What is a NUC PC, and Should You Get One?

A NUC PC is a very small desktop computer, about 12 cm square on current models, that Intel created and ASUS now designs, sells and supports.

This guide explains what goes inside one, how it differs from other mini PCs, what the spec sheets say it is good and bad at, and who should buy one.

What Is a NUC PC?

NUC is a brand of small form factor computer. It started as an Intel product line and moved to ASUS under a license agreement in 2023.

Get a NUC if you want a full Windows or Linux desktop that fits behind a monitor, runs quietly on a laptop-sized power adapter, and still offers modern ports. Skip it if you need a desktop graphics card or many internal drives. A current ASUS NUC 15 Pro measures 117 x 112 x 36.8 mm and runs on a 90W or 120W power adapter. It uses laptop-class Intel processors, DDR5 laptop memory (SO-DIMM) and M.2 SSDs, so it trades desktop expansion for size and efficiency.

Intel sold NUC kits for years; its own spec database lists NUC Kits from the Core i3-3217U generation onward, all now marked Discontinued. On July 18, 2023, Intel and ASUS announced a term sheet giving ASUS a non-exclusive license to manufacture, sell and support 10th to 13th Gen NUC systems. From 13th Gen onward, ASUS selects and creates its own ASUS NUC models.

What’s Inside a NUC?

Every NUC packs the same parts as a desktop into a much smaller box. The table uses the ASUS NUC 15 Pro spec sheet as a current reference point.

Component	What the NUC 15 Pro uses	What it means for you
Processor	Intel Core 3 100U up to Core Ultra 7 265H, 25W to 40W configurable TDP	Laptop-class chips; soldered to the board, so you pick performance at purchase time
Memory	Two DDR5 SO-DIMM slots, up to 48GB per module	Upgradeable; uses laptop memory, not desktop DIMMs
Storage	One M.2 2280 NVMe slot (PCIe 5.0 with Core Ultra) plus one M.2 2242 NVMe slot	Two SSDs at most; no 2.5-inch or 3.5-inch drive bays listed
Graphics	Integrated Intel Graphics, or Intel Arc on Core Ultra models	Arc graphics need two memory modules installed
Ports and connectivity	2x Thunderbolt 4 (DP 2.1, USB4), 2x HDMI 2.1, 2.5G Ethernet, USB-C and USB-A on the front	Enough outputs for several monitors and fast external storage
Wireless	Intel Wi-Fi 7 with Bluetooth 5.4	No add-in card needed for Wi-Fi
Power	External 19V adapter, 90W (Core 3) or 120W	The power brick sits outside the case

NUC, Mini PC, Barebones Kit, or Full Desktop: What’s the Difference?

Every NUC is a mini PC, but not every mini PC is a NUC. The name only applies to Intel's original line and the ASUS models that continue it.

Type	What you get in the box	Who it suits
NUC-branded PC (ASUS NUC Mini PC)	Complete system with RAM, SSD and Windows 11 Home or Pro installed	Anyone who wants to plug in and start working
Generic mini PC	A small desktop from any other maker; contents vary by brand	Buyers comparing features across brands rather than the NUC line
Barebones kit (ASUS NUC Kit)	Case, board, CPU, power adapter and VESA bracket; no memory, storage or OS	People who already own RAM and an SSD, or want to choose their own
NUC Board or NUC Element	A board with a soldered-on processor, or modular compute, board and chassis parts	Businesses building signage players, kiosks or embedded devices
Prebuilt mini desktop or full desktop tower	A larger case with room for desktop graphics cards and extra drives	Gamers and heavy workloads that need a full-size GPU

What Can You Use a NUC PC For?

ASUS markets NUCs for business, edge computing and gaming. Each use below maps to a model or feature ASUS documents.

Use	Why a NUC fits	Example model
Everyday home or office desktop	Ships ready to run with RAM, SSD and Windows; mounts behind a monitor	ASUS NUC 15 Pro
Living-room media PC	HDMI 2.1 outputs at 4K 60Hz; small enough for a TV cabinet	ASUS NUC 15 Pro or NUC 14 Essential
Home server or lab machine	Kits support Windows 11, Red Hat Enterprise Linux and Ubuntu 24.04 LTS; 2.5G Ethernet	ASUS NUC 15 Pro Kit
Digital signage and kiosks	ASUS rates Pro, Essential and Rugged models for continuous 24/7 operation; Power Sync switches the NUC and a compatible monitor together over HDMI-CEC	ASUS NUC 14 Essential, NUC 13 Rugged
Development and IT work	Intel vPro options on some Core Ultra models help with fleet management and security policies	ASUS NUC 15 Pro with vPro
Light creative work	ASUS positions NUCs as multi-display workstations for designers and video editors; Arc graphics on Core Ultra models	ASUS NUC 15 Pro Plus
Gaming	A dedicated model pairs an HX-series CPU with an NVIDIA GeForce RTX 5060 or 5070 Laptop GPU	ASUS NUC 15 Performance

