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Snippet from Wikipedia: Rocket Lake

Rocket Lake is Intel's codename for its 11th generation Core microprocessors. Released on March 30, 2021, it is based on the new Cypress Cove microarchitecture, a variant of Sunny Cove (used by Intel's Ice Lake mobile processors) backported to Intel's 14 nm process node. Rocket Lake cores contain significantly more transistors than Skylake-derived Comet Lake cores.

Rocket Lake features the same LGA 1200 socket and 400-series chipset compatibility as Comet Lake, except H410 and B460 chipsets. It is accompanied by new 500-series chipsets as well. Rocket Lake has up to eight cores, down from 10 cores for Comet Lake. It features Intel Xe graphics, and PCIe 4.0 support. Only a single M.2 drive is supported in PCIe 4.0 mode, while all the rest are wired via PCIe 3.0.

Intel officially launched the Rocket Lake desktop family on March 16, 2021, with sales commencing on March 30. The 11th generation Core i3, as well as Rocket Lake-based Pentium Gold and Celeron CPUs were not included along with the higher-end models; instead, Intel launched refreshed models for Comet Lake Core i3 and Pentium Gold CPUs. These processors have the same characteristics as their original parts, albeit with a 100 MHz higher frequency and the last digit of their model numbers changing from zero to five. Intel also released Tiger Lake processors as part of the 11th generation lineup in the desktop/NUC and tablet market. Such processors have the new B suffix in the model names.

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Snippet from Wikipedia: LGA 1200

LGA 1200 is a zero insertion force flip-chip land grid array (LGA) socket, compatible with Intel desktop processors Comet Lake (10th gen) and Rocket Lake (11th-gen) desktop CPUs, which was released in April 2020.

LGA 1200 is designed as a replacement for the LGA 1151 (known as Socket H4). LGA 1200 is a land grid array mount with 1200 protruding pins to make contact with the pads on the processor. It uses a modified design of LGA 1151, with 49 more pins on it, improving power delivery and offering support for future incremental I/O features. Pin 1 position remains the same as it was in previous generation processors, but it has shifted socket keying to left (previously it was right), making Comet Lake processors incompatible both electrically and mechanically with previous chips.

ASRock, Asus, Biostar, Gigabyte and MSI have confirmed their motherboards based on the Intel Z490 chipset support the 11th generation Intel Rocket Lake desktop CPUs. Full PCIe 4.0 support is confirmed for selected brands. ASUS did not include support to PCIe 4.0 on M.2, hindering support for PCIe gen 4.0 NVMe SSDs.

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Snippet from Wikipedia: List of Intel chipsets

This article provides a list of motherboard chipsets made by Intel, divided into three main categories: those that use the PCI bus for interconnection (the 4xx series), those that connect using specialized "hub links" (the 8xx series), and those that connect using PCI Express (the 9xx series). The chipsets are listed in chronological order.

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