Samsung MZ-7TD250BW 840 Series Solid State Drive (SSD) 250 GB Sata 2.5-Inch Special Offer
Samsung MZ-7TD250BW 840 Series Solid State Drive (SSD) 250 GB Sata 2.5-Inch Reviews
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Samsung MZ-7TD250BW 840 Series Solid State Drive (SSD) 250 GB Sata 2.5-Inch Overview:
- 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
- 100-percent genuine Samsung components from the #1 memory manufacturer in the world
- Backed by a three-year limited warranty
- Superior multi-tasking performance with 4th-generation 3-Core Samsung MDX Controller
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Samsung MZ-7TD250BW 840 Series Solid State Drive (SSD) 250 GB Sata 2.5-Inch Reviews
527 of 549 people found the following review helpful 
Good but only if you can get it at the right price, November 6, 2012 This review is from: Samsung Electronics Samsung 840 Series Solid State Drive (SSD) 500 GB SATAIII 2.5-Inch MZ-7TD500BW (Personal Computers) First of all, the Samsung 840 uses triple-level cell (TLC) memory vs. the multi-level cell (MLC) memory used for almost all other SSDs. So what is the difference between TLC and MLC? With TLC memory, 3 bits of information (8 possible values) are stored per cell instead of the 2 bits (4 possible values) in MLC memory. This might sound better but it also means that the cells are used more and there is less voltage fault tolerance. In the most simple terms, you can think of cells being "filled" or "emptied" by applying voltage. When 3 bits (8 possible values) of information are stored per cell, the SSD may have to apply voltage to the entire cell multiple times even though just one bit of information is encoded (depending on the bit being changed). The multiple voltage applications to each cell also slows down the write speeds and causes more wear in general.
Performance-wise, the Samsung 840 is actually worse than the previous generation Samsung 830. On the Passmark... Read more
69 of 76 people found the following review helpful Corsair vs Crucial vs OCZ vs Samsung vs SanDisk - MacBook Pro Review, December 24, 2012 By Orlandoech (UT, USA) - See all my reviews This review is from: Samsung MZ-7TD250BW 840 Series Solid State Drive (SSD) 250 GB Sata 2.5-Inch (Personal Computers) ***UPDATE 12/31/12***
Amazon keeps removing my links in this review, sorry. Also, I notice I had my read and write speeds flopped, this has since been corrected on all my reviews posted for each SSD.
I am an avid MacBook Pro user and do a lot of hardware reviews for Apple products. I was able to get my hands on a dozen or so SSDs and test them out on a 2011 13" MacBook Pro and a 2012 13" MacBook Pro and have posted my results below on speeds, firmware and RMA.
All test were done with the SSD installed in the Main HDD Bay1, not the Optical Bay with SATA III on both the 2011 and 2012 MacBook Pro's. All 3rd party SSDs in Mac's require a Terminal CMD or TrimEnabler App to enable TRIM has OS X doesn't turn this on be fault.
*DRIVES LISTED IN ALPHABETICAL ORDER*
-------------------
CORSAIR FORCE GT
-------------------
SPEED TEST via BLACK MAGIC DISK SPEED BENCHMARK
*WRITE: 306.3 MB/s
*READ 486.1 MB/s... Read more
44 of 52 people found the following review helpful 
My old macbook moves......>>>>, November 8, 2012 By SOu "fylloxera" (Brooklyn, NY USA) - See all my reviews This review is from: Samsung 840 Series 2.5 inch 120GB SATA III internal Solid State Drive (SSD) MZ-7TD120BW (Personal Computers) I have the very first Macbook (intel core duo), and kicked myself back in 2006, when the duo core 2 model was released a month later.
Anyway I held on to my Macbook, and it has been used every single day since.
I decided to replace the original 60G toshiba hard drive, and what a blessing.
My Macbook uses SATA 1, rated for 1.5 Gb/s, this drive is SATA III, rated for 6 Gb/s. Therefore, I expected marginal performance.
