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Intel 335 Series 180GB SSD Review
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Intel 335 180GB SSD
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by Robert Tanner on March 18, 2013 in Solid-State Drives

Looking for a mainstream SSD but need help deciding which to choose? Is that $10 difference really worth it? Who’s got the most reliable SandForce based-SSD around? Why does Intel have so many SandForce SSDs anyway? All these questions and more are answered within!

Real-World: Batch Tests

Real-world results are surprisingly hard to come by when testing SSDs. It is extremely easy to showcase just how much faster any SSD on the market is compared to even a modern mechanical disk drive. However, when we try to compare SSD to SSD, differences can amount to just a few seconds or even a fraction of a second, often well inside the margin of error (and human reflexes), making any results obtained meaningless.

We are always eager to hear about any demanding storage workloads our readers may have, but in an effort to get around this problem, we have put together three batch test files that target three levels of intensity.

Firstly we have our light batch file, which we drop into the Windows Startup folder. Windows 7 will execute and load various programs and commands as it boots, making it perhaps the most easily pertinent of our three tests. Almost everyone has an array of programs that starts with their OS, ranging from background applications like anti-virus to programs like a browser or music player.

This batch file will load four websites in Firefox, start Photoshop CS5 and load five 5MB or greater images, and load 15MB of data in Word, Excel, and Powerpoint documents. Several background utilities will also load; a PDF file and compressed file are opened for viewing, and of course, since nobody likes to work without listening to some music, we have our favorite 56MB FLAC file playing the entire time. Obviously, all of this takes place while Windows 7 itself is still loading. We start timing from the moment the machine is powered on to the moment the last program finishes loading – and it isn’t as long as you might think. (We provide raw cold boot times on the next page for direct comparison).

Our medium batch test is similar although we apply the use of timers to space apart the commands. Instead of booting, time begins from the moment we execute the batch file until the moment all tasks have completed. The medium test also consists of the following:

  • Playback of a 56MB FLAC music file in Winamp
  • 50 ~8MB JPEGs queued to open in Photoshop CS5 64-bit
  • Launching of Adobe Lightroom
  • Opening of three Excel, three Word, and one PowerPoint files (various large sizes; for example one Excel file consists of a 72MB database)
  • Browsing to four different websites in Firefox
  • Copy of a 4.5GB file to a separate location on the same drive
  • Viewing of two PDF documents & compressed archives
  • Execution of multiple small system utilities

To keep things simple, the heavy batch test is identical to the medium test in all respects, save for one important addition. Computer users coming from HDDs will be familiar with the slowdown or even molasses-like feeling that occurs from having an anti-virus or anti-malware scan running in the background. SSDs scoff at this sort of thing however, and the typical SSD user wouldn’t think twice about running an anti-virus scan at the same time as playing a fullscreen game since framerates will remain relatively unaffected.

The heavy test will capitalize on this by running an anti-virus scan from Microsoft Security Essentials on a static, unchanging 5.1GB test folder that contains 19,748 files and 2,414 sub-folders copied from the Program Files directory. Also worth noting is that because the medium and heavy batch tests are identical save for the AV scan, results between them are directly comparable.

Light batch results are mixed but the 335 does well here. For the medium batch tests it slips behind and ties the m4 with 93 seconds. But once we throw in the AV scan, the higher queue depth optimizations that Intel favors kick in and let it shave 15 seconds off the m4′s heavy batch time. Overall, the 335′s heavy scenario result compares favorably for a mainstream drive and slots in significantly better than the also-SandForce powered V300.


  • johndoe

    This is a decent drive but it comes with old 25nm Intel flash. The new revision of Vertex 3 comes with Intel 20nm MLC, which improves performance, reduces power consumption and increases reliability.

    • Kougar

      The only difference between the 335 and the 330 is in fact the NAND flash. The Intel 335 Series does use Intel’s 20nm MLC flash.

      • johndoe

        When you’re buying the drive off the shelf, you don’t know whether it’ll have 20nm or 25nm Intel ONFI MLC.

        It’s said that the drive comes with 20nm but that is NOT clear.

        You have absolutely no guarantee that ALL drives or YOUR drive will come with 20nm flash.

        That said, if you want a REALLY, really good SSD, then I got a Solidata X7 for sale.

        Heh.