Shopping for a mini PC and wondering if you can add more memory down the road, or if you’re locked into whatever configuration shows up at checkout? That question trips up more buyers than almost any other spec, because two mini PCs that look nearly identical on paper can handle memory in completely different ways. Some use SODIMM modules you can swap out with a screwdriver in about ten minutes. Others solder the memory chips directly to the motherboard, which means the RAM you order is the RAM you’re stuck with for good.
Here’s the short answer: of the 15 current and recent mini PC models compared in this guide, 12 use swappable SODIMM memory — most upgradeable to 64GB or more, while 3 — including every 2023-2024 Apple Mac mini, the Raspberry Pi 5, and a couple of ultra-budget models — solder RAM permanently to the board. According to Crucial’s memory compatibility database and Intel’s ARK product specification database, SODIMM and soldered memory use entirely different physical connectors and are never interchangeable. Below you’ll find a full compatibility chart, brand-by-brand patterns, and a step-by-step upgrade walkthrough — so you know exactly what you’re buying before you check out.
Quick Facts
| Metric | Value |
|---|---|
| Mini PCs compared in this guide | 15 models |
| Models with upgradeable SODIMM RAM | 12 of 15 |
| Models with soldered/non-upgradeable RAM | 3 of 15 |
| Highest listed RAM capacity | 96GB (ASUS NUC 14 Pro); ASRock DeskMini X600 — confirm manufacturer’s official max capacity (spec sheet/QVL) |
| Lowest fixed RAM capacity | Check the memory capacity options listed on the official Raspberry Pi 5 product page (raspberrypi.com/products/raspberry-pi-5) |
| Most common SODIMM standard in 2024 models | DDR5-5600 |
| DDR5 SODIMM operating voltage | 1.1V (per JEDEC standard) |
| Typical tool needed for a RAM upgrade | Phillips #0 or #1 screwdriver |
SODIMM vs. Soldered RAM: What’s Actually Different
SODIMM stands for “small outline dual in-line memory module.” It’s a small circuit board with memory chips that slides into a slot on the motherboard and locks in place with two side clips. Because it’s a separate, removable part, you can pull it out and replace it with a higher-capacity module — as long as the new module matches the board’s supported memory standard (DDR4 or DDR5), speed range, and voltage.
Soldered memory skips the slot and connector entirely. The chips are attached straight to the motherboard with solder during manufacturing, the same way a soldered chipset or soldered eMMC storage would be. This saves space (a soldered module needs roughly half the board footprint of a SODIMM slot) and can improve power efficiency and signal integrity, which is why it shows up in the thinnest, most power-conscious designs — Apple’s unified memory architecture, single-board computers like the Raspberry Pi, and ultra-compact, budget-oriented mini PC designs; soldered memory is common in ultra-compact and budget-oriented mini PC designs, so check the manufacturer’s official spec sheet for the exact configuration.
The tradeoff is permanence. Once memory is soldered, the capacity you buy on day one is the capacity you’ll have on day five hundred. There’s no aftermarket kit, no clip-in upgrade, and no way to reverse the decision without replacing the entire motherboard — a repair that typically costs more than the mini PC itself is worth.
How to Check Whether a Mini PC Has Upgradeable RAM Before You Buy
Manufacturers don’t always advertise this clearly, but the information is usually hiding in plain sight if you know where to look:
- Read the “Memory” line on the spec sheet closely. Terms like “SODIMM,” “user-upgradeable,” or “2 x memory slots” indicate swappable RAM. Terms like “onboard,” “soldered,” “integrated,” or “unified memory” indicate it’s fixed.
- Check whether the listing offers multiple RAM configurations at different prices. This alone doesn’t prove upgradeability (soldered chips also come in different fixed sizes), but combined with the wording above, it helps confirm the design.
- Look for a maintenance or service manual. Intel, Lenovo, HP, and ASUS all publish official teardown or service guides for their mini PCs that explicitly show the SODIMM slots or state there are none.
- Search the model number plus “teardown” or “disassembly.” Community teardown posts and forum threads often show the actual board layout.
- Check the manufacturer’s official spec sheet or service manual. Confirm the memory slot configuration (number of SODIMM slots) as listed in the manufacturer’s official specification sheet or service manual.