The Benefits of a NUC PC

Benefit	What the spec sheet shows
Small size	The NUC 15 Pro is 117 x 112 x 36.8 mm and weighs 0.51 kg, under half a liter of volume
Low power use	The NUC 14 Essential runs on a 65W adapter and the NUC 15 Pro on 90W or 120W; ASUS says most models use little power compared to a traditional desktop
Quiet operation	Low-wattage chips need less cooling; the NUC 13 Rugged is fully fanless
Clean desk setup	A VESA bracket and screws come in the box, so the PC can hang on the back of a monitor
Easy upgrades	ASUS describes a toolless design for reaching memory and storage on its business NUCs
Modern ports	Thunderbolt 4, HDMI 2.1, 2.5G Ethernet and Wi-Fi 7 on the NUC 15 Pro
Support	ASUS lists a three-year warranty covering over 50 countries on its NUC pages; check the terms for your model and region

The Downsides of a NUC PC

The same small box that saves space also sets hard limits. These follow directly from the published specs.

Downside	Why it happens	Who it affects
No desktop graphics card	The spec sheets list M.2 and SO-DIMM slots but no full-size PCIe slot; the gaming model uses a laptop GPU	Gamers who want to upgrade the GPU later
Processor cannot be upgraded	ASUS describes NUC boards as having soldered-on processors	Anyone who plans to swap the CPU in a few years
Limited storage	Two M.2 slots on the NUC 15 Pro; one slot on the NUC 14 Essential	People with large media libraries, unless they use external drives
Memory ceiling on entry models	The NUC 14 Essential has one slot and a 16GB maximum	Heavy multitaskers and virtual machine users
External power brick	Every model uses an external adapter; the gaming model needs a 330W one	Tidy-desk setups with little space for cables
Laptop-class performance	Processors run at 25W to 40W configurable TDP on the NUC 15 Pro	Long rendering, compiling or simulation jobs

How to Choose the Right NUC PC

1. List the jobs the PC must do, and put the most demanding one first.
2. Pick the series: NUC Essential for office, school and signage, NUC Pro or Pro Plus for heavier work, NUC Performance or ROG NUC for gaming, NUC Rugged for harsh or fanless installs.
3. Choose the processor tier on the model's Tech Specs page, since it cannot be changed later.
4. Count your monitors and check the outputs; the NUC 15 Pro has two HDMI 2.1 and two Thunderbolt 4 ports, the NUC 14 Essential supports three 4K displays.
5. Decide between a ready-to-run Mini PC and a Kit (see the next section).
6. Confirm the operating system you need is listed under Operating System on the spec page.
7. Check that the model is sold in your country; ASUS notes products may not be available in all markets.

Barebones vs Prebuilt: Which Should You Buy?

ASUS sells the same NUC 15 Pro as a Mini PC, a Kit and a Board. Only the Mini PC ships ready to use.

Your situation	Buy this	Why
You want to unbox it and start working	Mini PC (for example NUC15CRK)	Comes with memory, an SSD and Windows 11 Home or Pro installed
You already own DDR5 SO-DIMMs and an M.2 SSD	Kit (for example NUC15CRK-B)	Ships with no memory, storage or OS, so you reuse your parts
You plan to run Linux	Kit	Supported OS list includes Red Hat Enterprise Linux and Ubuntu 24.04 LTS, and you skip a Windows license you will not use
You are building a signage player or embedded device	Board or NUC Elements	Board-only and modular parts let you design your own enclosure

A kit needs three things before it boots: memory, an M.2 SSD and an operating system installer on a USB drive.

How to Set Up a NUC PC

A ready-to-run Mini PC only needs steps 5 and 6. A kit needs all of them.

1. Open your model's Tech Specs page on asus.com and note the supported memory and SSD types (for the NUC 15 Pro: DDR5 SO-DIMM and M.2 2280 or 2242 NVMe).
2. Open the chassis as shown in the model's user manual on its ASUS support page.
3. Install the memory; fit two modules if you want Intel Arc graphics on a Core Ultra model.
4. Install the SSD in the M.2 2280 slot and close the chassis.
5. Attach the included VESA Bracket to the back of your monitor if you want the PC hidden.
6. Connect an HDMI or Thunderbolt 4 monitor, plug a keyboard and mouse into USB ports, connect the power adapter to DC-in, and power on.
7. Boot a kit from a USB installer for Windows 11, Red Hat Enterprise Linux or Ubuntu 24.04 LTS, and pick the SSD as the install target.
8. Install the latest drivers from your model's support page on asus.com, and use the MyASUS app on Windows for manuals and service.

