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Item #: 9SIV06X3385035

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

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    Top Favorable Review

    Upgrade the firmware!

    Blazingly fast - benchmark puts it at a maximum of 533Mbit/sec with the correct SATA3 drivers installed! Except for the issue noted below, I have had zero problems with this drive. Read more
    — Dylan B. 7/1/2012

    Top Critical Review

    Does not recover well from power outages

    Fails to recover from power outages. Every time (and I mean every time, 4 for 4) there is a power outage with the computer it on, the bios has trouble recognizing the SSD. I bought 2 of these for 2 different systems and both systems saw this. ... Read more
    — Bryan R. 4/18/2013

    Learn more about the Crucial CT128M4SSD2

    Customer Reviews of the Crucial CT128M4SSD2

    Do you own this product? WRITE A REVIEW

    4 out of 5 eggs Based on 850 Reviews

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    • andrew b.
    • Verified Owner

    5 out of 5 eggs reliable ssd

    Pros: Ive had this ssd for over a year and have never had any problems with it.

    Cons: none

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    • Jeffrey H.
    • Verified Owner

    5 out of 5 eggs

    Pros: Speed & reliability

    Cons: None

    Bottom Line: Bought two of these on 11/23/12. Have been running them in RAID 0 for three years with heavy, daily usage. Zero issues. Great product!

    Did you find this review helpful? Yes No

    • Brian R.
    • Verified Owner

    5 out of 5 eggs Still works

    Pros: Still works, no problems. 2.5 years old

    Cons: Sometimes I wish I could have bought an SSD with more space, but this still makes turning it on and running programs a lot faster.

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

    • Ken E.
    • Verified Owner

    5 out of 5 eggs Still working without any problems

    Pros: Have been running 2 of these in Raid 0 since 2/6/2012 and still havent had any problems even after them being formatted several times over the years.

    Cons: Weird that the price hasnt dropped much

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    • Joshua B.
    • Verified Owner

    2 out of 5 eggs Lasted me 4 years

    Pros: worked very fast while it lasted

    Cons: well 4 years later it is dying on me. keeps crashing but reconnects randomly so hopefully i can retrieve my data before it becomes useless. Limited warranty ran out last year :(

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    • Christopher R.

    1 out of 5 eggs unreliable trash

    Pros: it's fast

    Cons: it's junk. totally unreliable. with this SSD as your system drive you will start to have random blue-screens and reboots and have no idea it's caused by the SSD unless you keep up with the CRUCIAL forums. It's a known issue that is supposedly addressed by a firmware update. But it still did it after the firmware update, and only got worse over time. Then one day the BIOS stops detecting it and you can't boot up at all and your data is inaccessible.

    Bottom Line: Don't use this SSD for anything CRUCIAL.

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

    • Brent S.

    1 out of 5 eggs Product failed, terrible support

    Pros: Product worked at times. Randomly turned off and usually had to wait a few minutes to a few hours for it to power back up. Happened on 2 motherboards, 2 power supplies, and 2 Windows 7 installs.

    It was fine when it worked. Nothing to write home about but it also wasn't bad.

    Cons: My problem is with how they supported it. For me, it's not about the problem but what you do to resolve it. Support is what Crucial severely lacks.

    It started when I spoke with the support. After I explained everything I did to troubleshoot it he began to suggest things he thought I needed to do. All of those things I already did which makes me think he wasn't even listening. After that he told me the drive probably failed because I don't let it idle enough. He said whenever an SSD is sitting idle it begins to do some garbage clean up and because it's my OS drive I should be booting in to the BIOS and letting it sit for 4+ hours every couple of days to prevent this. I have never read that anywhere and that paired with some of the other things he said made me feel like he didn't really know much about the product.

    Finally, he told me I could RMA it but he doesn't recommend it. He said that even though I have ~8 months left in my warranty I should try using it for the next 12-18 months to see if the SSD is really the problem. He told me even though my warranty would be expired they will still support me because "you can just tell them Crucial Support said it was alright". Yeah right!

    I set up the RMA and they send about 5 emails. The first 2 were "Thanks for resetting your password" (I don't even have an account). Then they sent me an invoice saying the replacement will ship soon as well as having another few paragraphs of gibber-jabber. They also had sent another email that had several paragraphs of stuff but ~75% seemed redundant. A week later I realized that even though it said it was shipping soon I needed to put a credit card on hold. This is fine and I did see it buried in the novel they sent me but I feel the information should be a little easier to read to avoid minor issues like this in the future.

    I then call up, give my RMA number, and credit card info. The guy says we're all good and I should expect it in a few days. I wait 2 weeks because it's the holidays and I figured they were slow (+ I had better things to do than hold their hand). When I email them they say I need to give them my CC info to process the advanced replacement. I tell them I did and they say they never got the call. I forwarded them a screenshot of my call history as well as the detailed history (call time/time, length, etc) and they claim they still do not see a record of it. They even said they look through the entire call log for the time my screenshot showed.

    I called in with my CC info and they processed it (email confirmation). I would like some compensation (maybe a bigger drive?) because this took a month in total but they really didn't care to hear about that. They just apologized and said they usually have great support but I have yet to see it.

    Bottom Line: Buyer beware that it might pay to spend an extra ~$15 for a company like Intel or Samsung who is more grateful for their customers.

    What's worse is I had just bought a Crucial M500 about a month before this happened. Had I know this is what I had in store should the drive ever fail I would have avoided them.

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    • JAMES D.
    • Verified Owner

    4 out of 5 eggs Still going strong after 2 years of use (crossing fingers and knocking on wood)

    Pros: It's an SSD. System speed and start up times are noticeably faster compared to more traditional, disc-based hard drives.

    I remember performing lots of research when I originally bought this SSD. At the time (mid-2012), the Crucial M4 product line had what seemed to be the least failure rates when compared to other SSD brands.

    My M4 SSD is still functioning to this day (crossing fingers and knocking on wood).

    Cons: The price. I remember paying $200-$250 for this SSD a couple of years ago. Posting this review on Newegg, I see that the price for this listing has not changed much since I bought it.

    Considering that I just recently bought another Crucial 250 GB SSD for $110 (a different product listing than this one), I consider the pricing for this specific product a serious rip-off. Thus, I am subtracting one egg.

    Bottom Line: People who are commenting about their SSD failure rates need to understand that all SSDs fail eventually. And when they fail (trust me, they will), they fail in such a way that renders the entire device useless.

    I believe SSD technology still has a long road ahead of it with regards to lifespan improvements. Those interested in making the jump to an SSD need to understand that no matter the product/brand you choose, it's very likely that the SSD will fail within a 4-year time frame. For those unwilling to accept this risk, I recommend just sticking with a traditional hard drive.

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    • Greg S.
    • Verified Owner

    1 out of 5 eggs SSD Fail!

    Pros: Very fast, booted up my computer in about 10 seconds or so.

    Cons: This drive outright failed before its 2 year mark. Blue screens of death started occurring, and eventually it outright failed. Can't even boot from it anymore.

    Bottom Line: I don't recommend getting this product, nor buying anything from crucial. Their customer support is horrible, they make up "excuses" as to why they can't provide a replacement. STAY AWAY!

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

    • Jeremy C.
    • Verified Owner

    2 out of 5 eggs SSD Not being recognized in Bios

    Pros: Low price, fast.

    Cons: This SSD has only lasted me a little over a year before it started to fail. Speed tests in windows index factor have decreased 2 points over the last year. It also will not load in bios more often.

    Bottom Line: Not a good SSD. DO not Buy!

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    Item #: 9SIV06X3385035