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As with other SSD cache technologies such as the Seagate Momentus XT and even Intel's SRT, the Crucial Adrenaline is said to work best after two or three runs. This gives the drive time to cache the data so that it can be served up much faster. Therefore, we will be providing benchmark results of the Adrenaline after one and three runs.
For comparison, we have included current generation SSDs such as the Intel SSD 510 Series, Intel SSD 520 Series, Crucial m4, and Samsung 830 Series. These SATA 6Gb/s drives were tested on the Sandy Bridge (LGA1155) platform for maximum performance. In addition to flash devices, we've added the Western Digital RE4 1TB HDD.
Our testing suite consists of four synthetic benchmark programs and our own file copying and load time tests. As you likely know, while manufacturers claim impressive peak I/O performance out of the box, this performance can and often does diminish over time. Unlike a conventional hard drive, any write operation made to an SSD is a two-step process: a data block must be erased and then written to.
Obviously if the drive is new and unused there will be nothing to erase and therefore the first step can be bypassed, but this only happens once unless the drive is trimmed. Considering this, we'll test how much performance you can expect to lose over time. We'll examine all drives in their clean, unused state, and then run the HD Tach full benchmark several times to fill the entire drive.
This simulates heavy usage and clearly indicates how performance will be affected after normal long-term use. All the drives in this roundup support the Windows 7 TRIM function, which is meant to counteract these negative effects.
Test System Specs
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