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The main types of Hard Drives found in your average "run of the mill" computer today are SATA, SSD and to a much lesser extent now, IDE. By run of the mill, I'm talking about branded computer desktops like Dell and HP, or pre-built no-name IBM Clones that you might purchase from any computer store. IDE drives, though still available and used in some builds due to their cheap prices, are pretty much defunct today.
Let's take a brief look at a "basic" definition and comparison of these three Hard Drive technologies.
So they're the three most common type of Drives that are found in most computers today. There are others, like SCSI (Small Computer System Interface) to name just one, but going into them is beyond the scope of this article's purpose.
A technology I will be touching on however is a RAM Disk Drive. An emulated Hard Drive created in your "Random Access Memory" space where installations can be made and not lost. Highly useful if you are fortunate enough to have tons of RAM in your system like me. More on that later on..
How fast are my drives?
There's a huge difference when it comes to discussing theoretical speeds of a drive, as opposed to actual speed performances that you can realistically expect to get. A lot depends on your mainboard capabilities and configuration, as well as other hardware that's installed in your computer. So the best way is to test the performance of "your" installed drives is to use a speed testing utility.
Enter an excellent and freely downloadable utility named Parkdale which eliminates theoretical speeds and instead provides actual speed performance reports on your Hard Drives for you.
Speed performance measurements include QuickAccess, FileAccess and BlockAccess. Parkdale measures the actual sequential read and write speed performance and of all your Hard Disks.
Random QD32 read/write speeds are also measured, however these tests can be skipped by simply holding down your Ctrl key when clicking the programs "Start" button.
The reason you might want to skip the QD32 tests is that they're not particularly useful for real life scenarios and just take additional time to run. QD stands for "Queue Depth" so the software also measures "separate thread" transfer speeds. Information not of much use for our purposes. I only include the results that I got below for the sake of completeness. More in depth info on this measurement can be gleaned from this Wikipedia article.
Parkdale will also report on the speeds that you're getting with your CD-ROM drive.
Links to grab your own free copy of this program are included below.
Parkdale is also standalone and fully portable software. It does not need installation. Simply extract it from the downloaded Zip file and double click the extracted "Parkdale.exe" to run it. Handy if you want to carry it around with you on a USB stick.
Some Sample Tests
Tests were conducted in the following order:
1. The first test conducted was on what I expected to be one of the the slowest drives attached to my system. A 3TB Seagate SATA drive connected to my computer via a USB 3.0 port.
As expected, the results were pretty ordinary and nothing to write home about.
Now that was a bit of a surprising result. Though it out performed the USB attached external drive, the margin of speed increase isn't anywhere near as much as I might have expected it to be.
3. Let's compare the last two results by running the same tests on my Samsung SSD System Drive..
As we would expect, now we're starting to get some respectable speeds. But take a look at the Random QD32 tests though. Interesting!
4. The final test was on a simulated disk drive created with RAMDisk software. It is essentially a Hard Drive in my Volatile Random Access Memory space.
Now we're talking! Check out those Read / Write speeds :)
So why is that drive so fast? Because it's not a real hard drive in the physical sense. It was created (or emulated) with software. Here's how Piriform's Speccy Software sees the drive: "3GB Dataram, Inc. RAMDiskVE (RAM Disk)"
I have 20GB of Dual-Channel DDR3 Memory installed in this machine, running at 665Mhz. With that much RAM to play with, I can easily spare 4GB (or even 8GB) for a RAM Disk Drive. I can install and run software applications in that drive at speeds that just aren't possible with a physical drive. But you don't need to go crazy on RAM like I have to benefit from this sort of technology. Even with the standard 4GB found in most computers today, you can still quite easily have a 1GB RAM Drive for occasional use and take advantage of the huge speed benefits.
RAMDisk by developers DataRam is free for personal use. The free version only allows for RAMDisks up to 1GB in size to be created, but that's still plenty for some games or other software applications that you want to enjoy running at super high speeds. Or consider the benefits of redirecting your systems %temp% folders to your RAM Drive and save a ton of daily wear and tear on your SSD drive. If your system is getting a bit on the old side, but you have plenty of unused ram available, this could give your computer a seriously noticeable performance boost.
1. Download RAMDisk and save the installation file to your download folder just like any other download
2. Double click the Dataram_RAMDisk_x_x_x_RC36.msi file to begin the installation
3. Read and Accept the License Agreement and click the Install button
4. Click the Finish button to exit the RAMDisk setup Wizard - Leave "Launch RAMdisk after installation" ticked to begin using the new software immediately.
Creating your First Ram Disk
In the following example, I'll be showing you how to create a Volatile RAM disk so you have something to play around with until you get used to using a RAM drive. One that will not retain information if your computer crashes or if you restart Windows.
If you didn't leave the "Launch RAMdisk after installation" option ticked when you finished the install, just click the RAMDisk Configuration Utility from your Windows Programs menu. The following utility windows will pop up..
1. Click the drop down button that has "load a save image" written on it and select "create a new unformatted disk"
2. The utility defaults to suggesting a 40 Megabyte Ram Drive after installing so you have something to play around with, but you're not going to be able to do too much with that size. Change it to something higher, like..
Once you hit the "Start RAMDisk" button above, an unformatted Ram Drive will be created in the size you specified. For this example, I selected to go with creating a 512 MB Ram Drive.
3. You should get the following PopUp - Click the OK button
4. Windows Disk Management utility should also appear automatically. If it doesn't, then open it manually. See below..
5. Click the OK button above to accept an MBR (Master Boot Record) partition style and then scroll down until you find the unformatted Ram Disk entry in Disk Management that you've just created. See next screen shot.
Note: You can close the Dataram RAMDisk Configuration Utility at this point if you like.
6. Right click the Unallocated Basic Disk entry in Disk Management and Click "New Simple Volume..."
7. The New Simple Volume Wizard opens. Just click Next >
8. Leave Specify Volume Size at defaults and click Next >
9. Select any desired Drive Letter as shown above, like R for Ramdisk. I'll leave mine as "J" as it happens to be my next available drive letter. Click the Next > button when ready to proceed..
10. Defaults are fine here, but you may like to type in a new Volume label: like RAMDISK. Once happy, click the Next > button.
11. You've now completed all the required steps. Review your selected settings and if happy, click the "Finish" button.
12. If you have AutoPlay enabled, the window above will popup as Windows recognises that a new Hard Drive has been installed. Click "Open folder to view files" and you're ready to start experimenting with your new turbo speed charged Ram Drive.
Finally, don't forget to close the Disk Management utility shown above by clicking the X in the top right corner.
That's all there is to it ! Start playing around with your new Ram Drive and doing your own speed tests to see just how much quicker such a drive can be.
This has only been a quick introduction to Ram Drives in general. In the future, I will be writing an article and/or Mini Video Tutorials about a variety of useful things you can do with a Ramdisk, such as pointing a browser's temporary files to RAM and save, instead of having them constantly fill your physical hard disk all the time. I'll also go into more details about how to create and use a Ram Drive which will retain information between Windows restarts.
If you found this article to be interesting and helpful, please do click that thumbs up button below. It really helps me out. You're also encouraged to leave your comments and feedback below.
Till the next time...