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Igor’s Laboratory Just lied on Intel’s upcoming LGA1700 and LGA1800 sockets. Confidential technical drawings show that although the cooling manufacturer can adjust the existing LGA1200 CPU cooler to fit the LGA1700 socket, in some cases this may not be the best idea.
So far, Alder Lake processors will be plugged into LGA1700 socket. The number of pins increased by 41.7%, and the LGA1700 socket will adopt a rectangular shape, which is different from the traditional square design of Intel’s previous LGA115x and LGA1200 sockets. Allegedly, Alder Lake uses a 37.5 x 45 mm package. Therefore, some vendors are developing new installation kits so that existing LGA115x users can recycle the cooling solution on the LGA1700 socket when needed.
For some CPU coolers, especially those that use direct contact with heat pipes, Alder Lake’s rectangular body will prove to be a problem. The location of the heat pipe may not optimally cover the critical area of ​​Alder Lake because the cooler is not designed for the shape of the chip. On the other hand, the AIO liquid cooler should work normally, depending on how the CPU water block is designed. The rectangular design of the water block has micro channels that flow through the entire integrated heat sink (IHS).
The author Igor Wallossek believes that a liquid cooler designed for AMD’s Ryzen Threadripper or Intel’s Xeon processor is possible. AIO liquid coolers with smaller and round CPU water blocks may experience problems with cooling Alder Lake.
For reference, the motherboard hole pattern on the existing LGA1200 socket is 75 x 75mm. However, the LGA1700 socket pushes the measured value up to 78 x 78 mm. However, the new ratio will make some CPU coolers unusable as a whole.
In addition to the size change, the Z height of Alder Lake has also undergone major changes. Z-height refers to the distance from the top of the motherboard PCB to the top of the processor IHS. For LGA1200, the Z height is 7.312 to 8.249 mm. Intel reduced the Z height of the LGA17000 from 6.529 to 7.532 mm, so it is obviously lower. This means that the installation pressure has also changed.
Chinese retailers (via Oversized) LGA1700 sockets have been sold on popular Chinese platforms, such as Taobao $5.42Although the LGA1700 socket will use a new cover to protect the pins, it is reported that the latch mechanism remains the same.On the subject of pins, they are arranged in two L-shaped areas and are aligned with The layout of the leaked Alder Lake chip.
If the chart is accurate, Intel may include its unique round radiator in Alder Lake. The design looks the same as the one that chip manufacturers have been using. Obviously, due to the difference in the distance of the mounting holes, you cannot use the previous Intel radiator with Alder Lake, and vice versa.
The LGA1700 socket is expected to accommodate Intel’s two next-generation processors: Alder Lake and subsequent Raptor Lake. Strangely, the processor cover shows “LGA-17xx / LGA-18xx”, suggesting that Intel will continue to adopt a rectangular design.
Whether LGA1800 will exist is still unknown, let alone what Intel planned for it.If we look Rumored roadmap, The rumored 7nm Meteor Lake should be the next one after Raptor Lake. If so, then LGA1700 may be just a stepping stone, and Intel will update the socket to support future processors. The cover of the Taobao list claims to be compatible with LGA1700 and LGA1800. This seems to indicate that even if Intel adds 100 pins to the socket, the size should remain the same.
Alder Lake will be an interesting processor release because its hybrid design is the first to welcome DDR5 era. The potential launch time frame for Alder Laker is from late 2021 to early 2022.
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