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Compact silver mini PC with slim square chassis and subtle branding

ASUS

ASUS NUC15CRSU9 barebone mini PC Core Ultra 9 285H 64GB 2TB

SKU CH-9KW8-0WTRK MPN NUC15CRSU9

A slim barebone mini PC with a Core Ultra 9 285H processor, 64 GB DDR5 memory, 2 TB NVMe storage, Intel Arc graphics, Thunderbolt 4, Wi-Fi 7 and Bluetooth 5.4, supporting four 4K displays

  • Form FactorSlim
  • AI FeaturesAI Ready
  • CPU TypeIntel Core Ultra 9 285H
  • Memory installed64GB
  • Memory slot2 x 262Pin SO-DIMM
  • Memory Type SupportedDDR5 5600

Group 64G RAM / 2TB SSD

  • AI-ready performance with up to 99 TOPS from Intel Core Ultra 9 285H
  • Quiet operation thanks to advanced thermal design with 1.2x reduced noise
  • Fast wireless connectivity via Wi-Fi 7 and Bluetooth 5.4
  • Compact 0.7L chassis allows tool-free memory and storage upgrades
  • Quad 4K display support through HDMI 2.1 and Thunderbolt 4

ASUS NUC 15 Pro+ barebone mini PC

The ASUS NUC 15 Pro+ NUC15CRSU9 is a .7L slim barebone mini PC powered by an Intel Core Ultra 9 285H processor with integrated Intel Arc graphics. It ships with 64GB of DDR5 5600 memory in dual-channel configuration and a 2TB NVMe SSD installed. The platform supports up to 96GB of total memory across two 262-pin SO-DIMM slots and includes a second M.2 2242 NVMe PCIe x4 slot for storage expansion. Connectivity covers Thunderbolt 4, HDMI 2.1, 2.5Gbps LAN, Wi-Fi 7 and Bluetooth 5.4.

Suits compact workstations and multi-display signage

This unit suits users who need a quiet, small-footprint system that can drive up to four 4K displays via HDMI 2.1 and Thunderbolt 4 for productivity, digital signage or light AI workloads. The 99 TOPS NPU and 18% faster generation-on-generation CPU performance help with local inference tasks. Buyers who require discrete graphics cards, additional PCIe add-in cards or more than two M.2 slots should consider a larger chassis. The slim form factor also limits internal storage to the two M.2 drives provided.

Verify power, display cables and mount space

Before ordering, confirm that your power source matches the unit’s external power adapter requirements and that you have the necessary HDMI 2.1 or Thunderbolt 4 cables for your display layout. Check that the .7L chassis can be mounted or placed in your intended location with adequate airflow for the ultra-quiet cooling design. Ensure your operating system and drivers support Wi-Fi 7 (802.11be) and Bluetooth 5.4 to use the wireless features fully.

Highlights

  • AI-ready performance with up to 99 TOPS from Intel Core Ultra 9 285H
  • Quiet operation thanks to advanced thermal design with 1.2x reduced noise
  • Fast wireless connectivity via Wi-Fi 7 and Bluetooth 5.4
  • Compact 0.7L chassis allows tool-free memory and storage upgrades
  • Quad 4K display support through HDMI 2.1 and Thunderbolt 4

Specifications

BrandASUS
SeriesNUC 15 PRO+
ModelNUC15CRSU9
Form FactorSlim
AI FeaturesAI Ready
CPU TypeIntel Core Ultra 9 285H
Memory installed64GB
Memory slot2 x 262Pin SO-DIMM
Memory Type SupportedDDR5 5600
Max Memory Supported96GB
Dual Channel Memory SupportedYes
Storage Installed2T
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
Input150W
Dimensions144mm x 112mm x 42mm
Weight1.3 lbs
PackagingVESA Mount & Screws / AC Power Adapter/ Power Cord

Other versions of this model

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

Questions about this item

What display connections do I need on my monitors to use the HDMI 2.1 and Thunderbolt 4 ports for four 4K screens?

You need monitors with HDMI 2.1 inputs for the HDMI port and Thunderbolt 4 or USB-C DisplayPort Alt Mode inputs for the Thunderbolt ports. Both carry 4K at 60 Hz.

Will my existing 2.5 Gbps Intel i226V network switch work with the built-in LAN port at full speed?

Yes. The onboard Intel i226V controller runs at 2.5 Gbps, so a 2.5 Gbps switch will link at that rate.

After assembly, how do I confirm the 64 GB of DDR5 5600 memory is running in dual-channel mode?

Open Task Manager → Performance → Memory and verify "Slots used: 2 of 2" and speed shows 5600 MHz.

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