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March 2013 Vol. 12 No. 1

Pumped up performance: PCIe SSDs

PCIe SSDs offer the best flash performance currently available in your data center computing environment; and now they can be shared among multiple servers as well. As solid-state storage increasingly becomes a storage system alternative, it's becoming universally recognized as the storage performance option. But its performance and near-zero latency can expose weaknesses in the rest of a storage infrastructure, including its backbone, the storage network. How and where solid-state is implemented is a significantly more important decision than it was with any hard drive-based storage systems. Given the cost and expected performance benefits, avoiding the storage infrastructure altogether by placing solid-state directly in line with the server CPU via the PCI Express (PCIe) bus may be the best option. This direct connection to the server CPU has led to the rapid adoption of PCIe-based solid-state drives (SSDs). PCIe SSDs benefit from bypassing the storage network altogether, creating almost no latency when retrieving data via a ...

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