|The new Intel X38 Express replaces the 975X Express, which launched over a year ago with Intel’s Presler Netburst processors. The new chipset introduces new features to Intel’s high-end enthusiast and workstation platform such as PCIE 2.0 and DDR3 memory.|
New to the Intel X38 Express is support for dual full-speed PCIe 2.0 x16 slots. The dual PCIe 2.0 slots are compatible with AMD’s CrossFire technology for multi-GPU graphics processing. Motherboard manufacturers are also free to equip Intel X38 Express based boards with a third physical PCIe 2.0 x16 for triple-play physics. Due to chipset limitations, the third physical PCIe 2.0 x16 slot has lesser lanes, with most manufacturers opting for four lanes.
DDR3 is the only officially supported memory for the Intel X38 Express. Intel touts DDR3-1333 memory for X38 Express motherboards. DDR2 memory support has been removed officially from the X38 Express, however, the memory controller can still function with DDR2, just without Intel validation. The DFI LANParty X38-T2R will pair DDR2 support with the Intel X38 Express chipset.
The Intel X38 Express also supports upcoming Intel Penryn-family dual and quad-core processors with front-side buses up to 1333 MHz.