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Small black square mini PC barebone with toolless chassis access

ASUS

ASUS 90MR01B2-M000K0 ExpertCenter PN54 barebone mini PC Ryzen AI 5 340 DDR5 WiFi 7

SKU CH-AVFV-22PAH MPN 90MR01B2-M000K0

Barebone mini PC with a 6-core Ryzen AI 5 340 processor, dual DDR5 SO-DIMM slots supporting 96 GB, two M.2 NVMe bays, Radeon 800M graphics, dual 2.5 Gb LAN, Wi-Fi 7 and Bluetooth 5.4

  • ProcessorAMD Ryzen AI 5 340
  • Wi-Fi standardWi-Fi 7
  • Installed memoryNo Memory
  • RAM slots2 × 262Pin SO-DIMM
  • Maximum supported memory96 GB
  • Installed storageNo Hard Drive
  • Ready for AI workloads with Ryzen AI 5 340 processor
  • Expand memory up to 96 GB DDR5 via two SO-DIMM slots
  • Dual M.2 slots accept 256 GB to 2 TB NVMe SSDs
  • WiFi 7 and Bluetooth 5.4 plus dual 2.5 Gbps LAN
  • Toolless 0.6 L chassis supports VESA mount and 24/7 operation

Barebone for DIY builders

The ASUS ExpertCenter PN54 is a barebone mini PC that arrives without memory or storage installed. It uses an AMD Ryzen AI 5 340 processor with integrated Radeon 800M graphics and supports up to 96 GB of DDR5 SO-DIMM RAM across two slots. The 0.6 L chassis opens without tools for quick assembly.

Suits integrators needing WiFi 7

This unit fits system builders who want a compact platform with modern wireless and wired connectivity plus quad-display output via HDMI 2.1 and two DisplayPort 1.4 connectors. Buyers who need a complete system with an operating system, memory and drives already fitted should look elsewhere.

Deciding spec: barebone with no memory or storage

The defining detail is that the PN54 ships as a barebone — no RAM modules and no M.2 SSDs are included. You must supply two DDR5 SO-DIMMs and up to two NVMe PCIe 4.0 drives to make it operational.

How it compares

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

Price $546.99
Typical for this category: the median of 1,735 items is $564.99.

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Specifications

Product
Brand nameASUS
Model name90MR01B2-M000K0
Product colorBlack
Processor
ProcessorAMD Ryzen AI 5 340
Memory
Installed memoryNo Memory
RAM slots2 × 262Pin SO-DIMM
Maximum supported memory96 GB
Dual-channel supportYes
Storage
Installed storageNo Hard Drive
M.2 slots256 GB~2 TB M.2 2280 NVMe PCIe 4.0 × 4 SSD+
256 GB~2 TB M.2 2280 NVMe PCIe 4.0 × 4 SSD
Graphics
Built-in graphicsAMD Radeon 800M
Connectivity
Wi-Fi standardWi-Fi 7
LAN connectionIntel i226 V
Maximum network speedDual 2.5 Gbit/s
Bluetooth support5.4
Ports & slots
Front USB ports1 x USB 3.2 Gen2 Type-C (5 V/3A, 10 Gbit/s)
2 x USB 3.2 Gen2 Type-A (5 V/0.9A, 10 Gbit/s)
Front audio jacks1 x Audio Jack (Line out/Mic in/Headphone out)
Other front ports1 x Kensington lock slot (Side)
HDMI ports1 x HDMI 2.1 (Up to 4K@60 Hz)
DisplayPort connectors2 x DisplayPort 1.4
Rear USB ports1 x USB 4.0 Type-C (with DP2.1/PD-in*, 5 V/3A, 40 Gbit/s)
1 x USB 3.2 Gen2 Type-A (5 V/0.9A, 10 Gbit/s)
1 x USB 2.0 (5 V/0.5A)
Ethernet port2 × 2.5G RJ45 LAN
Input19Vdc, 6.32A
Power
Power supply120 W Power adapter
Size & build
Product dimensions130 × 130 × 34 mm
Product weight0.55 kg(barebone)

Questions about this item

Does the ASUS ExpertCenter PN54 90MR01B2-M000K0 include RAM or an SSD, and what must I add?

The unit ships with no memory and no storage installed. You need two DDR5 SO-DIMMs up to 96 GB total and one or two M.2 2280 NVMe PCIe 4.0 x4 SSDs from 256 GB to 2 TB each.

Which Ryzen AI 5 340 configuration should I choose for this barebone?

The barebone comes only with the AMD Ryzen AI 5 340 processor; there are no alternative CPU, GPU or chassis versions to select.

What does the 50 TOPS NPU rating mean for everyday workloads on this mini PC?

The XDNA2 NPU delivers up to 50 TOPS of AI throughput, accelerating local inference tasks such as noise suppression, background blur and on-device language models without using the CPU or Radeon 800M graphics.

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