Accessory RAID Controller Performance
Source: THG – Keywords: x48, motherboard, comparison
Accessory RAID Controller Performance
All tested motherboards included a third-party Ultra ATA/SATA controller with RAID capabilities, which the majority of users will connect to a DVD or CD optical drive. Yet many of the boards provide External SATA connections through the added-in controller, and a few might want to use eSATA for backups. Thus, the man upstairs (no, the other man upstairs) demanded that we gauge the performance of each system’s third-party controller in the highest-bandwidth configuration: RAID Level 0.
Access times might not be very important for mass storage or optical drives, yet the test is part of the H2benchw suite. Those interested will find that all four add-in controllers are roughly equal to Intel’s integrated ICH9R controller in this test.
The ICH9R transfers data at significantly higher speed than any of the third-party controllers, even though the added-in parts all sit on a PCI Express interface that affords up to 250 megabytes per second bandwidth in each direction simultaneously. The Gigabyte and Asus controllers are both supplied by JMicron, so the similar results were expected.
The JMicron JMB363 controller of the Asus P5E3 Premium somehow manages to approach the performance of the integrated Intel ICH9R controller in H2benchw’s Read Transfer Rate test.
Asus and Gigabyte’s write transfer rates are nearly identical in H2benchw, which is unsurprising given the similar (or possibly identical) technology. We’re still trying to figure out how Asus pulled off the huge gain in H2benchw read transfer rates, however.
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Its no suprise that the manufacturers didn't really bother with a major redesign because this is the last of the current Intel architectures before we move to the CSI memory link in the upcoming CPUs. I say embrace the X48 and enjoy the greatest performance that Socket 775 will ever be able to deliver. Besides since when can you disagree with releasing a validated chipset in favour of overclocking? Some people just want a bloody good board that runs perfectly stable - we are not all overclockers you know (plus there is the issue of possibly invalidating warranties when overclocking is done)