Samsung 840 Series 2.5 inch 120GB SATA III internal Solid State Drive (SSD) MZ-7TD120BW

4.6 out of 5 stars 2,106 ratings

120 GB
Digital Storage Capacity 120 GB
Compatible Devices Desktop
Hard Disk Interface Serial ATA-600
Brand SAMSUNG
Series 840

About this item

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  • Optimized to improve everyday PC productivity, including web-browsing, email, multimedia and gaming
  • Enables you to boot up your computer in as little as 15 seconds
  • Energy efficient - improves battery life by up to 50 minutes
  • Solid-state design provides greater shock protection for data and brushed metal case blocks dust and corrosion
  • Worry-free data security with AES 256-bit full-disk encryption
  • Superior multi-tasking performance with 4th-generation 3-Core Samsung MDX Controller
  • 100-percent genuine Samsung components from the #1 memory manufacturer in the world
  • Backed by a three-year limited warranty

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SAMSUNG 870 EVO 250 GB
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Customer Rating 4.6 out of 5 stars (2106) 4.8 out of 5 stars (32155) 4.9 out of 5 stars (9260) 4.8 out of 5 stars (24652) 4.7 out of 5 stars (15076) 4.8 out of 5 stars (9853)
Price From $85.00 $34.99 $59.05 $54.99 $29.99 $109.99
Sold By Available from these sellers Amazon.com Triplenet Pricing INC Amazon.com Amazon.com Amazon.com
Compatible Devices Desktop Backwards compatibility to SATA Rev. 2.0 (3Gb/s) Laptop Mac, PC desktop, Laptop Laptop, Desktop
Data Transfer Rate 750 MB per second 350 Mb per second 560 Mb per second 6 Gb per second 6 Gb per second 6 Gb per second
Device Type Solid State Drives Internal Solid State Drive Solid State Drive Internal Solid State Drive
Digital Storage Capacity 120.0 GB 240 GB 250 GB 500 MB 240 GB 1 TB
Hard Disk Form Factor 2.50 inches 2.50 inches 2.50 inches 2.50 inches 2.50 inches
Hardware Interface SATA 6.0 Gb/s SATA 3.0 Gb/s SATA 6.0 Gb/s SATA 6.0 Gb/s SATA 6.0 Gb/s Solid State Drive
Hardware Platform PC, Mac, Unix, Linux laptop PC, laptop PC & Mac PC, laptop PC, laptop
Item Dimensions 3.94 x 2.75 x 0.28 inches 3.94 x 0.28 x 2.75 inches 3.94 x 2.76 x 0.27 inches 4 x 0.3 x 2.8 inches 2.76 x 3.94 x 0.28 inches 3.94 x 2.76 x 0.27 inches
Item Weight 1.92 ounces 1.44 ounces 2.08 ounces 1.31 ounces 1.60 ounces
Model Year 2012 2017 2019 2016

Product description

Capacity:120 GB

Product Description

Upgrading your PC with a Samsung 840 SSD is the most economical way to breathe new life into an aging PC. The 840 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.

From the Manufacturer

Upgrading your PC with a Samsung 840 SSD is an economical way to breathe new life into an aging PC. The 840 reads, writes, and multi-tasks at incredible speeds, enhancing boot-up, application loading, and multi-tasking performance. No moving parts means no hard drive spin ups, no noise, and superior data protection. This version of the 840 Series SSD has a capacity of 120 GB.

840 Series SSD

Boots up, downloads files, and performs everyday computer tasks more quickly than typical hard disk drives. View larger.

840 Series SSD840 Series SSD840 Series SSD
Fast Performance for Downloads, Gaming, and More

With Samsung's 840 Series SSD, everyday tasks on your desktop or laptop PC can become faster and smoother. This SSD provides exceptional read, write, and multitasking speeds, allowing you to run applications, quickly download graphics, play memory-intensive computer games, and access all your files with less waiting. In addition, the 840 Series SSD enables your PC to boot up in as little as 10 seconds.

Engineered for Reliability to Keep Data Secure

To ensure exceptional quality and reliability, the 840 Series SSD was designed and built completely in-house using advanced memory technology and 100-percent genuine Samsung components.

Additionally, the 840 Series SSD has no moving parts, which means no hard drive spin ups, no noise, and superior data protection. The SSD also offers AES 256-bit full disk encryption for worry-free data security.

Thin, Lightweight Design and Low Battery Consumption

At only 7 millimeters thick and weighing just 2 ounces, the 840 Series SSD has a sleek, lightweight design that can make your laptop lighter to carry.

And because it contains no moving parts and features an ultra-efficient design, the 840 consumes little battery power, letting you enjoy up to 50 minutes more laptop battery life than a standard hard disk drive (HDD) or solid state drive (SSD)*. It also supports Device Sleep mode for Microsoft Windows 8 and Haswell chipsets, which helps reduce overall power consumption.

Data Migration Software Included for Easy Data Transfer

Samsung's Smart Data Migration software is included to make it safe and easy to migrate your data and operating system from your existing drive to the 840 Series SSD.

Product and Warranty Information

This SSD has a usable capacity of 120 GB, offers 256 MB of Samsung DDR2 SDRAM cache memory, and has a SATA 6b/s interface that is compatible with SATA 3 Gb/s and SATA 1.5 Gb/s. It measures 7.00 by 69.85 by 100.00 millimeters (H x W x D) and weighs just 62.5 grams.

