Intel Beast Canyon NUC 11 Extreme Disassembled – Insane SFF PC With Core i9-11900KB ‘Tiger Lake’ CPUs

Intel's flagship Beast Canyon NUC 11 Extreme PC has been disassembled by MNPCTech, giving us a detailed view of what powers this insane SFF PC. The NUC 11 Extreme aims to be the fastest SFF PC within an 8L footprint and the way it is designed is nothing short of impressive so let's dive into the design and specs.

Intel NUC 11 Extreme 'Beast Canyon' SFF PC Disassembled, Core i9-11900KB CPU & Dual Slot GPU Support

The Intel NUC 11 Extreme 'Beast Canyon' SFF PC comes within an 8L chassis which looks almost like a rectangle with huge mesh plates covering the sides and top of the case. The front features a large plate where the Intel 'SKULL' logo will be showcased with RGB LEDs. On the back is the traditional I/O and power inlet socket coming from the embedded PSU. The power supply itself is an FSP build 'FSP650-57SAB-A SFF' ITX 650W power supply.

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The difference between the Intel NUC 11 Extreme and a standard gaming PC is nominal. The NUC comes within a small 8L chassis which means it has lower cooling potential than say a gaming PC that's been configured in an M-ATX or standard ATX chassis. The extra heat can definitely affect the performance of the hardware and throttle it down to lower clocks. Furthermore, the components are all tightly cramped and you can't expect the top-of-the-line CPU cooling solutions as you'd get on a standard gaming PC. However, previous tests have revealed minimal performance differences between a standard gaming PC and the NUC 11 Extreme.

Intel NUC 11 Extreme 'Beast Canyon' Chassis Disassembly (Image Source: MNPCTech):


'There are a good amount of ports on the NUC 11 Extreme which include:

  • 3 x 4K displays (Intel HUD Graphics)
  • 1 x HDMI 2.0b connector
  • 2 x Thunderbolt 4 ports
  • 1 x Intel 2.5Gb (1225-LM) and/or 10 Gb Ethernet ports (SKU specific)
  • 6 x USB 3.1 Headers, 2 x USB 2.0 Headers

Cooling is provided through three 92mm Cooler Master fans which blow air towards the NUC 11 Compute Element AIC. These fans and the mesh plate can be modified and are user-replaceable. As for graphics support, the Beast Canyon NUC 11 Extreme can house a dual-slot graphics card that is up to 12 inches in length. For additional cooling, Intel has placed an active cooling fan right below the Compute Element which covers a PCIe Gen 4 X4 slot. Right below the shroud for NUC 11's Compute Element are several expansion slots which include:

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  • 3 x M.2 key M slots
  • 1x 42/80 CPU-attached PCIe X4 Gen4 NVMe
  • 2x 42.80 PCH-attached x4 Gen3 NVMe / AHCI or SATA3 SSD

Intel NUC 11 Extreme 'Beast Canyon' Component Disassembly (Image Source: MNPCTech):


The top cover of the Intel Compute Element also exposes the WiFi 6 AX210 x Gbps + Bluetooth v5 module. Details for the NUC 11's Tiger Lake CPU are listed below.

Intel Core i9-11900KB 10nm Tiger Lake Desktop CPU

As the fastest Intel Tiger Lake B-Series offering, the Core i9-11900KB rocks 8 cores and 16 threads. It has a base clock of 3.30 GHz and a boost clock of up to 5.30 GHz (Velocity Boost). The CPU carries 24 MB of total cache and a TDP of 65W (PL1). The CPU features a BGA1787 package & pricing is not mentioned but will be based on the specific designs in which this chip features inside. One thing to notice is that the standard boost speeds are slightly slower compared to the Rocket Lake parts due to a more mature 14nm process node. The CPU is attached to the WM590 chipset which is purely designed for Tiger Lake embedded chips.

Intel 10nm Tiger Lake B-Series 11th Gen Desktop CPUs:

CPU NameCPU FamilyCores / ThreadsBase ClockBoost Clock (1-Core)Boost Clock (All-Core)CacheGraphicsTDP (PL1)TDP (PL2)Price
Core i9-11900KB10nm Tiger Lake8 / 163.30 GHz4.90 GHz (TB 3.0)
5.30 GHz (Velocity)
TBC24 MBIntel Xe 32 EU (256 Cores)65WTBCTBC
Core i9-11900K(F)14nm Rocket Lake8 / 163.50 GHz5.30 GHz4.80 GHz16 MBIntel Xe 32 EU (256 Cores)125W251W$539 US (K)
$513 US (KF)
Core i7-11700B10nm Tiger Lake8 / 163.20 GHz4.80 GHz (TB 3.0)
5.30 GHz (Velocity)
TBC24 MBIntel Xe 32 EU (256 Cores)65WTBCTBC
Core i7-11700K(F)14nm Rocket Lake8 / 163.60 GHz5.00 GHz4.60 GHz16 MBIntel Xe 32 EU (256 Cores)125W251W$399 US (K)
$374 US (F)
Core i5-11500B10nm Tiger Lake6 /123.30 GHz4.60 GHz (TB 3.0)
5.30 GHz (Velocity)
TBC12 MBIntel Xe 32 EU (256 Cores)65WTBCTBC
Core i5-1150014nm Rocket Lake6 /122.70 GHz4.60 GHz4.20 GHz12 MBIntel Xe 32 EU (256 Cores)65W154W$192 US
Core i3-11100B10nm Tiger Lake4/83.60 GHz4.40 GHz (TB 3.0)
5.30 GHz (Velocity)
TBC12 MBIntel Xe 16 EU (128 Cores)65WTBCTBC

All 10nm Tiger Lake B-Series Desktop CPUs feature support for up to 128 GB DDR4-3200 memory and feature Iris Xe onboard graphics. You can pretty much expect all the modern features of Tiger Lake onboard these chips and we look forward to the designs that come up with these, especially the SFF stuff which will include next-gen NUCs. MNPCTech has promised to provide additional run downs on the Intel NUC 11 Beast Canyon SFF PC such as M.2 SSD, DDR4-3200 SODIMM & the GPU installation guide soon.

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