So here is marginal for ya:
Start-up, literally 20 seconds, nearly instant shutdowns. Apps open very fast, internet web pages load a lot faster, especially with graphics and java/javascripts/flash
I'm using MAC OS 10.6.8 (Snow Leopard), TRIM is enabled, but only for Apple hard drives. A nice program called "Trim Enabler" the old version (1.2), will modify a few kernel extensions to get it to work for you. You need put in your favorite search engine "Trim Enabler 32-bit Support". Be careful not to upgrade to 10.7 / 10.8 with the... Read more
› See all 349 customer reviews...
| 527 of 549 people found the following review helpful Good but only if you can get it at the right price, This review is from: Samsung Electronics Samsung 840 Series Solid State Drive (SSD) 500 GB SATAIII 2.5-Inch MZ-7TD500BW (Personal Computers) First of all, the Samsung 840 uses triple-level cell (TLC) memory vs. the multi-level cell (MLC) memory used for almost all other SSDs. So what is the difference between TLC and MLC? With TLC memory, 3 bits of information (8 possible values) are stored per cell instead of the 2 bits (4 possible values) in MLC memory. This might sound better but it also means that the cells are used more and there is less voltage fault tolerance. In the most simple terms, you can think of cells being "filled" or "emptied" by applying voltage. When 3 bits (8 possible values) of information are stored per cell, the SSD may have to apply voltage to the entire cell multiple times even though just one bit of information is encoded (depending on the bit being changed). The multiple voltage applications to each cell also slows down the write speeds and causes more wear in general.Performance-wise, the Samsung 840 is actually worse than the previous generation Samsung 830. On the Passmark... Read more 69 of 76 people found the following review helpful Corsair vs Crucial vs OCZ vs Samsung vs SanDisk - MacBook Pro Review, By Orlandoech (UT, USA) - See all my reviews This review is from: Samsung MZ-7TD250BW 840 Series Solid State Drive (SSD) 250 GB Sata 2.5-Inch (Personal Computers) ***UPDATE 12/31/12***Amazon keeps removing my links in this review, sorry. Also, I notice I had my read and write speeds flopped, this has since been corrected on all my reviews posted for each SSD. I am an avid MacBook Pro user and do a lot of hardware reviews for Apple products. I was able to get my hands on a dozen or so SSDs and test them out on a 2011 13" MacBook Pro and a 2012 13" MacBook Pro and have posted my results below on speeds, firmware and RMA. All test were done with the SSD installed in the Main HDD Bay1, not the Optical Bay with SATA III on both the 2011 and 2012 MacBook Pro's. All 3rd party SSDs in Mac's require a Terminal CMD or TrimEnabler App to enable TRIM has OS X doesn't turn this on be fault. *DRIVES LISTED IN ALPHABETICAL ORDER* ------------------- CORSAIR FORCE GT ------------------- SPEED TEST via BLACK MAGIC DISK SPEED BENCHMARK *WRITE: 306.3 MB/s *READ 486.1 MB/s... Read more 44 of 52 people found the following review helpful My old macbook moves......>>>>, By SOu "fylloxera" (Brooklyn, NY USA) - See all my reviews This review is from: Samsung 840 Series 2.5 inch 120GB SATA III internal Solid State Drive (SSD) MZ-7TD120BW (Personal Computers) I have the very first Macbook (intel core duo), and kicked myself back in 2006, when the duo core 2 model was released a month later.Anyway I held on to my Macbook, and it has been used every single day since. I decided to replace the original 60G toshiba hard drive, and what a blessing. My Macbook uses SATA 1, rated for 1.5 Gb/s, this drive is SATA III, rated for 6 Gb/s. Therefore, I expected marginal performance. So here is marginal for ya: Start-up, literally 20 seconds, nearly instant shutdowns. Apps open very fast, internet web pages load a lot faster, especially with graphics and java/javascripts/flash I'm using MAC OS 10.6.8 (Snow Leopard), TRIM is enabled, but only for Apple hard drives. A nice program called "Trim Enabler" the old version (1.2), will modify a few kernel extensions to get it to work for you. You need put in your favorite search engine "Trim Enabler 32-bit Support". Be careful not to upgrade to 10.7 / 10.8 with the... Read more |
› See all 349 customer reviews...