The 840 Series SSD is backed by a three year warranty.

What's in the Box

840 Series SSD, Samsung Smart Data Migration Software, Samsung SSD Magician software, manual CD, and quick user manual.

Samsung Logo
Samsung 840 Series 120 GB SSD
At a Glance:
  • Boot up your PC in as little as 10 seconds
  • Allows you to breathe new life into an aging PC--enhancing boot speeds and application performance
  • Energy-efficient design for up to 50 minutes longer battery life*
  • AES 256-bit full disk encryption for ultimate data security
  • Comes with Samsung Smart Data Migration software
  • Three-year limited warranty
Samsung 840 Series Solid State Drives
Capacity120 GB250 GB500 GB
Drive OnlyMZ-7TD120BWMZ-7TD250BWMZ-7TD500BW
Drive and Installation KitMZ-7TD120KWMZ-7TD250KWMZ-7TD500KW
Type of DriveSolid State Drive (SSD)
Form Factor2.5-inch (Reduced 7mm thickness for use with ultraportables and netbooks)
For Use WithDesktop and laptop PCs (including ultraportables and netbooks)
InterfaceSATA 6Gbits/s (backwards compatible with SATA 3Gbits/s and SATA 1.5Gbits/s)
Random Read Speeds***86K IOPS96K IOPS98K IOPS
Sequential Read/Write Speeds530 MB/s / 130 MB/s540 MB/s / 250 MB/s540 MB/s / 330 MB/s
Controller3-Core Samsung MDX Controller
Type of NAND Flash2xnm Samsung Toggle DDR 2.0 NAND Flash Memory (400Mbps)
Type of Cache256MB Samsung LPDDR2 SDRAM512MB Samsung LPDDR2 SDRAM
Dimensions0.28 by 2.75 by 3.94 in. (H x W x D)
Warranty3-Year Limited

*Up to 50 minutes longer battery life versus standard HDDs and some competitor SSDs

***4K Random Read (QD32)

Product information

Capacity:120 GB

Technical Details

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Additional Information

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.

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Legal Disclaimer

Dear customer, Thank you for purchasing your refurbished electronic device from J D BEAVERS CO. Your device was refurbished under strict adherence to responsible recycling best practices. J D BEAVERS CO., maintains necessary permits, licenses, and insurance as required by state and federal regulations. Please recycle all of your end of life electronics responsibly.


Customer Questions & Answers

Customer reviews

4.6 out of 5 stars
4.6 out of 5
2,106 global ratings
How are ratings calculated?

Top reviews from the United States

Reviewed in the United States on May 19, 2017
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Reviewed in the United States on February 9, 2014
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Customer image
3.0 out of 5 stars Use in all my Macs
By Gadget Freak on February 9, 2014
I have these in three different Macs. My MBP boots in about 7 seconds. I have trim enabled. I'm using as RAID 0 in my mini, as boot drives in two MBPs.

2012 Mac Mini Server:
Samsung 840 SSD – 500 Gb SATA III 6 gigabit, READ/WRITE: 560/ 320
Samsung 840 SSD – 500 Gb x 2 – RAID 0 SATA III 6 gigabit, READ/WRITE: 990/ 620
Samsung 840 SSD – 500 Gb SATA III 6 gigabit, External Seagate STAE 129 Thunderbolt adapter, READ/WRITE 378 323

If you want a kick-ass memory stick, you any SSD with a Seagate STAE 129 adapter.

After a year, I haven't noticed any degradation.

I wouldn't use a spinning drive for any boot drive. Once you go SSD, you'll never go back.

UPDATE March 2016:

TODAY.... This is not one of Samsung's better drives. This review is after 3yrs of ownership.

I would not depend on them for more than a couple yrs service. Pay the extra and by an 850Pro. or pay way less and buy a Sandisk. I have two drives, both with the same behaviors Both drives gradually declined in speed and crapped out right at the 3 yr warranty period, in what I would call "light" service, my media server (not high throughput). The warranty covered them, but with refurbished units that do no reach the speed of the original drives. I've since converted both drives into nice/fast little memory 500Gb sticks for backups, emergency boot disks, etc.

FYI, I have 8 other SSDs, some good, some bad, so this review isn't w/o experience. See attached RAID 0 840 vs 850 Pro
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Reviewed in the United States on July 7, 2014
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Reviewed in the United States on February 3, 2014
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Top reviews from other countries

Imtiaz Ahmed
5.0 out of 5 stars Five Stars
Reviewed in the United Kingdom on December 7, 2017
Capacity: 120 GBVerified Purchase
Micky
1.0 out of 5 stars Leider auch bei mir: Plötzlicher Totalausfall nach etwas über 3 Jahren
Reviewed in Germany on October 9, 2016
Capacity: 120 GBVerified Purchase
BenB
1.0 out of 5 stars Defekt nach 3 Jahren und einer Woche
Reviewed in Germany on May 23, 2016
Capacity: 120 GBVerified Purchase
One person found this helpful
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starlight16
5.0 out of 5 stars Schnell und Zuverlässig
Reviewed in Germany on June 20, 2013
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Olivier Damiron
5.0 out of 5 stars Simply awesome
Reviewed in Canada on October 19, 2013
Capacity: 120 GBVerified Purchase
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