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Crucial m4 512GB 2.5-Inch (7mm) SATA 6Gb/s Solid State Drive CT512M4SSD1

4.2 out of 5 stars 66 customer reviews
| 7 answered questions

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512 GB
  • Super slim - New 7mm z-height, 2.5-inch solid-state drive
  • Performance - Improve boot up and application load times
  • Reliability - Withstand extreme shock and vibration
  • Compatibility - SATA 6Gb/s, backward compatible to SATA 3Gb/s
  • Quality - Crucial is a trusted name in the memory market
2 new from $277.77 1 used from $125.00

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Product Features

Size: 512 GB
  • RAM: 6 GB
  • Hard Drive: 512 GB
  • Operating System: Windows
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Product Description

Size: 512 GB

The Crucial m4 SSD, in a 7mm z-height form factor, delivers unparalleled performance for today's new thin & light form factor laptops without sacrificing capacity, performance or quality. Designed for the rigors of mobile computing, the m4 SSD delivers faster boot and application load times enhancing your overall experience. And because we're part of Micron, the m4 was built entirely in-house with Micron-produced NAND, ensuring you'll get one of the highest quality products available.

Product Information

Size:512 GB
Product Dimensions 0.8 x 5.1 x 5.1 inches
Item Weight 5 ounces
Shipping Weight 7 ounces
Manufacturer Crucial
ASIN B006MQQC0I
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Item model number CT512M4SSD1
Customer Reviews
4.2 out of 5 stars 66 customer reviews

4.2 out of 5 stars
Best Sellers Rank #940 in Computers & Accessories > Data Storage > Internal Solid State Drives
Date first available at Amazon.com February 9, 2012

Warranty & Support

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 256 GB
When upgrading to a solid state drive, you imagine that you will be able to see an improved performance and quick boot. This product not only achieves record speeds, it surpasses my expectations. Worth the cost.

Be aware of one issue with the Crucial m4 SSDs. A bug in the firmware was discovered on early firmware builds (before version 0309) that cause the SSD to brick after 5182 hours of runtime. It is very important to update the firmware following instructions available on Crucial's website. The bug specifically is an error that occurs when the SSD writes to the SMART counter after 5182. Without the update, your computer will BSOD every hour until the firmware is updated.

Even with the "doomsday clock" bug, I still give it 5 stars.
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Size: 256 GB Verified Purchase
I have always trusted Crucial memory and that was a major influence on my choice to go with a Crucial SSD. Second factor was the M4 has a 6Gb/s interface. The boot speed and overall performance of my laptop is remarkable. Having no moving parts makes for a super quiet experience. Plus I don't have to worry about picking up my machine and moving it while its running since there is no spinning hard drive platter to disturb.

While I have not yet tried fully running down the battery with the SSD, based on the estimated battery runtime I have gained about 25%. I used to see 4 hours with a fully charged battery and a 7200rpm hard drive. Now I see 5+ hours estimated with the SSD when the machine starts up unplugged. And I am sure I can spend time tweaking the power settings to squeeze more life on a charge but I don't normally run for long stretches on battery. But now I supposed I could!

The Windows "Experience Index" that has a max score of 7.9 in each category now shows 7.9 for my primary hard disk transfer rate. I guess this is a good as it gets as far as Microsoft is concerned.

Is an SSD worth the cost: YES. Absolutely.
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Size: 512 GB Verified Purchase
My Lenovo T420S requires a 7mm drive.

This fits the bill, but after two drives, I'm going to have to give it one star.

I bought two versions of the drive. One as a kit with a USB 2.0 drive and Apricorn's cloning software. I ran it under Windows 7 and it was a breeze. It was only later that I realized there was an (unbundled/kit) version that had a usb 3.0 adapter.

Transfer and upgrade was a cinch. I did have a couple problems putting the drive in the 7mm slot. Something wasn't lining up right, and I only had this problem with the Crucial drive, not my original HD.

Speed was good, and I got used to it in the two days that I was working with it. Boot time was excellent.

One day, I went to turn on the machine, and I got an error that my system couldn't boot. After several attempts, including removing battery and power, it still wouldn't boot. The bios wouldn't recognize it. I had already done the firmware upgrades to bring it up to 010G, because I had heard of issues with previous firmware versions.

I removed the drive and used both the Apricorn cable, and other sata cables to try and read it, and it just would not be recognized as anything. I tried the same sata cables and used other sata hdd and they were recognized.

I returned it via Amazon, and ordered the same drive, but this time, separately, with a USB 3.0 kit this time.

Same sequence: installed, usb3.0 transfer went much faster, installed the system.

But having read some of the forums, I realized that the power had drained on my laptop, right before the problem. So I ran down the laptop to empty the battery. Then I encountered the same problem.
Read more ›
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Size: 64 GB Verified Purchase
I decided to mod my 13" MacBook with a dual drive setup, using an SSD for my startup volume (OS and Applications) and a larger HDD for documents. This required removing my superdrive; installing the existing hard rive in a caddy that slots in where the superdrive usually goes; and placing the SSD in the original HDD's slot.

The Crucial m4 is an excellent drive for this task. The 6Gb/s speed allows for outstanding startup times, and all of my programs launch almost instantly. The size is small, but paired with a larger HDD I never find myself lacking space.
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Size: 512 GB Verified Purchase
Best SSD I have ever used - I have three of them set up in my homebuilt computer via SATA AHCI. First one holds my Windows 10 Pro OS install, second one holds my downloads and personal files, and third one holds my installed PC games I bought via Steam and other digital distribution stores.
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Size: 512 GB Verified Purchase
I installed this baby on a brand-new PS4. Since I did this before booting any games, it is difficult to determine how load times have varied, but I can vouch for it working just fine on this game console.
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Size: 64 GB Verified Purchase
I needed something low cost and easy to install with minimal power usage.
This took the cake for my needs. I was able to install Windows 7 Standard onto it as well.
Worked right away, no problems whatsoever.
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Size: 512 GB Verified Purchase
crippled with bad blocks. Tried to reformat but same problems occurre after a few weeks. I have already reformatted and reinstalled 4 times. tried to upgrade the firmware to no avail. Expensive piece of junk.
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