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Intel Core i9-10000 HEDT “Core-X” Processors Confirmed By ASUS, Up To 48 PCIe Gen 3 Lanes – ROG Rampage VI Extreme Encore X299 Powerhouse Unveiled Too
Intel Core i9-10000 HEDT “Core-X” Processors Confirmed By ASUS, Up To 48 PCIe Gen 3 Lanes – ROG Rampage VI Extreme Encore X299 Powerhouse Unveiled Too-April 2024
Apr 1, 2026 11:55 AM

Yesterday, ASUS announced their latest X299 refresh motherboards which are designed for the next-generation Intel Core i9-10000 X-series processors. The Intel Core i9-10000 series line is the successor to the Core i9-9000 series HEDT processors built for the LGA 2066 socket. The CPUs were already announced to get refreshed later this year and ASUS has pretty much confirmed this in their new product pages for the X299 refresh motherboards.

ASUS Confirms Intel Core i9-10000 Core-X Series HEDT CPUs - Unveils Refreshed X299 Boards Including the X299 Rampage VI Extreme Encore Behemoth

During Gamescom 2019, ASUS announced their refreshed X299 motherboards for Intel's Core-X processors. These motherboards include the newly designed ROG Rampage VI Extreme Encore, ROG STRIX X299-E Gaming II and the Prime X299-A-II. ASUS already offered some pretty high-end designs such as their PRIME X299 Edition 30 and the ROG Rampage VI Extreme Omega. However, ASUS has managed to fit even more features in their refreshed lineup.

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Before we get into details of each specific motherboard, the ASUS specifications page for their new X299 lineup specifically mentioned that they will support Intel's Core i9-10000 X-Series processors. The new Core-X lineup is based on the Cascade Lake-X design and will feature processors with up to 18 cores and 36 threads. The same page also mentioned up to 48 PCIe Gen 3 lanes which are an upgrade from the current 44 PCIe Gen 3 lane design.

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Intel Core i9-10000 series Core-X processors get listed by ASUS on their official product pages. (Image Credits: Momomo_Us)

Intel HEDT Processor Families:

Intel HEDT FamilySapphire Rapids-X? (Sapphire Rapids Expert)Alder Lake-X? (Sapphire Rapids Mainstream)Cascade Lake-XSkylake-XSkylake-XSkylake-XBroadwell-EHaswell-EIvy Bridge-ESandy Bridge-EGulftown
Process Node10nm ESF10nm ESF14nm++14nm+14nm+14nm+14nm22nm22nm32nm32nm
Flagship SKUTBATBACore i9-10980XEXeon W-3175XCore i9-9980XECore i9-7980XECore i7-6950XCore i7-5960XCore i7-4960XCore i7-3960XCore i7-980X
Max Cores/Threads56/112?24/4818/3628/5618/3618/3610/208/166/126/126/12
Clock Speeds~4.5 GHz~5.0 GHz3.00 / 4.80 GHz3.10/4.30 GHz3.00/4.50 GHz2.60/4.20 GHz3.00/3.50 GHz3.00/3.50 GHz3.60/4.00 GHz3.30/3.90 GHz3.33/3,60 GHz
Max Cache105 MB L345 MB L324.75 MB L338.5 MB L324.75 MB L324.75 MB L325 MB L320 MB L315 MB L315 MB L312 MB L3
Max PCI-Express Lanes (CPU)112 Gen 565 Gen 544 Gen344 Gen344 Gen344 Gen340 Gen340 Gen340 Gen340 Gen232 Gen2
Chipset CompatiblityW790?W790?X299C612EX299X299X99 ChipsetX99 ChipsetX79 ChipsetX79 ChipsetX58 Chipset
Socket CompatiblityLGA 4677?LGA 4677?LGA 2066LGA 3647LGA 2066LGA 2066LGA 2011-3LGA 2011-3LGA 2011LGA 2011LGA 1366
Memory CompatiblityDDR5-4800?DDR5-5200?DDR4-2933DDR4-2666DDR4-2800DDR4-2666DDR4-2400DDR4-2133DDR3-1866DDR3-1600DDR3-1066
Max TDP~500W~400W165W255W165W165W140W140W130W130W130W
LaunchQ4 2022?Q4 2022?Q4 2019Q4 2018Q4 2018Q3 2017Q2 2016Q3 2014Q3 2013Q4 2011Q1 2010
Launch PriceTBATBA$979 US~$4000 US$1979 US$1999 US$1700 US$1059 US$999 US$999 US$999 US

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