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Item#: 9SIA24G1E36104

Transcend SSD340 TS128GSSD340 2.5" 128GB SATA III MLC Internal Solid State Drive (SSD)

  • 2.5"
  • 128GB
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Imagine your notebook was faster, lighter, more reliable, and longer lasting. To overcome the limits of portable computing, Transcend’s SSD340 SATA III SSD boasts incredibly fast transfer speeds, a compact and lightweight design, shock and vibration resistance, and DevSleep support. That means you can enjoy a seamless, lag-free computing experience even when using your notebook on an extended journey.


  • Next Generation SATA III 6Gb/s Interface
  • DDR3 DRAM cache
  • TRIM Command support
  • Ultra-slim 7mm form factor
  • SATA 6Gbps/3Gbps/1.5Gbps connection options
  • Intelligent Block Management and Wear Leveling
  • Built-in ECC protection for long data retention
  • Supports Native Command Queuing
  • Intelligent "Recycling" for advance free space management (Garbage Collection)
  • Supports S.M.A.R.T.
  • Shock and vibration resistant



Performance Upgrade

Transcend's SSD340 is built using high-quality synchronous multi-level cell (MLC) NAND flash memory for enduring performance and features the next-generation SATA III 6Gb/s interface, DDR3 DRAM cache, and a powerful controller. As a result, the SSD340 makes everyday computing tasks, such as booting up your computer, launching applications, and transferring data, quicker than ever before.

In order to allow straightforward installation in notebook computers, mainstream PCs, and today’s advanced Ultrabooks, the SSD340 features the industry-standard 2.5" form factor. Yet, it measures just 7mm in height and only weighs a mere 52g. Moreover, the SSD340 offers cool, silent operation and excellent resistance to shock and vibration, further proving that it’s the ultimate upgrade to your standard rotating hard drive.


Low Power, Fast Response

The SSD340 maximizes notebook battery life when not in use thanks to full support of SATA Device Sleep Mode (DevSleep). DevSleep ultra low power state conserves more battery power than current power saving features such as standby mode by shutting down the SATA interface completely. And with a remarkable response time of less than 20 milliseconds, you can start working on your computer again almost instantly.


Built-In Reliability

To keep your Transcend SSD running fast, clean, and error-free, the advanced SSD Scope software application is available to download and work with the SSD340. SSD Scope allows you to monitor SSD340 health status with S.M.A.R.T. technology and enable the TRIM command in the operating system to help maintain optimum write speeds, all from a single user-friendly tool

For operating systems that do not support the TRIM command, the SSD340 offers an aggressive garbage collection and recycling system. To further increase the lifespan of the SSD340, built-in wear-leveling and Error Correction Code (ECC) ensure continued reliable data transfer. SSD Scope also includes a convenient System Clone utility to help make upgrading your existing computer to the performance boost of an SSD340 quick and easy.


Capacity 64GB, 128GB, 256GB
Size 99.8mm × 69.8mm × 7mm
Weight 52g
Storage Media Synchronous MLC NAND Flash memory
Operating Voltage DC 5V
Operating Temperature 0°C (32°F) to 70°C (158°F)
Certificates CE, FCC, BSMI

What's in the Box


  1. SSD340
  2. Bracket
  3. Screws x 8
  4. Quick Installation Guide
  5. Warranty Card

Learn more about the Transcend TS128GSSD340

Quick Info


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years

Customer Reviews of the Transcend TS128GSSD340

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  • joe a.
  • 3/18/2015 9:43:52 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsFast

Pros: This SSD seems faster than my Intel but maybe it is only my imagination. No problems to date.

Cons: None

Did you find this review helpful? Yes No

  • omar a.
  • 2/24/2015 4:05:01 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWorks well

Pros: Works well, my computer starts up lightning fast.

Cons: None

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  • Samuel R.
  • 2/23/2015 9:33:11 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsSSD For the Win!

Pros: The item will easily boost your system boot up and response time. The included 3.5" bracket is awesome for the price of the unit. My PC boot up time is now around 30 seconds or less, down from 1-2 minutes with a conventional HDD. For the cost of the unit, the included accessories, and the overall boost in performance it's a great buy!

Cons: The 3.5" adapter didn't work well with the hard drive sled system in my PC case. The case (MFG'd by NZXT) included tray pins don't fit in the pre-drilled screw holes on the bracket. This was easily fixed by drilling them a bit larger. It's not a total Con, but should be known if you have a HDD slide system, like my case.

Other Thoughts: If you can afford it, it's worth going to a larger capacity. You'll find a windows PC (64 bit, Win 7) will only allow for 119 GB to 120 GB of usable space due to formatting. SSD pricing per gigabyte is getting closer to reasonable. I'm never going back to conventional HDD for OS installations.

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  • Jorge T.
  • 1/19/2015 10:13:26 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat SSD

Pros: Works great after almost 9 months of daily usage.