Mini PC RAM Upgrade Compatibility Chart by Model
The table below lists specifications for each model, including what you need before buying replacement memory: slot count, maximum listed capacity, the exact memory standard, and physical specs for reference.
| Model | RAM Type | Slots | Max RAM | Memory Standard | Size (L x W x H) | Weight | Power Adapter | Key Ports | Upgradeable? |
|---|---|---|---|---|---|---|---|---|---|
| Apple Mac mini (M2 / M2 Pro, 2023) | Soldered (unified memory) | 0 | 8GB–32GB (fixed at purchase) | LPDDR5 | 7.7 x 7.7 x 1.4 in | 2.6 lb (M2) / 2.8 lb (M2 Pro) | Internal PSU (no external brick) | 2–4x Thunderbolt 4, 2x USB-A, HDMI, GbE | No |
| Intel NUC 13 Pro (Arena Canyon) | SODIMM | 2 | 64GB | DDR4-3200 | 4.6 x 4.4 x 2.0 in | ~1.3 lb | See manufacturer’s rated adapter spec (product label/official spec sheet) | Thunderbolt 4, 4x USB-A, HDMI 2.1, check the official manufacturer spec sheet (Intel ARK product page) for Ethernet port count and speed | Yes |
| Intel NUC 12 Extreme (Dragon Canyon) | SODIMM | 2 | 64GB | DDR4-3200 | 357 x 189 x 120 mm (approx. 14.1 x 7.4 x 4.7 in, 8L) | ~11.5 lb | 650W internal PSU | 2x Thunderbolt 4, 4x USB-A, HDMI, 2x 2.5GbE | Yes |
| ASUS NUC 14 Pro | SODIMM | 2 | 96GB | DDR5-5600 | 4.8 x 4.4 x 2.0 in | ~1.5 lb | See manufacturer’s rated adapter spec (product label/official spec sheet) | 2x Thunderbolt 4, 4x USB-A, HDMI 2.1, 2x 2.5GbE | Yes |
| Beelink SER7 | SODIMM | 2 | Confirm manufacturer’s official max capacity (spec sheet/QVL) | Check the manufacturer’s official spec sheet/QVL for the exact memory standard and speed grade | 5.0 x 4.4 x 1.6 in | ~1.4 lb | See manufacturer’s rated adapter spec (product label/official spec sheet) | USB4, USB-C, 3x USB-A, HDMI, DP, 2x 2.5GbE | Yes |
| Beelink SER5 Pro | SODIMM | 2 | Confirm manufacturer’s official max capacity (spec sheet/QVL) | Check the manufacturer’s official spec sheet/QVL for the exact memory standard and speed grade | 4.4 x 4.4 x 1.6 in | ~1.4 lb | See manufacturer’s rated adapter spec (product label/official spec sheet) | USB-C, 3x USB-A, HDMI + DP (video-out mix varies by SKU – check the manufacturer’s spec sheet), 1x Gigabit Ethernet (RJ45) | Yes |
| Minisforum UM790 Pro | SODIMM | 2 | Confirm manufacturer’s official max capacity (spec sheet/QVL) | Check the manufacturer’s official spec sheet/QVL for the exact memory standard and speed grade | 5.0 x 5.0 x 2.4 in | ~1.7 lb | See manufacturer’s rated adapter spec (product label/official spec sheet) | USB4, USB-C, 3x USB-A, 2x USB2.0, HDMI, DP, 2x 2.5GbE | Yes |
| Minisforum UM690 | SODIMM | 2 | Confirm manufacturer’s official max capacity (spec sheet/QVL) | Check the manufacturer’s official spec sheet/QVL for the exact memory standard and speed grade | 5.0 x 5.0 x 2.1 in | ~1.7 lb | See manufacturer’s rated adapter spec (product label/official spec sheet) | USB-C, 3x USB-A, HDMI, DP, 2x 2.5GbE | Yes |
| GMKtec NucBox K6 | SODIMM | 2 | Confirm manufacturer’s official max capacity (spec sheet/QVL) | Check the manufacturer’s official spec sheet/QVL for the exact memory standard and speed grade | 4.4 x 4.4 x 1.7 in | ~1.3 lb | See manufacturer’s rated adapter spec (product label/official spec sheet) | USB4, USB-C, 3x USB-A, HDMI, DP, 2x 2.5GbE | Yes |
| ASRock DeskMini X600 | SODIMM | 2 | Confirm manufacturer’s official max capacity (spec sheet/QVL) | Check the manufacturer’s official spec sheet/QVL for the exact memory standard and speed grade | 6.1 x 6.1 x 3.1 in | ~2.9 lb (barebone) | See manufacturer’s rated adapter spec (product label/official spec sheet) | USB-C, multiple USB-A, HDMI, DP, 2.5GbE | Yes |
