ASUS NUC 15 Pro
ASUS

ASUS NUC 15 Pro

ASUS's compact business NUC pairs Core Ultra chips with two Thunderbolt 4 ports, Wi-Fi 7 and upgradable DDR5 in a tool-less chassis.

  • Intel Core Ultra 7 255H
  • 2.5 GbE

PCPR score

7.7

Good

Best price we’ve seen

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R1

The short version

The NUC 15 Pro continues the NUC line under ASUS with Intel Core Ultra 200-series and Core 100/200-series processors, Wi-Fi 7, 2.5GbE and two Thunderbolt 4 ports in a chassis as small as 0.48 liters. Sold as barebone kits or complete systems, it takes two DDR5 SO-DIMMs up to 96GB and two NVMe drives, with an external 120 W adapter on most models. It suits offices, kiosks and home labs that want a serviceable mini PC from an established brand.

Pros

  • Two Thunderbolt 4 ports plus two HDMI 2.1 outputs and a front USB 3.2 Gen2x2 Type-C port
  • Two DDR5 SO-DIMM slots with up to 96GB using 48GB modules
  • M.2 2280 slot runs PCIe 5.0 x4 on Core Ultra models, with a second M.2 2242 slot
  • Wi-Fi 7, Bluetooth 5.4 and Intel 2.5GbE networking
  • ASUS cites a tool-less chassis and MIL-STD-810H certification

Cons

  • Integrated Intel graphics only, with no PCIe slot for a discrete card
  • Barebone kits ship without memory, storage or an operating system
  • External 90 W or 120 W power adapter

Best for

  • Small offices and digital signage
  • Home labs that want Thunderbolt and easy upgrades

SYS1

Configurations

ConfigurationProcessorGraphicsMemoryStoragePrice
Core Ultra 7 255H · Barebone kitIntel Core Ultra 7 255HIntel Arc 140T Graphics——$648
Core Ultra 7 255H · 16GB · 1TBIntel Core Ultra 7 255HIntel Arc 140T Graphics16 GB1 TB$839
Core 5 210H · 16GB · 512GBIntel Core 5 210HIntel Graphics16 GB512 GB$703

J5

What you can upgrade later

Memory

Unconfirmed

The maker doesn’t publish its slot layout. Check before buying more memory.

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Storage

Unconfirmed

Free storage slots aren’t published for this model.

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Graphics card

limited

Maximum card length isn’t published. The 120 W supply limits how far you can go, so a high-end card would need a new PSU.

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Processor

Unconfirmed

A drop-in upgrade depends on the socket and the maker’s BIOS. Check the board before buying a CPU.

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Power supply

Unconfirmed

The maker doesn’t say whether the PSU is standard.

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Motherboard

Unconfirmed

The maker doesn’t say whether the board is standard.

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J3

Full specifications

Core

Processor
Intel Core Ultra 7 255H
Graphics
Intel Arc 140T Graphics

Memory

Memory type
DDR5-5600 SO-DIMM or DDR5-6400 CSO-DIMM (2 slots)
Max memory
96 GB

Fit

Memory upgradable
Yes
M.2 slots
2

Connectivity

Wi-Fi
Wi-Fi 7
Ethernet
2.5 GbE

Ports & I/O

USB4 ports
2
HDMI outputs
2
DisplayPort outputs
0

Software

Operating system
None

Compatibility notes

  • Two DDR5-5600 SO-DIMM or DDR5-6400 CSO-DIMM slots, up to 48GB per module
  • M.2 2280 slot is PCIe 5.0 x4 on Core Ultra models and PCIe 4.0 x4 on Core models; second slot is M.2 2242 PCIe 4.0 x4, up to 2TB
  • Thunderbolt 4 ports include USB4 and DisplayPort 2.1; HDMI 2.1 outputs are TMDS at 4K 60 Hz
  • External 19 V adapter rated 120 W, or 90 W on the lowest CPU tier
  • ASUS lists 117 x 112 x 36.8 mm (0.51 kg) and 117 x 112 x 54 mm (0.58 kg) chassis variants; the slim version is 0.48 liters

P1

Where to buy

We may earn a commission when you buy through links on this page. It never affects our scores or what we recommend. Prices move quickly, so confirm the final price at the retailer.

AV1

Video reviews

No verified video reviews yet

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R9

Common questions

Is the NUC 15 Pro barebone kit ready to use?

No. Kit versions ship with no memory, no storage and no preinstalled operating system, so you add DDR5 SO-DIMMs, an M.2 SSD and Windows or Linux yourself. ASUS and retailers also sell complete systems.

What storage does it support?

ASUS lists an M.2 2280 slot running at PCIe 5.0 x4 on Core Ultra models or PCIe 4.0 x4 on Core models, plus an M.2 2242 PCIe 4.0 x4 slot up to 2TB.

Is the power brick external?

Yes. ASUS lists a 19 V AC adapter rated at 120 W, or 90 W on the lowest CPU tier, connected through a rear DC-in jack.

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