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Small black square mini PC barebone with front ports visible

ASUS

ASUS RNUC14MNK350000U barebone mini PC Core 3 N355 DDR5

SKU CH-FQ9T-JG50D MPN RNUC14MNK350000U

Barebone mini PC with Intel Core 3 N355, single DDR5-4800 slot, one M.2 2280/2242 drive bay, triple 4K display support, 2.5G LAN, Wi-Fi 6E and Bluetooth 5.3

  • ColorBlack
  • CPU TypeIntel Core 3 Processor N355 8 Cores / 8 Threads 3.9 GHz 9W -
  • Memory installedNo Memory
  • Memory slot1 x 262Pin SO-DIMM
  • Memory Type SupportedDDR5 4800
  • Max Memory SupportedMaximum 16GB Capacity

CPU Type Intel Core 3 N355

  • Intel Core 3 N355 with 8 cores up to 3.9 GHz for responsive everyday computing
  • Triple 4K display support via HDMI 2.1, DisplayPort 1.4 and USB-C for multi-screen productivity
  • Single DDR5-4800 SO-DIMM slot accepting up to 16 GB for fast memory performance
  • M.2 2280 slot for PCIe 3.0 x4 NVMe or SATA SSD up to 4 TB storage
  • 5 GbE LAN, Wi-Fi 6E and Bluetooth 5.3 in a compact 0.56 L chassis

Essential barebone kit

The ASUS NUC 14 Essential RNUC14MNK350000U is a barebone mini PC built around an Intel Core 3 N355 processor with eight cores and eight threads running up to 3.9 GHz. It targets users who want to assemble a compact, low-power desktop for office work, media streaming or digital signage by adding their own DDR5 memory and M.2 storage. The 0.56 L chassis includes a VESA mount for behind-monitor installation.

Single-slot DDR5 and single M.2

One 262-pin SO-DIMM slot accepts DDR5-4800 modules up to 16 GB, so buyers must supply at least one stick to boot the system. A single M.2 2280/2242 socket takes either a PCIe 3.0 x4 NVMe or a SATA SSD from 128 GB to 4 TB, but only one drive can be installed internally. Wireless connectivity comes from an Intel Wi-Fi 6E AX211 module with Bluetooth 5.3, while wired networking uses a 2.5 GbE Realtek controller.

Display and USB limits

Integrated Intel Graphics with 32 execution units at 1.35 GHz drives up to three 4K displays at 60 Hz via HDMI 2.1, DisplayPort 1.4 and the rear USB-C port with DP 1.4 alt mode. The front USB-C port delivers 5 V / 3 A at 10 Gbps but lacks video output. Rear I/O adds two USB 3.2 Gen 2 Type-A ports, one USB 2.0 Type-A port and a second USB-C with video. The single SO-DIMM channel and lone M.2 slot constrain memory bandwidth and storage expansion.

Highlights

  • Intel Core 3 N355 with 8 cores up to 3.9 GHz for responsive everyday computing
  • Triple 4K display support via HDMI 2.1, DisplayPort 1.4 and USB-C for multi-screen productivity
  • Single DDR5-4800 SO-DIMM slot accepting up to 16 GB for fast memory performance
  • M.2 2280 slot for PCIe 3.0 x4 NVMe or SATA SSD up to 4 TB storage
  • 5 GbE LAN, Wi-Fi 6E and Bluetooth 5.3 in a compact 0.56 L chassis

Specifications

BrandASUS
SeriesASUS NUC 14 Essential
ModelRNUC14MNK350000U
Part NumberRNUC14MNK350000U
ColorBlack
CPU TypeIntel Core 3 Processor N355
8 Cores / 8 Threads
3.9 GHz
9W - 15W, 6MB Intel Smart Cache
Memory installedNo Memory
Memory slot1 x 262Pin SO-DIMM
Memory Type SupportedDDR5 4800
Max Memory SupportedMaximum 16GB Capacity
M.2 SlotUp to (1) internal storage drive:
1 x M.2 2280/2242 PCIe Gen3x4 NVMe or SATA SSD (empty) (supports 128GB ~ 4TB)
Integrated GraphicsIntel Graphics
1.35 GHz
32 Execution Units
DisplayPort 1.4 Max Resolution: 4096x2160@60Hz
HDMI Max Resolution: 4096x2160@60Hz
Supports Triple Displays
Onboard AudioRealtek ALC3251
LAN1 x Realtek RTL8125BG-CG (2.5 GbE)
Wireless LANIntel Wi-Fi 6E AX211 (Gig+), 2x2
BluetoothBluetooth 5.3
Front USB1 x USB 3.2 Gen2 Type-C (5V/3A, 10Gbps)
2 x USB 3.2 Gen2 Type-A (5V/0.9A, 10Gbps)
Front Audio Ports1 x 3.5mm Audio Jack (Headset)
HDMI1 x HDMI 2.1 (up to 4K@60Hz)
Rear USB1 x USB 3.2 Gen2 Type-C (with DP1.4 / 5V/3A, 10Gbps)
2 x USB 3.2 Gen2 Type-A (5V/0.9A, 10Gbps)
1 x USB 2.0 Type-A (5V/0.5A, 480Mbps)
RJ451
Power Supply19V DC-IN
65W 19V AC-DC Adapter
DimensionsNet product 5.31" x 4.53" x 1.42" (in inches) (0.56L)
135 x 115 x 36mm
Weight2.05lbs
FeaturesTPM: fTPM 2.0 (Intel PTT)
PackagingVESA Screws / AC Power Adapter / Power Cord
Shipping weight1.09 kg
Package size203 × 178 × 102 mm

Other versions of this model

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Questions about this item

Will the single SO-DIMM slot limit future RAM upgrades to 16 GB of DDR5 4800?

Yes, the board has one 262-pin SO-DIMM slot that supports up to 16 GB of DDR5 4800, so that is the maximum memory capacity.

Does the 15 W processor base power become the thermal ceiling during long workloads?

The Intel Core 3 N355 operates between 9 W and 15 W, so sustained loads will sit at or near the 15 W limit and the cooling system is sized for that envelope.

How loud is the fan when the NUC runs all day at 15 W?

The 0.56 L chassis uses a small internal fan; at the 15 W sustained power level it produces a low, office-friendly hum that is noticeable only in a quiet room.

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