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Crucial M4 CT128M4SSD2 2.5IN 128GB SATA III MLC Internal Solid State Drive (SSD)

Crucial M4 CT128M4SSD2 2.5IN 128GB SATA III MLC Internal Solid State Drive (SSD) - 1
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Crucial M4 CT128M4SSD2 2.5IN 128GB SATA III MLC Internal Solid State Drive (SSD) - 60445_l.jpg Customer Photos (0)
Reg. Price: $134.99  CAD
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   Shipping Weight:   0.2 lbs
   Part #: CT128M4SSD2
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Features    [ Edit | History ]

Designed for client computing, the Crucial m4 SSD delivers faster boot and application load times for mobile and desktop users alike. Low power, lightweight, and durable, it empowers high-speed synchronous MLC NAND, advanced controller technology, optimized NAND management, and the second-generation SATA 6Gb/s interface. Together, that technology dramatically improves data transfers for bandwidth-demanding applications.

Quick Specs:
Storage Capacity 128 GB
Limited Warranty 3 Year
Weight (Approximate) 2.60 oz
Drive Type Internal
Height 0.4"
Width 2.8"
Depth 4"
Green Compliant Yes
Green Compliance Certificate/Authority RoHS
Maximum Read Transfer Rate 415 MBps
Maximum Write Transfer Rate 175 MBps
Drive Interface SATA
Drive Width 2.5"
Drive Interface Standard SATA/600

Specifications    [ Edit | History ]
Drive Performance  
     Maximum Read Transfer Rate: 415 MBps
     Maximum Write Transfer Rate: 175 MBps
General Information  
     Brand Name: Crucial
     Manufacturer: Crucial
     Manufacturer Part Number: CT128M4SSD2
     Manufacturer Website Address:
     Product Model: CT128M4SSD2
     Product Name: m4 MLC Solid State Drive
     Product Series: m4
     Product Type: Solid State Drive
     Drive Interface: SATA
     Drive Interface Standard: SATA/600
     Certifications & Standards:
  • CE
  • UL
  • FCC

     Green Compliance Certificate/Authority: RoHS
     Green Compliant: Yes
Physical Characteristics  
     Depth: 4" (101.6 mm)
     Drive Height: 1/8H
     Drive Type: Internal
     Drive Width: 2.5"
     Durability: Shock Proof
     Height: 0.4" (10.2 mm)
     Weight (Approximate): 73.7 g
     Width: 2.8" (71.1 mm)
Technical Information  
     Storage Capacity: 128 GB
     Limited Warranty: 3 Year


Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding CRUCIAL TECHNOLOGY CT128M4SSD2 reviews.
Experience: 1 Years
-fast start up
I bought this a year ago to replace a dying ssd drive i had. The M4 improved the overall performance of my computer. I would highly recommend this reliable ssd to anyone.

Experience: 20 Months
fast and reliable
not the fastest SSD on the market
I've been running this SSD in my system 24/7 for over a year now and haven't had a single issue with it. It may not be the fastest on the market but it definitely gets my vote for reliability.

Experience: 1 Days
 Verified Owner
Small, easy to manoeuver
Box looked shabby
Very good, fast, can't argue with that !

Do what it's announced to do, not so much for storage ( of course ! ) Would buy again for future builds.

Dont miss this if it's under a 100$ ! Raid 0 would be hell-fast with those.

Gets on windows 7 very fast from the boot. Makes the video gaming experience so much more seamless and fun.

Experience: 1 Months
 Verified Owner
Fast, trouble free and reliable. Speeds are actually slightly faster than advertised
the label side actually faces the mounting screws when installed in a normal HDD tray. This does not affect performance in any way
Obtained this SSD recently from NCIX for under $100 with free shipping. At that price, I cannot complain. This was used to replace an older Kingston V100 SataII 64GB.

For those curious about packaging, this comes in a sturdy cardboard box with a formed plastic tray to hold the SSD. The drive itself is wrapped in an antistatic bag. No extra hardware, mounting screw, case mounting tray, cables or software is included.

At the sub-$100 price range, there were several 120-128GB SSD's available. The Kingston V300's and Adata's based on Sandforce, the proprietary Samsung 840's (non-pro) with TLC memory and these Crucial/Microns with MLC and Marvell Controllers. My Kingston never had an issue since day 1 but it gave an AS SSD score of only 86-88 (iastore 86; msahci 88). Kingston chips and controllers have been all over the place and they wont even completely identify the claimed 19nm Toshiba(?)Toggle mode MLC's used in the new V300's. I've read issued with SandForce controller-based SSD's and whether these issues have been solved or not, I would probably wait till there is a more definitive consensus. Non-pro Samsung 840's are high on top of my list but I'm still not sold on the TLC longevity. Granted, I would probably need or have long replaced the TLC drive before I go anywhere near the actual life expectancy, but a little bit of assurance doesn't hurt. So marvell + MLC it is !

The CT128 M4 crucials were definitely a big step up with an AS SSD score of 658 using amd_sata on an 880G based motherboard.

