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Small black square mini PC with rounded edges, VESA mount visible on bottom

ASUS

ASUS RNUC14MNK3500000 barebone mini PC Core 3 N355 16GB 256GB

SKU CH-RBVJ-1HB6G MPN RNUC14MNK3500000

Compact barebone mini PC with Intel Core 3 N355 processor, 16GB DDR5 memory, 256GB SSD, triple-display outputs, 2.5G LAN, Wi-Fi 6E and Bluetooth 5.3

  • CPU TypeIntel Core 3 N355, TDP 15W
  • Memory installed16GB
  • Memory slot1 x 262Pin SO-DIMM
  • Memory Type SupportedDDR5 4800
  • Max Memory Supported16GB
  • Dual Channel Memory SupportedNo
  • Intel Core 3 N355 processor handles everyday workloads efficiently
  • 16GB DDR5 4800 memory installed for responsive multitasking
  • Triple display via DisplayPort, HDMI and USB-C expands workspace
  • 5G LAN plus Wi-Fi 6E and Bluetooth 5.3 keeps connections fast
  • Compact 5.31 x 4.53 x 1.42 inch chassis fits VESA mounts easily

Essential mini PC for everyday work

The ASUS NUC 14 Essential RNUC14MNK3500000 is a new barebone mini PC built around an Intel Core 3 N355 processor with a 15 W TDP. It ships with 16 GB of DDR5-4800 memory in a single SO-DIMM slot and a 256 GB NVMe SSD. Integrated Intel Graphics drives up to three displays through DisplayPort, HDMI and USB Type-C, making it suited for office productivity, digital signage or compact home setups.

VESA mount and 2.5G wired plus Wi-Fi 6E

The chassis measures 5.31" x 4.53" x 1.42" and includes a VESA bracket for mounting behind a monitor or under a desk. Front I/O provides one USB 3.2 Gen2 Type-C and two USB 3.2 Gen2 Type-A ports for quick peripheral access. A single 2.5 GbE RJ45 port and Wi-Fi 6E AX211 with Bluetooth 5.3 handle wired and wireless connectivity. Storage can be expanded via a second M.2 2242 SATA slot alongside the primary M.2 2280 PCIe 3.0 x4 slot.

Upgrade path limited to storage and memory ceiling

The platform maxes out at 16 GB of DDR5 in a single-channel configuration, so users needing more memory must look elsewhere. CPU performance is fixed at the Core 3 N355 level, ruling out heavier workloads such as video editing or virtualisation clusters. The jump from an older Celeron or Pentium mini PC is worthwhile for snappier web browsing, multi-monitor desk work and faster 2.5G file transfers, but not for compute-intensive tasks.

Highlights

  • Intel Core 3 N355 processor handles everyday workloads efficiently
  • 16GB DDR5 4800 memory installed for responsive multitasking
  • Triple display via DisplayPort, HDMI and USB-C expands workspace
  • 5G LAN plus Wi-Fi 6E and Bluetooth 5.3 keeps connections fast
  • Compact 5.31 x 4.53 x 1.42 inch chassis fits VESA mounts easily

Specifications

BrandASUS
SeriesASUS NUC 14 Essential
ModelRNUC14MNK3500000
CPU TypeIntel Core 3 N355, TDP 15W
Memory installed16GB
Memory slot1 x 262Pin SO-DIMM
Memory Type SupportedDDR5 4800
Max Memory Supported16GB
Dual Channel Memory SupportedNo
Storage Installed256GB SSD
M.2 SlotSlot 1:128GB~2TB M.2 2280 NVMe PCIe 3.0 x 4 SSD
Slot 2:128GB~2TB M.2 2242 SATA SSD
Integrated GraphicsIntel Graphics
Onboard AudioIntegrated
Channel7.1 Channel
LAN1 x Realtek RTL8125BG-CG (2.5 GbE)
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 6E AX211 (Gig+)
WiFi GenerationWi-Fi 6E
BluetoothBluetooth 5.3
Front USB1 x USB 3.2 Gen2 Type-C
2 x USB 3.2 Gen2 Type-A
Front Audio Ports1 x 3.5mm Headset Jack
HDMI1 x HDMI 2.1 (TMDS)
DisplayPort1 x DisplayPort 1.4
Rear USB1 x USB 3.2 Gen2 Type-C DP 1.4
2 x USB 3.2 Gen 2 Type-A
1 x USB 2.0 Type-A
RJ451 x RJ45 LAN
Input19VDC, 3.42A
Power Supply65W
Dimensions135mm x 115mm x 36mm
Weight470g
PackagingVESA Screws / AC Power Adapter / Power Cord

Questions about this item

What PCIe generation does the M.2 2280 slot use, and what throughput does that cap the SSD at?

The M.2 2280 slot runs PCIe 3.0 x4, so an NVMe drive is limited to that generation's bandwidth.

What are the exact dimensions for VESA mounting clearance?

The chassis measures 5.31 by 4.53 by 1.42 inches, and the VESA bracket is included in the box.

How do I add a second SATA drive, and which screw length avoids board damage?

Slot 2 accepts a 2242 SATA SSD; use the short M.2 screw supplied with the board to avoid hitting components underneath.

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