Windows 10 boots in about 3sec. Everything is almost instant. I can write to USB drives @ 50MB/sec even with batches of smaller files.

Runs cool even under load. Sips power, the power usage of my machine went down by 5W under load when I moved to this SSD.
Idle wattage down by 2W.

Cons: None

Other Thoughts: It has Cache memory (RAM) which not all SSD's have. its extremely fast especially on commonly used files (or if you keep opening the same thing again and again).

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  • S. T.
  • 1/7/2015 7:55:04 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGREAT SSD

Pros: Wrote the 1st review of this product back in Feb 2014, and almost a year later, it performs beautifully.

Cons: I have been having issues with the Scope software that Transcend provides on its website. So far, have been able to update the firware only once as a result, but the SSD runs perfectly none-the-less.

Other Thoughts: Having own and run over 10 different SSDs in my home environment, I always come back to this stable and reliable SSD. It is now the primary SSD in my main laptop again, and I doubt I will switch it out except for testing other SSDs. Top notch product!

1 out of 1 people found this review helpful. Did you? Yes No

  • Nicholas S.
  • 12/6/2014 8:22:24 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGood Value

Pros: -Good Value
-Better than expected performance
-MLC over TLC
-7mm height for thin, newer laptops
-Came nicely packaged, quality feel
-Uses well-reviewed controller

Cons: -None thus far.

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  • Melinda F.
  • 11/29/2014 12:41:37 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsInstantaneous Gaming

Pros: Caveat: This is my first ssd and I do not track benchmarks.
With that said I can tell you I am starkly aware of the difference between mechanical disc and ssd. I used to have to wait for new maps to load in BL2, Just Cause 2, Skyrim etc but now load screens very rarely appear. The OS behaves like a psychic freak with applications and tasks happening instantaneously. Also sleep and wake happen in a fraction of a second.

Cons: Man for the price and space I couldn't possibly list a con.

Other Thoughts: Right now I have the dreaded Win8.1 video and graphic software and about 5 awesome games on it with room to spare. I still have a 1tb mech for the db stuff though. Oh and I'm not using a video card.

Enermax Ostrog ATX Computer Case
MSI Z97-Gaming 3
Intel Core i5-4570 Haswell
Transcend SSD340 TS128
Western Digital 1 TB SATA III 7200

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  • Mercedita R.
  • 11/27/2014 2:59:04 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSuch Speed O_O

Pros: Exceptional data transfer rates. Great price.

Cons: none come to mind as of yet. If anything happens t, I'll revise this review, but so far so good :D

Other Thoughts: Windows 7 x64 loads literally 12 seconds after I press my power button... 'nuff said...

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  • John N.
  • 11/24/2014 5:27:47 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsShould hav known better

Pros: Computer boots up

Cons: VERY poor performance. Computer hangs, stalls, freezes and everything else.

Other Thoughts: I researched this brand as I'm not familiar with the name. The reviews seemed promising so went with it. Should have stuck with what I am familiar with. Will never get this brand again.

0 out of 6 people found this review helpful. Did you? Yes No

  • Michael W.
  • 11/21/2014 7:16:43 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsTranscend's got a winner!

Pros: *Excellent Random Access Times
*Low Power Usage (such as most SSD's)
*All around good performer.

This is a good budget buy.. can't go wrong.

Cons: *None - for this price range, performance is right where it should be.

Other Thoughts: Compared to other SSD's in this price range the performance is dead on. I've seen products in this price range perform higher & lower but this seems to be the average. Which really is very acceptable. Below are my benchmarks using a Samsung 830 256GB Pro on my AMD 970 chipset based system.

Transcend SSD340

Transcend - Avengers Rip
6,874 / 27.6 = 249.05 MB/s Read (From Transcend to 840)
6,874 / 34.9 = 196.96 MB/s Write (From 840 to Transcend)

Random Work Files 3.53GB (small & medium size files)
3,530 / 10.6 = 333.01 MB/s Read (From Transcend to 840)
3,530 / 28.2 = 125.18 MB/s Write (From 840 to Transcend)

Crystal Disk Mark 64-Bit
Seq. Read = 261.7 Write = 162.6
512k Read = 233.4 Write = 167.3
4k Read = 20.89 Write = 58.58
QD32 Read = 26.80 Write = 68.21

AS SSD Benchmark
Seq. Read = 228.80 Write = 155.24
4K Read = 19.45 Write = 52.06
4K-64Thrd Read = 26.37 Write = 76.05
Acc. Time Read .068ms Write = .068ms
Score Read = 69 Write = 144 Total 253

ATTO Disk Benchmark
Read = 261.25 MB/s Write = 165.36 MB/s

Samsung Magician Performance Benchmark
Seq. Read = 269 MB/s Write = 164 MB/s
Random IOPS Read = 6,942 Write = 23,718

Benchmarking Software Average Read = 255 MB/s
Benchmarking Software Average Write = 162 MB/s

Very good product. Go get it!!

4 out of 4 people found this review helpful. Did you? Yes No

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