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Small black slim barebone mini PC, empty slots

ASUS

ASUS NUC 15 Pro RNUC15CRKI30000U Core 3 100U barebone mini PC

SKU CH-53SD-1GXMQ MPN RNUC15CRKI30000U

A barebone mini PC with an Intel Core 3 100U processor, two DDR5 SO-DIMM slots supporting up to 96 GB, dual M.2 NVMe bays, 2.5 GbE LAN, Wi-Fi 7, Bluetooth 5.4, Thunderbolt 4 and dual HDMI 2.1 outputs

  • ProcessorIntel Core 3 100U
  • Form factorSlim
  • Wi-Fi standardWi-Fi 7
  • Installed memoryNo Memory
  • RAM slots2 × 262Pin SO-DIMM
  • Supported memorySO-DIMM DDR5-5600 MHz / CSO-DIMM DDR5-6400 MHz

CPU Type Intel Core 3 100U

Version Slim Kit

  • Ready for up to 96 GB DDR5 memory with two SO-DIMM slots
  • Dual M.2 slots accept 2280 and 2242 PCIe 4.0 NVMe drives
  • 5 Gbps Ethernet plus Wi-Fi 7 and Bluetooth 5.4 for fast connectivity
  • Front USB 3.2 Gen 2x2 Type-C and dual Thunderbolt 4 ports deliver high-speed I/O
  • Compact 4.61 x 4.41 x 1.45 inch chassis includes VESA mount

Compact barebone for custom builds

The ASUS NUC 15 Pro RNUC15CRKI30000U is a slim barebone mini PC built around an Intel Core 3 100U processor running at 1.2 GHz. It ships without memory or storage so integrators can choose DDR5 SO-DIMM modules up to 96 GB and two NVMe SSDs. The 90 W power supply is included. This unit suits system builders who want a small footprint and full component control.

Connectivity limited by port selection

Front I/O provides one USB 3.2 Gen 2x2 Type-C and two USB 3.2 Gen 2 Type-A ports. Rear I/O adds two HDMI 2.1 outputs, two Thunderbolt 4 ports with DisplayPort 2.1, one USB 3.2 Gen 2 Type-A, one USB 2.0 Type-A and a single 2.5 Gbps Ethernet jack. Wireless uses Wi-Fi 7 and Bluetooth 5.4. Buyers who need more than one wired network link or additional legacy ports must add docks or adapters.

Memory ceiling decides fit

The board accepts two 262-pin SO-DIMM slots supporting DDR5-5600 or CSO-DIMM DDR5-6400 with a hard maximum of 96 GB. Storage uses one M.2 2280 slot and one M.2 2242 slot, both PCIe Gen4x4 and Gen 5 ready. If a workload requires more than 96 GB of RAM or more than two NVMe drives, this chassis cannot meet the requirement.

How it compares

Measured against everything we stock in Mini PC Barebone Systems, at today’s prices. Recalculated every night.

Price $360.99
Cheaper than about 75% of the 1,735 comparable items (median $564.99).

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Specifications

Product
Brand nameASUS
Product lineNUC 15 Pro
Model nameRNUC15CRKI30000U
Part number90AR00R2-M00200
Product colorBlack
Processor
ProcessorIntel Core 3 100U
Memory
Installed memoryNo Memory
RAM slots2 × 262Pin SO-DIMM
Supported memorySO-DIMM DDR5-5600 MHz / CSO-DIMM DDR5-6400 MHz
Maximum supported memory96 GB
Storage
Installed storageNo Hard Drive
M.2 slots1 x M.2 2280 PCIe Gen4 × 4 NVMe SSD* (empty)
1 x M.2 2242 PCIe Gen4 × 4 NVMe SSD (empty)
*PCIe Gen 5 ready
Graphics
Built-in graphicsIntel Graphics
Connectivity
LAN connectionIntel i226 V
Maximum network speed2.5 Gbit/s
Wi-Fi standard802.11be
Bluetooth support5.4
Ports & slots
Front USB ports1 x USB 3.2 Gen 2 × 2 Type-C
2 x USB 3.2 Gen 2 Type-A
HDMI ports2 x HDMI 2.1 (up to 4K@60 Hz)
Thunderbolt ports2 x Thunderbolt 4 (with DisplayPort 2.1)
Rear USB ports1 x USB 3.2 Gen2 Type-A (5 V/0.9A, 10 Gbit/s)
1 x USB 2.0 Type-A (5 V/0.5A, 480 Mbit/s)
Ethernet port1
Power
Power supply90 W
Size & build
Form factorSlim
Product dimensions4.61 in × 4.41 in × 1.45 in
Product weight0.79 lb (0.36 kg)
Shipping weight1.18 kg
Package size183 × 152 × 127 mm

Other versions of this model

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Questions about this item

Which DDR5 speed should I choose between 5600 MHz SO-DIMM and 6400 MHz CSO-DIMM?

The board supports SO-DIMM DDR5-5600 MHz and CSO-DIMM DDR5-6400 MHz up to 96 GB total; pick 5600 MHz SO-DIMM for standard modules or 6400 MHz CSO-DIMM if you can source the smaller form factor.

What does the 1.2 GHz base clock on the Core 3 100U mean for everyday workloads?

The 1.2 GHz base frequency is the guaranteed minimum across all six cores; actual speeds rise with thermal headroom, so typical office and web tasks run smoothly while sustained loads will throttle to stay within the 90 W power budget.

How fast can the M.2 2280 slot actually run with a PCIe 4.0 NVMe drive?

The M.2 2280 slot is wired for PCIe Gen4x4, so a Gen 4 NVMe SSD will operate at its full rated speed; the socket is also labelled PCIe Gen 5 ready for future drives.

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