Intel originally planned to replace the new packaging interface LGA1851 with this year's Meteor Lake, which is the first-generation Core Ultra. However, because the Intel 4 process was not powerful enough, the Meteor Lake-S desktop version was eventually cancelled. Judging from the exposed samples, the packaging interface is indeed new.Next year, Intel will launch the next generation of Arrow Lake, which is expected to be called the second generation Core Ultra. The manufacturing process will be upgraded to the new Intel20A, which will enter the nanometer era for the first time, which can be roughly understood as equivalent to 2nm.
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Arrow Lake will eventually use the LGA1851 interface, and there will be a new motherboard chipset, which will be the 800 series as expected.
Igor'sLAB has now obtained the design drawings of the LGA181 interface, and based on this, it has produced a 3D rendering of the interface socket and motherboard chipset, which is very intuitive.
Slot top view
Slot front side view
Slot back side view
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Chipset front view
Chipset rear view
The LGA1851 platform is expected to abandon support for DDR4 memory, and the PCIe5.0 bus channels will be increased from 16 to 20, which can meet the needs of one graphics card and one or more SSDs.
But at the same time,The motherboard chipset still does not have PCIe5.0, but it will double the number of PCIe4.0 lanes to 24 and cut off PCIe3.0.