If the installer does not list the SSD, reseat it in the M.2 slot and check that it matches a supported type on the spec page.

NUC PC vs Laptop vs Desktop Tower

	NUC PC	Laptop	Desktop tower
Processor class	Laptop-class chips (U, H, HX series)	Laptop-class chips	Desktop chips, often socketed
Screen, keyboard, battery	None; bring your own	Built in	None; bring your own
Graphics card upgrade	Not possible	Not possible	Yes, full-size PCIe slot
Memory and SSD upgrade	Yes, SO-DIMM and M.2	Varies by model	Yes, most tower cases
Monitors	Several through HDMI and Thunderbolt	Built-in screen plus external ones	Depends on the graphics card
Desk space	Fits behind a monitor with a VESA mount	Folds away	Sits on or under the desk
Portability	Move it with its power brick, no battery	Fully portable	Not portable

Should You Get a NUC PC?

Your situation	Verdict	Why
Office, school or home desktop with one to three monitors	Yes, a NUC Essential or NUC Pro	Full desktop features in a box that mounts behind the screen
Signage, kiosk or always-on edge device	Yes, NUC Pro, Essential or Rugged	ASUS rates these for 24/7 operation, and Rugged is fanless
Home server, lab or Linux box	Yes, a NUC Kit	Supported Linux options, 2.5G Ethernet and low power draw
Serious gaming that needs GPU upgrades	No, buy a desktop tower	A NUC cannot take a desktop graphics card
Gaming in a small space, with no upgrade plans	Maybe, NUC 15 Performance	RTX 5060 or 5070 Laptop GPU in a small case, with a 330W adapter
You need to work on the move	No, buy a laptop	A NUC has no screen or battery

Buying Tips

1. Compare models on the Tech Specs tab rather than product photos, since several variants share one name.
2. Buy two matched memory modules for Core Ultra models so Intel Arc graphics is enabled.
3. Check the power cord line in Accessories; ASUS notes some SKUs do not include one.
4. Match wireless to your needs: some variants ship with No Wireless Card Installed.
5. Prefer current ASUS NUC models over old Intel stock; Intel lists its older NUC Kits as discontinued.
6. Choose a vPro model if your IT team manages devices remotely.

The Bottom Line

Buy a NUC if you want a quiet, compact desktop for office work, media, a home lab or signage. Buy a tower instead if you need a desktop graphics card or lots of internal storage. Current ASUS NUCs deliver Thunderbolt 4, Wi-Fi 7 and DDR5 in under half a liter, but their soldered laptop-class processors, two M.2 slots and lack of a PCIe graphics slot fix most of their limits on the day you buy.

Frequently Asked Questions

What is a NUC in computers?

A NUC is a very small desktop PC originally made by Intel and now built by ASUS. It contains a laptop-class processor, SO-DIMM memory and M.2 storage in a box about 117 x 112 mm, and it connects to your own monitor, keyboard and mouse.

What does NUC mean in mini PC?

NUC is a brand within the mini PC category. All NUCs are mini PCs, but other brands make mini PCs too. Today the NUC name is used on ASUS models such as the NUC 15 Pro, NUC 14 Essential and NUC 15 Performance.

What is the NUC today, and who makes it?

ASUS makes NUCs today. In July 2023, Intel and ASUS announced a non-exclusive license for ASUS to manufacture, sell and support 10th to 13th Gen NUC systems. ASUS now designs its own ASUS NUC models from 13th Gen onward.

What is a NUC device?

NUC devices come in four forms from ASUS: ready-to-use Mini PCs, Kits without memory or storage, Boards with soldered-on processors, and NUC Elements for building custom devices. Most home buyers want the Mini PC or the Kit.

What is a NUC in IT?

In IT, a NUC is a compact managed desktop or edge device. ASUS offers vPro processor options for remote management and rates its Pro, Essential and Rugged models for 24/7 use in signage, kiosks, meeting rooms and telehealth.

Can a NUC PC be used for gaming?

Yes, on the right model. The ASUS NUC 15 Performance pairs an Intel Core Ultra HX processor with an NVIDIA GeForce RTX 5060 or 5070 Laptop GPU. Standard NUC Pro and Essential models rely on integrated graphics and suit light games only.

What operating systems can a NUC run?

Ready-to-run ASUS NUC Mini PCs ship with Windows 11 Home or Pro. The NUC 15 Pro Kit and Board ship without an OS and list Windows 11, Red Hat Enterprise Linux and Ubuntu 24.04 LTS as supported.

Are Intel NUCs still supported?

Intel still hosts NUC support pages, but its NUC Kits spec list marks the older kits as discontinued. Under the 2023 agreement, ASUS took on sales and support for 10th to 13th Gen NUC systems, so check ASUS support for those models.