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Item#: 9SIA0AJ1080166

SAMSUNG 840 Series MZ-7TD250BW 2.5" 250GB SATA III Internal Solid State Drive (SSD)

  • 2.5"
  • 250GB
  • SATA III
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Learn more about the SAMSUNG MZ-7TD250BW

General

Brand
SAMSUNG
Series
840 Series
Model
MZ-7TD250BW
Device Type
Internal Solid State Drive (SSD)
Used For
Consumer

Physical

Form Factor
2.5"
Capacity
250GB
Interface
SATA III
Controller
Samsung
MDX
Controller
Height
7mm

Performance

Sustained Sequential Read
530 MB/s
Sustained Sequential Write
240MBps
4KB Random Read
Up to 95,000 IOPS
4KB Random Write
Up to 44,000 IOPS
MTBF
1,500,000 hours

Features

Features
Trim Support
RAID Support
AES Encryption

Environmental

Power Consumption (Idle)
0.046W
Power Consumption (Active)
0.071W

Quick Info

Warranty

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


Customer Reviews of the SAMSUNG MZ-7TD250BW

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Showing 284 of 284 reviews - Clear Filters

  • Matthew W.
  • 8/6/2014 10:26:45 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat SSD

This review is from: SAMSUNG 840 Series MZ-7TD250BW 2.5" 250GB SATA III Internal Solid State Drive (SSD)

Pros: Nice fast SSD. Samsung makes great ssds. Fast, reliable.

Cons: None

Did you find this review helpful? Yes No

  • Adam O.
  • 7/24/2014 9:30:38 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsWorked Good While it lasted

This review is from: SAMSUNG 840 Series MZ-7TD250BW 2.5" 250GB SATA III Internal Solid State Drive (SSD)

Pros: fast
2 years of reliability?
easy install

Cons: corrupted after 2 years - for the price it doesnt seem like a sound investment.

slower than my 128gb m4 crucial.

samsung magician software with it seemed buggy
blue screened the bajeezus out of me on its final stages of life.

Other Thoughts: Thank goodness for the 3 year warranty, i use this for my ladies computer just annoyed i have to use my backup ssd to install windows for now..

Did you find this review helpful? Yes No

  • Carl M.
  • 6/5/2014 1:43:00 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs

This review is from: SAMSUNG 840 Series MZ-7TD250BW 2.5" 250GB SATA III Internal Solid State Drive (SSD)

Pros: Samsung is the best

Cons: None

Did you find this review helpful? Yes No

  • Chad H.
  • 4/1/2014 8:46:21 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks Great

This review is from: SAMSUNG 840 Series MZ-7TD250BW 2.5" 250GB SATA III Internal Solid State Drive (SSD)

Pros: Very fast!
Reliable
Easy to install

Cons: None

Other Thoughts: Drive boots my OS in less that a minute!

Did you find this review helpful? Yes No

  • Bill P.
  • 3/12/2014 9:16:13 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsDead, like Samsung service

This review is from: SAMSUNG 840 Series MZ-7TD250BW 2.5" 250GB SATA III Internal Solid State Drive (SSD)

Pros: Fast when it worked.

Cons: Died in just under a year. Locked up computer / won't POST.

Other Thoughts: After registering the failed unit, ALL of the Samsung support functions stopped working, the screen just froze every time I attempted to contact service or send an email for support.

The warranty is useless if you can't contact the manufacturer for service or warranty support.

The Samsung support for SSD seems to be separate from the rest of the Samsung products. Can't even chat with a rep. Speaks poorly of how Samsung feels toward their SSDs.

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

  • Timothy L.
  • 1/17/2014 3:44:12 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsSamsung SSD

This review is from: SAMSUNG 840 Series MZ-7TD250BW 2.5" 250GB SATA III Internal Solid State Drive (SSD)

Pros: Best Hard drive I have purchased. Really fast and reliable.

Cons: No Cons

Did you find this review helpful? Yes No

  • Gregory K.
  • 1/2/2014 1:51:33 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsPoor, poor support, lousy performance

This review is from: SAMSUNG 840 Series MZ-7TD250BW 2.5" 250GB SATA III Internal Solid State Drive (SSD)

Pros: Reasonably priced when on sale. It has no moving parts (like all SSDs).

Cons: the support is non-existent. Never answers the phone, can't chat for SSD support and their website offers no support on this model. You select it and what is renders is NOTHING.

Performance stinks. I can't get help to see if it is a defective device. Gave up trying. Shame on Samsung. Shame on me for not being determined enough to get through somehow.

Other Thoughts: Installed in a T500 laptop, this SSD has very mediocre performance, not much better than a HD in many cases. I have a Crucial M4 in a desktop that runs CIRCLES around this product. Granted, it has a Sata 3 interface on the desktop, but it is not even close. AS SSD benchmarks show how lame it is.

