Western Digital WD4000AAKS

The 400 GB Western Digital WD4000AAKS internal hard drive runs at 7200 RPM RPM. This 3.5" drive is designed for use with Windows. The WD4000AAKS is a drive with a 100 MB/s data transfer rate, an 8.9 ms seek time, an 8.9 ms access time, and 16 MB of cache.

400GB 7200RPM 16MB SATA II 3.5"

For the best deal on the Western Digital WD4000AAKS, you'll want to compare prices before you buy. Our list of stores carrying the WD4000AAKS (located below) tracks merchants who often have bargain prices and great sales. At StreetPrices, we want you to have the most accurate information possible. That's why we update our prices as soon as we notice a change — other comparison shopping sites update only once or twice a day.