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Item#: N82E16820148443

Crucial M4 CT256M4SSD2 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)

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Learn more about the Crucial CT256M4SSD2

General

Brand
Crucial
Series
M4
Model
CT256M4SSD2
Device Type
Internal Solid State Drive (SSD)
Used For
Consumer

Physical

Form Factor
2.5"
Capacity
256GB
Memory Components
MLC
Interface
SATA III
Controller
Marvell
Height
9.5mm
Width
69.85mm
Depth
100.5mm
Weight
75g

Performance

Sustained Sequential Read
Up to 500MBps (SATA 6Gbs); 265MBps (SATA 3Gbs)

Sustained Sequential Write
Up to 260MBps (SATA 6Gbps)
4KB Random Read
Up to 45,000 IOPS
4KB Random Write
Up to 50,000 IOPS
MTBF
1,200,000 hours

Features

Features
Integrated 8-channel single chip Controller

Self-monitoring, analysis, and reporting technology (SMART) command set

RAID Support

Average Access Time < 0.1 ms

Data Reliability: Built-in EDC/ECC

Environmental

Power Consumption (Idle)
< 85 mW
Power Consumption (Active)
0.16W
Operating Temperature
0°C ~ +70°C
Storage Temperature
-40°C ~ +85°C
Max Shock Resistance
1500G

Manufacturer Warranty

Parts
3 years limited
Labor
3 years limited

Quick Info

Warranty

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


Customer Reviews of the Crucial CT256M4SSD2

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  • Vincent L.
  • 3/13/2014 11:50:33 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

This review is from: Crucial M4 CT256M4SSD2 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)

Pros: Fast fast fast. Switched to SSD and will never go back.

Cons: none

Did you find this review helpful? Yes No

  • Kyle E.
  • 3/1/2014 9:03:39 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsIssues

This review is from: Crucial M4 CT256M4SSD2 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)

Pros: Quick, well priced.

Cons: Incompatible with two motherboards in a row. First motherboard wouldn't always recognize the drive unless powered off first. Second motherboard, the drive keeps spiking to 100% activity for, locking up the computer. This thing actually sat as a paperweight for quite a while while I used a mechanical drive due to the issues I was having. I just didn't want to deal with this drive's issues.

Other Thoughts: I bought this because of the good reviews, but it seems like there's a lot of people having issues with this drive. I wish I would have purchased a SSD from a different manufacturer.

Did you find this review helpful? Yes No

  • Anthony M.
  • 12/17/2013 1:57:19 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsDead after a couple years

This review is from: Crucial M4 CT256M4SSD2 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)

Pros: Fast

Cons: The drive just stopped working. Kept on giving errors and now the thing doesn't show up at all on any of my computers.

Other Thoughts: I thought the SSD were supposed to last. But just like anything else these days, it doesn't.

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

  • Eric C.
  • 11/29/2013 9:39:09 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

This review is from: Crucial M4 CT256M4SSD2 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)

Pros: super fast

Cons: none

Did you find this review helpful? Yes No

  • Matt W.
  • 11/23/2013 9:10:00 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggs11 Months - Failed

This review is from: Crucial M4 CT256M4SSD2 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)

Pros: Got it at a great price. For day-to-day operations it worked perfectly.

Cons: 11 Months in I have received a warning that it is failing. Hope my backup completes before it kicks out. I have too much to do.

Other Thoughts: This was the second SSD I've bought and I was ALWAYS fearful of their fail rates since we read about them so often. Hard to decide if I want another.

Did you find this review helpful? Yes No

  • William M.
  • 11/20/2013 7:38:52 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsFailed after 8 months

This review is from: Crucial M4 CT256M4SSD2 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)

Pros: Fast

Cons: Unreliable, even with 70H firmware. This is the 3rd (out of 4) M4 SSD that's failed without warning on me.

Crucial has been good about RMA, but this is a waste of time.

Did you find this review helpful? Yes No

  • Rowen W.
  • 11/13/2013 11:30:16 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsExcellent, while it lasted!

This review is from: Crucial M4 CT256M4SSD2 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)

Pros: Fast SSD! Had no problems in the first year and six months.

Cons: Experienced locked drive, then hanging, then it kicked the bucket.

Did you find this review helpful? Yes No

  • Thomas K.
  • 11/13/2013 5:28:49 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsworks like a charm

This review is from: Crucial M4 CT256M4SSD2 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)

Pros: Using this in a Lenovo W520 and haven't had any issues. I imaged the original 500gb drive with apricorn.

Cons: None.

Other Thoughts: Had to update firmware, which is always a prudent thing to do so it's not a con.

Did you find this review helpful? Yes No

  • Kostiantyn K.
  • 11/11/2013 1:02:18 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsKeep up good work, Crucial

This review is from: Crucial M4 CT256M4SSD2 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)

Pros: My 3rd M4 and all 3 are still working fine!

Even the old firmware seems to be pretty good (but it is better to upgrade anyway - the upgrades are super easy unlike some other ssds)
Silent (my 4 year old C300 generated some high pitched noise in headphones).
Easily survived ~3000 reboots (due to a bug in bios the computer continuously kept going to sleep and back online for a few days)

Cons: is it ever going to catch up with HDDs in $/GB?

Did you find this review helpful? Yes No

  • Mike L.
  • 11/7/2013 8:22:45 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsDrive failure, just under 1yr light usage

This review is from: Crucial M4 CT256M4SSD2 2.5" 256GB SATA III MLC Internal Solid State Drive (SSD)

Pros: Effective and efficient. Performance was as expected.

Cons: Total drive failure approximately 11 months after installation. Used as an OS-and-Steam drive in a light traffic personal computer. No longer recognized by BIOS on any port.

Other Thoughts: Despite light usage, I loved the idea and the performance, right up to the point where it stopped working. Still willing to give SSD a chance, but probably not Crucial.

Did you find this review helpful? Yes No

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Item#: N82E16820148443
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