AS SSD Benchmark 1.7.4739.38088
------------------------------
Name: Samsung SSD 840 Series
Firmware: DXT0
Controller: iaStor
Offset: 103424 K - OK
Size: 232.88 GB
Date: 1/2/2014 4:38:53 PM
------------------------------
16MB
------------------------------
Read: 15.93 iops
Write: 7.76 iops
------------------------------
4K:
------------------------------
Read: 4932 iops
Write: 10263 iops
------------------------------
4K-64Threads:
------------------------------
Read: 37236 iops
Write: 10763 iops
------------------------------
512B
------------------------------
Read: 3276 iops
Write: 11198 iops
------------------------------
Score:
------------------------------
Read: 190
Write: 95
Total: 383
------------------------------
AS SSD Benchmark 1.7.4739.38088
------------------------------
Name: Samsung SSD 840 Series
Firmware: DXT0
Controller: iaStor
Offset: 103424 K - OK
Size: 232.88 GB
Date: 1/2/2014 4:39:29 PM
------------------------------
Sequential:
------------------------------
Read: 254.91 MB/s
Write: 124.08 MB/s
------------------------------
4K:
------------------------------
Read: 19.26 MB/s
Write: 40.09 MB/s
------------------------------
4K-64Threads:
------------------------------
Read: 145.45 MB/s
Write: 42.04 MB/s
------------------------------
Access Times:
------------------------------
Read: 0.305 ms
Write: 0.089 ms
------------------------------
Score:
------------------------------
Read: 190
Write: 95
Total: 383
------------------------------

AS SSD Benchmark 1.7.4739.38088
------------------------------
Name: Samsung SSD 840 Series
Firmware: DXT0
Controller: iaStor
Offset: 103424 K - OK
Size: 232.88 GB
Date: 1/2/2014 4:39:49 PM
------------------------------
Sequential:
------------------------------
Read: 254.91 MB/s
Write: 124.08 MB/s
------------------------------
4K:
------------------------------
Read: 19.26 MB/s
Write: 40.09 MB/s
------------------------------
4K-64Threads:
------------------------------
Read: 145.45 MB/s
Write: 42.04 MB/s
------------------------------
Access Times:
------------------------------
Read: 0.305 ms
Write: 0.089 ms
------------------------------
Score:
------------------------------
Read: 190
Write: 95
Total: 383
------------------------------

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

  • A F.
  • 12/28/2013 4:01:38 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks perfect.

This review is from: SAMSUNG 840 Series MZ-7TD250BW 2.5" 250GB SATA III Internal Solid State Drive (SSD)

Pros: I've owned this for about 9 months now and it's been rock solid and super faster without any problems.

Cons: None this far.

Did you find this review helpful? Yes No

  • Robert W.
  • 12/27/2013 1:25:17 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsUpdated review with 4 months use

This review is from: SAMSUNG 840 Series MZ-7TD250BW 2.5" 250GB SATA III Internal Solid State Drive (SSD)

Pros: It still reads pretty quick. I think it's biggest feature that gives it an edge over other brands is the SMART support but you have to use Samsung Magician to get the SMART statistics.

Cons: The sustained and random write speeds have completely tailed off. That's a bit of an understatement to be fair. When I first got this SSD, the sustained write was hovering around 235 MB/s while the random write was about 57000 IOPS. Now after 4 months of use (a couple of complete wipes and re-installs of Win 7 due to some upgrades), the sustained write is 135 MB/s and random write is 11100 IOPS. I also due run between 80-90% capacity all the time though. It seems like the closer it runs to 100% capacity, the more the performance tails off on write speeds.

Other Thoughts: Overall it seems to be hanging in there quite a bit. I wasn't expecting write performance to take such a hit but at the end of the day, this is a boot and game drive for a pure gaming rig, write speeds don't need to be real high. When it comes to booting up and running games, read speeds is what matters the most and the read performance has decreased a little but the bulk of it is still there. Massive thumbs up for that. I was thinking about getting another soon to put into RAID 0 but if prices still remain high for an older product then I'll probably get a 840 Evo. I'm still going RAID 0 because I would like the extra capacity. Also I was planning on writing a updated review after 1 years of use.

1 out of 2 people found this review helpful. Did you? Yes No

  • R T.
  • 12/20/2013 11:35:39 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsSamsung 840 Series 2.5" 250GB Sata III SSD

This review is from: SAMSUNG 840 Series MZ-7TD250BW 2.5" 250GB SATA III Internal Solid State Drive (SSD)

Pros: - SSD speeds, While it Lasted.
- Data Migration Software CD Included.

Cons: - Failed 24 Hours after Finishing Installation.
- Totally Non-Recoverable Data Loss.
- Wasted 14 Hours of Tech Time.

Other Thoughts: I had just finished doing an install in a Lenovo TS140 Thinkserver. The server was Loaded with Windows 7 Pro and all the Software to make the clients Uber-Media Server. I had the box sitting there for 24 hours turned on. When I went back to check it out prior to boxing it up, the system was crashed. The BIOS would Post but the server would not Boot the OS.

After troubleshooting everything else, I switched out the Samsung 840 SSD with another SSD (OCZ) that was already preloaded with an OS and Software. The server booted right up and was fine.

This is clearly a case of infant mortality and can happen to any manufacturer. I am just a little disappointed since I had spent 14 hours worth of time to Load the OS, Software, and all the drivers particular to this build. All gone! I have never had a failure of an SSD before like this.

I started another install with another Samsung 840 (120GB this time) SSD and I had problems getting that one to be recognized by the TS140 server.

I contacted Samsung and they sent an e-mail with request for more information before they would issue an RMA.

I have used OCZ, Sandisc, Crucial, and Intel SSD's without any of these problems. I have had OCZ Vertex 3 SSD's running in servers that run 24/7 for more than a year with no problems at all.

The Samsung SSD's are not inexpensive compared to other SSD's so I really cannot recommend them to anyone since they don't seem to have the reliability or features that make them worthwhile over other brands. I do not think I will be purchasing more Samsung SSD's in the future.

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

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Item#: 9SIA0AJ1080166
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