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Tall black mini PC barebone with toolless chassis

ASUS

ASUS RNUC15CRHU70890U barebone mini PC, Core Ultra 7 255H, 32GB DDR5, 1TB NVMe

SKU CH-RM2F-0ETCM MPN RNUC15CRHU70890U

Pre-configured mini PC barebone with 16-core Intel Core Ultra 7 255H, 32 GB DDR5, 1 TB NVMe, Wi-Fi 7, Bluetooth 5.4, Thunderbolt and 2.5 Gbps LAN

  • ColorBlack
  • Form FactorTall
  • CPU TypeIntel Core Ultra 7 255H
  • CPU Cores16-Core (6P+8E+2LP)
  • CPU Feature24 MB Intel Smart Cache
  • Memory installed32GB
  • Ready for AI workloads with 16-core Core Ultra 7 255H processor
  • 32GB DDR5 5600 memory and 1TB PCIe Gen4 NVMe SSD pre-installed
  • Wi-Fi 7 and Bluetooth 5.4 deliver up to 2.4× faster wireless speeds
  • Tool-less 2.0 chassis enables quick upgrades and 2.5Gbps LAN connectivity
  • Intel Arc 140T graphics drives four 4K displays via HDMI 2.1 and Thunderbolt 4

ASUS NUC 15 Pro Tall Mini PC

The ASUS NUC 15 Pro Tall is a barebone mini PC powered by an Intel Core Ultra 7 255H processor with 16 cores and 24 MB Smart Cache. It arrives with 32GB of DDR5 5600 memory and a 1TB PCIe Gen4x4 NVMe SSD installed. Integrated Intel Arc 140T graphics drive up to four 4K displays via HDMI 2.1 and Thunderbolt 4. The system ships without an operating system.

Advanced cooling with tool-less access

A revised 2.0 chassis design allows tool-less entry for memory or storage upgrades. The cooling solution is engineered for 24/7 operation and has passed MIL-STD-810H torture testing for extreme environments. Intel Wi-Fi 7 (802.11be) and Bluetooth 5.4 provide wireless connectivity, while a 2.5Gbps Intel i226V LAN port handles wired traffic. Front USB includes a 20Gbps Type-C port and two Type-A ports.

VESA mount and headless display emulation

A VESA mounting bracket is included for behind-monitor or wall installation. Headless display emulation lets the system run without a connected screen, useful for remote access or server roles. A new sync power-off feature automatically turns off attached displays to reduce energy use. Eco-friendly packaging completes the bundle.

Highlights

  • Ready for AI workloads with 16-core Core Ultra 7 255H processor
  • 32GB DDR5 5600 memory and 1TB PCIe Gen4 NVMe SSD pre-installed
  • Wi-Fi 7 and Bluetooth 5.4 deliver up to 2.4× faster wireless speeds
  • Tool-less 2.0 chassis enables quick upgrades and 2.5Gbps LAN connectivity
  • Intel Arc 140T graphics drives four 4K displays via HDMI 2.1 and Thunderbolt 4

Specifications

BrandASUS
SeriesNUC 15 Pro
ModelRNUC15CRHU70890U
Part Number90AS00K2-M006J0
ColorBlack
Form FactorTall
CPU TypeIntel Core Ultra 7 255H
CPU Cores16-Core (6P+8E+2LP)
CPU Feature24 MB Intel Smart Cache
Memory installed32GB
Memory slot2 x 262Pin SO-DIMM
Memory Type SupportedDDR5 5600
Storage Installed1TB, M.2 2280 PCIe Gen4x4 NVMe SSD
Integrated GraphicsIntel Arc 140T Graphics
LANIntel i226V
Max LAN Speed2.5Gbps
Wireless LAN802.11be
WiFi GenerationWi-Fi 7
BluetoothBluetooth 5.4
Front USB1 x USB 3.2 Gen2x2 Type-C (20Gbps)
2 x USB 3.2 Gen2 Type-A
HDMI2 x HDMI 2.1 (up to 4K@60Hz)
Thunderbolt2 x Thunderbolt 4 (DP2.1 & USB4)
Thunderbolt 3Thunderbolt 4
Rear USB1 x USB 3.2 Gen2 Type-A
1 x USB 2.0 Type-A
RJ451 x Intel 2.5G LAN (RJ45)
Other Rear Ports1 x Cable Locking Arm
Power Supply120W AC Adapter
Dimensions2.13" x 4.61" x 4.41"
Weight0.8 lb.
PackagingVESA Mount & Screws / Power Adapter / US Power Cord
Shipping weight1.36 kg
Package size183 × 152 × 127 mm

Questions about this item

How do I open the tool-less 2.0 chassis to install more RAM or an additional NVMe drive?

Press the release latch on the tall chassis to lift the cover without tools, then insert DDR5 5600 SO-DIMMs into the two 262-pin slots or add a second M.2 2280 PCIe Gen4x4 NVMe SSD.

What components will need replacement after years of 24/7 operation?

The internal cooling fan is the only moving part; plan to clean or replace it periodically, while the soldered 32 GB DDR5 and 1 TB NVMe SSD have no user-serviceable wear items.

Which limit appears first when the Core Ultra 7 255H runs sustained heavy workloads?

The advanced cooling system manages thermals for the 16-core processor and Arc 140T graphics, so the 2.5 Gbps Intel i226V LAN becomes the first throughput bottleneck during large file transfers.

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