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Small silver slim mini PC with tool-less chassis

ASUS

ASUS NUC15CRKU5 barebone mini PC Core Ultra 5 225H

SKU CH-AA7K-QRKDV MPN NUC15CRKU5

Barebone mini PC ready for up to 96GB DDR5, Intel Arc graphics, Thunderbolt 4, Wi-Fi 7 and quad 4K output

  • Form FactorSlim
  • AI FeaturesAI Ready
  • CPU TypeIntel Core Ultra 5 225H
  • Memory installedNo Memory
  • Memory slot2 x 262Pin SO-DIMM
  • Memory Type SupportedDDR5 5600

Group 64G RAM / 2TB SSD

  • 14-core Intel Core Ultra 5 225H reaches 4.90 GHz for responsive compute
  • Supports 96 GB dual-channel DDR5-6400 for heavy multitasking
  • Intel Arc graphics plus vPro security protect business workloads
  • Drives four 4K displays via dual HDMI 2.1 and Thunderbolt 4 with DP 2.1
  • 48 L tool-less chassis enables quick upgrades in minimal space

Ready-to-configure mini PC

The ASUS NUC15CRKU5 is a slim barebone system built around the Intel Core Ultra 5 225H processor with 14 cores and Intel Arc graphics. It targets professionals and enthusiasts who want a compact 0.48L chassis that supports up to four 4K displays and includes Intel vPro for managed environments. Buyers who need discrete graphics cards or larger internal drive bays should look elsewhere.

Tool-less access simplifies upgrades

The chassis opens without tools, exposing two 262-pin SO-DIMM slots for dual-channel DDR5 5600 memory up to 96GB and two M.2 slots — one 2280 and one 2242 — both wired for NVMe PCIe storage. No memory or storage is included, so the first boot requires user-supplied modules; forgetting to seat both DIMMs for dual-channel operation is the most common oversight.

Verify your parts before ordering

Confirm you have DDR5 5600 SO-DIMMs — other DDR generations will not fit — and NVMe SSDs in 2280 or 2242 form factors. The system provides dual HDMI 2.1 ports and Thunderbolt 4 with DisplayPort 2.1 for video, 2.5Gbps LAN, Wi-Fi 7 and Bluetooth 5.4 for connectivity, and 7.1-channel audio. Ensure your monitors and cables match the available outputs.

Highlights

  • 14-core Intel Core Ultra 5 225H reaches 4.90 GHz for responsive compute
  • Supports 96 GB dual-channel DDR5-6400 for heavy multitasking
  • Intel Arc graphics plus vPro security protect business workloads
  • Drives four 4K displays via dual HDMI 2.1 and Thunderbolt 4 with DP 2.1
  • 48 L tool-less chassis enables quick upgrades in minimal space

Specifications

BrandASUS
SeriesNUC 15 PRO
ModelNUC15CRKU5
Form FactorSlim
AI FeaturesAI Ready
CPU TypeIntel Core Ultra 5 225H
Memory installedNo Memory
Memory slot2 x 262Pin SO-DIMM
Memory Type SupportedDDR5 5600
Max Memory Supported96GB
Dual Channel Memory SupportedYes
Storage InstalledNo Hard Drive
M.2 Slot1 x M.2 2280 NVMe PCIe G4x4 SSD
1 x M.2 2242 NVMe PCIe x4 SSD
Discrete Graphic CardIntel Arc Graphics
Onboard AudioIntegrated
Channel7.1 Channel
LANIntel i226V
Max LAN Speed2.5Gbps
Wireless LAN802.11ax
WiFi GenerationWi-Fi 7
BluetoothBluetooth 5.4
Front USB1 x USB 3.2 Gen2x2 Type-C
2 x USB 3.2 Gen2 Type-A
HDMI2 x HDMI 2.1 (up to 4K@60Hz)
Thunderbolt2 x Thunderbolt 4 (with DP1.4 / 5V/3A, 40Gbps)
Rear USB1 x USB 3.2 Gen2 Type-A (5V/0.9A, 10Gbps)
1 x USB 2.0 Type-A (5V/0.5A, 480Mbps)
RJ451 x Intel 2.5G LAN (RJ45)
Other Rear Ports1 x Kensington
1 x DC-in
Input120W
Dimensions117mm x 112mm x 54mm
Weight1.3 lbs
PackagingVESA Mount & Screws / AC Power Adapter/ Power Cord

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How can I verify the Intel Core Ultra 5 225H is running at its 4.90 GHz boost after installing memory and storage?

Enter the BIOS on first boot to confirm the processor is detected with 14 cores and 18M cache, then use Windows Task Manager or Intel Processor Diagnostic Tool to observe the 4.90 GHz turbo frequency under load.

Which DDR5 SO-DIMM modules and M.2 NVMe SSDs do I need to buy separately for this barebone unit?

Purchase two 262-pin DDR5-5600 SO-DIMMs up to 96 GB total for dual-channel operation, plus one M.2 2280 PCIe Gen4 x4 NVMe SSD and optionally one M.2 2242 PCIe x4 NVMe SSD for the second slot.

Should I choose the single 2280 slot or add a 2242 drive for the second M.2 position?

Use the 2280 slot for your primary high-capacity boot drive; add a 2242 NVMe SSD only if you need a separate data volume, as both slots support PCIe Gen4 x4 speeds.

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