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Small black square mini PC with rounded edges and matte finish

ASUS

ASUS RNUC14MNK3500000 barebone mini PC Intel Core 3 N355 16GB 1TB

SKU CH-DC5M-2ATXQ MPN RNUC14MNK3500000

A compact barebone mini PC with an Intel Core 3 N355 processor, 16 GB DDR5 memory, 1 TB NVMe storage, triple-display output, 2.5 GbE 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
  • 16 GB DDR5-4800 memory installed for responsive multitasking
  • 1 TB M.2 NVMe SSD provides fast storage out of the box
  • Triple display via DisplayPort, HDMI and USB-C expands workspace
  • 5 GbE LAN plus Wi-Fi 6E and Bluetooth 5.3 keep connections swift
  • Compact 5.31 x 4.53 x 1.42 inch chassis fits behind any monitor

ASUS NUC 14 Essential Core 3 N355

The ASUS NUC 14 Essential is a compact barebone mini PC built around the Intel Core 3 N355 processor with a 15W TDP. It ships with 16GB of DDR5 4800 memory and a 1TB M.2 2280 NVMe SSD pre-installed. Integrated Intel Graphics drives up to three displays via DisplayPort, HDMI and USB Type-C. The 5.31 x 4.53 x 1.42 inch chassis includes a VESA mount for behind-screen placement.

Memory and storage limits

The single 262-pin SO-DIMM slot supports a maximum of 16GB DDR5 4800 in single-channel mode, so capacity cannot be expanded beyond the factory configuration. The primary M.2 2280 slot accepts PCIe 3.0 x4 or SATA SSDs from 128GB to 2TB, while a second M.2 2242 slot takes SATA SSDs in the same capacity range. Wireless connectivity uses Wi-Fi 6E AX211 and Bluetooth 5.3, and wired networking is handled by a 2.5GbE Realtek controller.

Upgrading from older mini PCs

This unit replaces larger legacy desktops or first-generation NUCs that lack 2.5G LAN, Wi-Fi 6E and triple-display output from a 15W processor. The jump is worthwhile when you need modern wireless standards, faster wired throughput and three native video outputs in a VESA-mountable form factor. It is not suited for workloads requiring dual-channel memory bandwidth, discrete graphics performance or user-upgradeable RAM beyond 16GB.

Highlights

  • 16 GB DDR5-4800 memory installed for responsive multitasking
  • 1 TB M.2 NVMe SSD provides fast storage out of the box
  • Triple display via DisplayPort, HDMI and USB-C expands workspace
  • 5 GbE LAN plus Wi-Fi 6E and Bluetooth 5.3 keep connections swift
  • Compact 5.31 x 4.53 x 1.42 inch chassis fits behind any monitor

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 Installed1TB
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

Should I pick the 16GB DDR5 version or plan to add more memory later?

The unit ships with 16GB DDR5-4800 in its single SO-DIMM slot and the platform maxes out at 16GB, so no further upgrade is possible.

What does the Intel Core 3 N355 15W TDP mean for everyday workloads?

The 15W processor with integrated Intel Graphics handles office apps, web browsing and 4K video playback within a compact 5.31" x 4.53" x 1.42" chassis.

How fast is the 2.5GbE LAN and Wi-Fi 6E AX211 in practice?

The Realtek RTL8125BG-CG caps wired throughput at 2.5Gbps, while Wi-Fi 6E AX211 and Bluetooth 5.3 share the same M.2 2230 slot for wireless connectivity.

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