Crucial m4 - solid state drive - review: Crucial m4 - solid state drive -

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CNET Editors' Rating

4 stars Excellent
  • Overall: 8.0
  • Design: 8.0
  • Features: 8.0
  • Performance: 8.0
  • Service and support: 8.0

Average User Rating

2 stars 1 user review
Review Date:
Updated on:

The Good The Crucial m4 solid-state drive is competitively priced and offers fast performance. The drive supports SATA 6Gbps and works in all SATA-based storage applications.

The Bad The Crucial m4's performance could be better comparatively, and it doesn't come with a drive-bay converter to work with desktop computers.

The Bottom Line So far, the Crucial m4 offers the best value among SSDs. Though it's not the fastest, it's by far the most affordable among its peers.

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Crucial m4

Sharing the same design and interface as most of the other solid-state drives we've reviewed, the Crucial m4 stands out where it matters most: the price. It's still much more expensive than a traditional hard drive, but the m4 is the most affordable SSD on the market, especially its top-capacity 512GB version. In fact, its cost per gigabyte is low enough for us to look past its comparatively slow performance and the fact that it doesn't include a drive-bay converter to fit in a desktop computer.

If you are looking for an SSD to upgrade your system with, be it a laptop or desktop, at its street price of around $440 for 256GB (or $220 for 128GB and $800 for 512GB), the Crucial m4 will make a totally worthwhile investment.

Design and features

Drive type 2.5-inch solid state
Connector options SATA 3Gbps, SATA 6Gbps
Available capacities 64GB,128GB, 256GB, 512GB
Product dimensions 9.5mm, 2.5-inch standard
Capacity of test unit 256GB
OSes supported Windows, Mac, Linux

Like the rest of the SSDs we've reviewed, the Crucial m4 has the same shape, dimensions, and port design as a standard SATA 2.5-inch laptop hard drive, so it will work in any application where these hard drives would be used. We tried the drive with a few different computers and different operating systems (Mac, Windows, and Linux), and the drive worked well with all of them. For desktop computers, we were able to use the drive while leaving it unscrewed in the drive bay, as it has no moving parts and is very light. It would be better, however, if it came with a drive-bay converter, the way the OCZ Vertex 3 does.

The Crucial m4 supports RAID configurations and has an estimated mean time between failures of 1.2 million hours. This means that with normal usage the drive can easily outlast the rest of your computer's components.

Similar to other high-end SSDs and hard drives, the Crucial m4 supports the latest SATA 3 (6Gbps) standard but also works with the popular SATA 2 (3Gbps) standard. To get the most out of it, obviously, using it with SATA 3 is recommended. When used with a computer with an SATA 2 controller, however, the drive also offered a great performance improvement in our trials.

Cost per gigabyte
The scariest thing about SSDs is the price, and the Crucial m4's is the easiest to swallow in this regard, though not really easy enough for most of us. The m4's 256GB version costs around $440, which translates into $1.72 per gigabyte. Its 512GB version is even cheaper at just $1.56 per gigabyte. For comparison, the Vertex 3 costs $2.17 and $3.76 per gigabyte for the 240GB and 480GB, respectively.

Compared with traditional hard drives, however, the Crucial m4 is still very expensive, as most hard drives cost just a few cents per gigabyte.

Internal hard drives' cost per GB (based on current street price)
Cost per GB  

Performance
We test SSDs in real-world usage, both when the reviewed drive is used as the main drive, which hosts the operating system of the test computer, and when it's used as the secondary drive, which is used only to store data. Some of our tests gauge the performance of the system as a whole and see how the drive affects its performance. Our data copy tests, however, show the drive's raw data transfer speed when used in real-world scenarios after all overheads. Our test system uses the latest chipset, RAM, and processor, and is equipped with built-in SATA 3 controllers to show the drive's top performance.

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Where to Buy

Crucial m4 2.5" SSD (512GB)

Part Number: CT512M4SSD2
Pricing is currently unavailable.

Quick Specifications See All

  • Regional specs shown for US. UK specs are unavailable.

  • Form Factor 2.5" x 1/8H
  • Hard Drive Type internal hard drive
  • Interface Type Serial ATA-600
  • Capacity 512 GB