From Crucials' website: Model CT128M4SSD2
unformatted capacity: 128GB
sequential read (up to) 415 MB/sec on Sata 6Gb/s
sequential write (up to) 175 MB/sec
Random 4K read 40,000 IOPS
Random 4K write 35,000 IOPS

MEASURED performance using AMD_SATA
Fw: 070H
sequential read 482.39 MB/sec
sequential write 192.81 MB/sec
Random 4K read 55,012 IOPS
Random 4K write 34,279 IOPS

As you can see, only the 4K write falls slightly below claimed specs

Data migration from Kingston SSD to Crucial SSD was done using Seagate Disc Wizard (by Acronis). I did not do a full reinstall to see if there would be any adverse issue and figured I would only reinstall if any issues crop up. So far none !

The only weird thing is how crucial has the blue M4 label on this drive. On most SSD's that I've used/seen/installed, the mounting holes are on the bottom side of the drive with the label facing out. With the crucial M4 that I received, the drive actually mounts with the sticker/label facing towards the screws (this means that you wont see the fancy blue sticker when mounted normally in the case). Mounting it the other way around would be a bit more involved since the Sata and power connectors are oriented in reverse. This does not affect drive usability or performance in any way, shape or form.

Overall, the drive performed better than expected. No issues were encountered during data migration and performance has seen a big bump over the SataII only Kingston SSD. Definitely a highly recommended product.

Experience: 1 Years
-its a solid performing drive
-no glitches no hassles
Its a solid drive overall. Although its a solid drive, there are newer drives that perform better. nevertheless, a solid drive

Experience: 1 Years
Reliable, Silent, Cool-running
Slightly slower than current top-tier performers
This is the best SSD drive due to its great reliability and decent transfer speeds. It may not be the fastest out there, but it has a proven track record. During my usage over the past year, I have never experienced a BSOD.

Experience: 1 Months
 Verified Owner
Price, fast
Very good SSD; only minor complain is the 3 years warranty. Intel 520 (I believe) comes with a 5 years warranty.

Experience: 1 Weeks
 Verified Owner
Passed test of time, Known for reliability.
Not as fast as some newer drives particularly in write speeds.
I bought this drive over the Samsung 840 (non pro)because of all the positive reviews and people swearing by the reliability of this crucial m4. I have no complaints, except I'm stuck using it on an older X58 build.

Experience: 3 Months
 Verified Owner
doesnt seem to heat up
price is not bad as far as ssd's go
some firmware problems reported (mine is fine)
would still like to see all drives go to ssd :P
Love this drive. I have my os, and multiple games on it and i love it. I havent had any problems with it so far, though i do hear there are some firmware updates that should be installed.

Fits where it should like most drives, doesnt seem like it is cheaply built or anything.

would definatly pick up another one if they go on sale

Experience: 3 Weeks
 Verified Owner
These drives are super fast
I installed two of these in a RAID 0 array and they are super fast. Windows 7 boots up within seconds and overall performance is awesome. I would not hesitate in buying more of these for future builds.

 NCIX Forum Messages

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Messages about Crucial M4 CT128M4SSD2 2.5IN 128GB SATA III MLC Internal Solid State Drive (SSD)

SSD in a 6 year old machine (enyaw- Apr 13, 13, 14 Replies) Read this message
regular pricing (quandrei- Mar 14, 13, 5 Replies) Read this message
Is this really BO for 1 month now ?? (Spawnkiller- Jan 15, 13, 2 Replies) Read this message
Works for Mac mini (late 2012) ? (Stephane_D- Dec 17, 12, 4 Replies) Read this message
Acronis Image HDD->SSD Okay? (FragYourFriends- Nov 23, 12, 7 Replies) Read this message
Upgrade the Firmware or not? Confused (Louis-Francois_M- Nov 20, 12, 2 Replies) Read this message
Mounting bracket? (Tony_D- Sep 29, 12, 3 Replies) Read this message
Price drop? (Chris_T- Sep 24, 12, 7 Replies) Read this message
ssd compatability (Reginald_M- Aug 28, 12, 6 Replies) Read this message
Warranty length 1 or 3 years? (Dorian_F- Aug 16, 12, 3 Replies) Read this message
anything to know before i receive my ssd? (Dwarrior- Jun 21, 12, 4 Replies) Read this message
this or the muski chronos deluxe (Sunny_H- May 14, 12, 7 Replies) Read this message
M4 + ASUS P8P67 causing lock ups (Jordan_T- Apr 26, 12, 36 Replies) Read this message
7mm or 9.5mm? (Hoa_T- Apr 14, 12, 4 Replies) Read this message

Post a New Message  |    All Messages       Browse NCIX Forums

Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.
Reviews from the Web

Below are reviews found on other web sites for this product submitted by customers.

Comment: A roundup featuring Crucial's m4 128GB SSD
Posted by: Brandon_H @07/19/12
Comment: a short review from the uk
Posted by: bethred @06/30/12
Comment: gives a silver award to this ssd
Posted by: bethred @06/30/12
Comment: another good review of M4 ssd :)
Posted by: bethred @06/30/12
Posted by: Jeremy_B @01/11/12
Posted by: Jeremy_B @01/11/12
Submit a review link   |   Latest 30 reviews
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