120 GB SSD

View larger.
Available in capacities up to 1 TB (see chart below).

Samsung 840 EVO Series Solid State Drives
Capacity 120 GB 250 GB 500 GB 750 GB 1 TB
Model # MZ-7TE120BW MZ-7TE250BW MZ-7TE500BW MZ-7TE750BW MZ-7TE1T0BW
Type of Drive Solid State Drive (SSD)
Form Factor 2.5-inch (Reduced 7mm z-height for use with ultraportables and netbooks)
For Use With Desktop and laptop PCs (including ultraportables and netbooks)
Interface SATA III 6Gbits/s (backwards compatible with SATA II 3Gbits/s and SATA I 1.5Gbits/s)
Random Read Speeds** 94K IOPS 97K IOPS 98K IOPS
Sequential Read Speeds 540 MB/s
Sequential Write Speeds 410 MB/s 520 MB/s 520 MB/s 520 MB/s 520 MB/s
Controller 3-Core Samsung MEX Controller
Type of NAND Flash 1xnm Samsung Toggle DDR 2.0 NAND Flash Memory (400 Mbps)
Type of Cache 256 MB Samsung LPDDR2 512 MB Samsung LPDDR2 SDRAM 1 GB Samsung LPDDR2 SDRAM
Dimensions 0.27 by 2.75 by 3.94 in. (H x W x D)

** 4K Random Read (QD32)

Product Description

Upgrading your PC with a Samsung SSD is the most economical way to breathe new life into an aging PC. The 840 EVO reads, writes and multi-tasks at incredible speeds, enhancing boot-up speed, application loading and multi-tasking performance. It's more than an upgrade, it's a complete transformation of your PC.

Customer Questions & Answers

Customer Reviews

Boot time is just a few seconds now, apps open fast!!
Chris Borgman
Easy installation and the software that came with it to migrate from the hard drive worked flawlessly.
Pdljmpr
The drive works great and really made my computer work very fast, especially on start up.
Gerard Tarabokia

Most Helpful Customer Reviews

1,337 of 1,363 people found the following review helpful By KJ on January 9, 2014
Size Name: 120 GB Verified Purchase
I had a very sluggish ASUS laptop that was about 2.5yrs old. It had a 2nd gen Intel Core 2 Duo processor. It took forever to boot up and website browsing was very slow. I mainly use my laptop for checking e-mail, web surfing and downloading photos from my digital camera. I'm not a power user so I just couldn't rationalize spending hundreds of dollars to replace it. Plus, I'm not a fan of Windows 8 which is installed on nearly all new laptops which dissuaded me from buying a new laptop (I have Windows 7 now).

Lately I've been hearing how replacing the old mechanical hard drive with an SSD would increase performance of any PC. I wasn't sure how much of an improvement it'd be since I wouldn't be updating the processor. After I put in the SSD it was a whole new world. The laptop booted up in seconds instead of minutes. Applications opened faster and everything was more responsive. Until now I never realized how much the mechanical hard drive bottlenecked the laptop's performance (as opposed to the processor). I don't think adding more RAM can increase performance this much.

I want to let you know that replacing the hard drive was super easy. I was overwhelmed at first because I couldn't find any easy installation instructions on the web. I was afraid that if I did it wrong I would lose all my data (especially my photos) or brick my laptop because I don't have the Windows Operating System installation CD (p.s. you don't need it). I thought I'd share my installation experience for people who are novices like me.

The steps below are for upgrading the hard drive on a regular PC laptop (i.e. I'm not sure if my instructions will work for a MacBook).
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460 of 498 people found the following review helpful By Tom Servo on September 2, 2013
Size Name: 250 GB Verified Purchase
If you need some more speed from your existing PC (especially laptops) this might be what you are looking for. Let's face it, most decent computers have enough RAM (4GB or more) and a fast enough CPU for "general purpose" use. But if you find your computer is still sluggish overall performance is probably held back by the hard drive. Traditional hard drives are mechanical and are limited by the time it takes for the platters to revolve and the mechanical components to position/seek before data can be read/written. An SSD is an "electronic" hard drive with no moving parts - which means significant speedups since there is no waiting on mechanical parts. In addition SSDs are more resistant to vibration/mechanical shock than hard drives.

Replacing the stock hard drive on a laptop (Win7, 64-bit) my Primary Disk interface score went from 5.8 to 7.6 (note the highest score is 7.9) and the laptop feels much snappier - boots in half the time too. I used the included Samsung Disk Migration software to perform the disk clone (using the SSD in an external USB SATA adapter). When it was finished I simply swapped the hard drive installed in the laptop with the SSD and Windows booted as usual. Note that you need to have a functional Windows installation for the Disk Migration tool to work - you install the tool under Windows like any other app (the tool is NOT a bootable CD with its own OS).

It's too early to determine reliability, which is the one concern I have with SSDs in general. SSDs use Flash memory and some SSDs use MultiLevelCell Flash (stores more than 1 bit per cell) - this allows pricing to be lower for a given capacity.
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360 of 399 people found the following review helpful By Sean on September 3, 2013
Size Name: 250 GB Verified Purchase
I have a late 2009 MacBook (the white polycarbonate one). It was performing unbearably slowly-- app switching and launching, booting, and even shutting down frequently took minutes. Scrolling in any app that accesses a lot of data (Evernote, even 1Password) was often very laggy. This was true even when I had large amounts of free/inactive memory. It was very frustrating, and I was almost ready to buy a new computer. However, I could see very high disk activity in the Activity Monitor during the slow periods and figured the bottleneck was probably my hard drive... so I went ahead and bought the Samsung 840 Evo and upgraded my RAM to 8 GB (Crucial 8 GB Kit (4 GB x 2) DDR3 1066 MT/s (PC3-8500) CL7 SODIMM 204-Pin for Mac (CT2C4G3S1067M )). Best computer decision of my life; the performance problems evaporated when I put in the Evo and the new RAM. Apps launch in seconds, no laggy scrolling, and I haven't hit the limit in terms of the numbers of things I can have open at once. Highly recommended.

P.S. Make sure you have an appropriate screwdriver (Wiha 96100 Phillips Screwdriver with Precision Handle, 00 x 40mm) and either a USB to SATA cable or a 2.5" hard drive enclosure. The screwdriver is needed to remove the bottom of the MacBook and to release the hard drive; the cable or enclosure is needed to connect the drive to your computer so you can clone your current drive before making the switch. Other screwdrivers might also work. Some articles I read suggested that a "T6" screwdriver was needed, but it wasn't for my MacBook model; can't speak about others.
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