| Lenovo ThinkCentre M75q Gen 5 | SODIMM | 2 | Confirm manufacturer’s official max capacity (spec sheet/QVL) | Check the manufacturer’s official spec sheet (Lenovo PSREF) for the exact memory standard and speed grade | 7.0 x 7.0 x 1.4 in | ~2.9 lb | See manufacturer’s rated adapter spec (product label/official spec sheet) | USB-C, 4x USB-A, HDMI, DP, GbE | Yes |
| HP ProDesk 400 G6 Mini | SODIMM | 2 | Confirm manufacturer’s official max capacity and speed grade (HP QuickSpecs) | Confirm manufacturer’s official max capacity and speed grade (HP QuickSpecs) | 6.9 x 6.9 x 1.4 in | ~2.6 lb | See manufacturer’s rated adapter spec (product label/official spec sheet) | USB-C, 4x USB-A, HDMI, DP, GbE | Yes |
| Intel NUC 11 Essential | SODIMM | 2 | Check the manufacturer’s official spec sheet (Intel ARK) for the maximum capacity and memory standard | Check the manufacturer’s official spec sheet (Intel ARK) for the maximum capacity and memory standard | ~4.6 x 4.4 x 1.4 in | ~1.0 lb | See manufacturer’s rated adapter spec (product label/official spec sheet) | USB-C, 2x USB-A, HDMI, GbE | Yes |
| Raspberry Pi 5 (8GB) | Soldered | 0 | Check the memory capacity options listed on the official Raspberry Pi 5 product page (raspberrypi.com/products/raspberry-pi-5) | LPDDR4X | 3.3 x 2.2 x 0.7 in | ~1.6 oz (board only) | Check the manufacturer’s recommended/rated USB-C power supply specification | 2x USB3.0, 2x USB2.0, 2x micro-HDMI, GbE | No |
| Chuwi LarkBox X | Soldered | 0 | Check the manufacturer’s official spec sheet for the fixed memory capacity and standard | Check the manufacturer’s official spec sheet for the fixed memory capacity and standard | 5.0 x 5.0 x 1.9 in | ~0.88 lb | See manufacturer’s rated adapter spec (product label/official spec sheet) | USB-C (DP Alt Mode), USB-A, HDMI – check the manufacturer’s official spec sheet for the exact port configuration | No |
Source: compiled from manufacturer spec sheets and official listings (Intel ARK, Apple Tech Specs, and published documentation from ASUS, Beelink, Minisforum, GMKtec, ASRock, Lenovo, and HP), current as of early 2025. Each model name in the table above links directly to its manufacturer or retailer spec page so you can verify that row’s figures individually. Weight and dimension values marked with “~” are approximate — rounded from the manufacturer’s published figures where available, or from the closest verifiable listing where a manufacturer did not publish an exact figure — and should be confirmed against the linked source before finalizing a purchase decision. Vendors occasionally revise memory configurations between production runs, so treat this as a starting point for your own model-number lookup.
Brand-by-Brand Patterns: Who Solders and Who Doesn’t
Intel and ASUS NUC (NUC 12, 13, 14 series)
Most of the main NUC lines (Pro/Performance/Extreme series) have kept SODIMM slots, but some low-power, industrial-oriented models — such as the NUC 8 Rugged (Chaco Canyon, 2019) with its 4GB LPDDR3 and 64GB eMMC soldered to the board — were not user-upgradeable, so check the spec sheet for each specific model. This is a deliberate design choice: NUC kits are frequently sold as barebones with no memory included, so the whole business model depends on buyers or system integrators installing their own SODIMM sticks.
Apple Mac mini
Apple moved from swappable SODIMM RAM (last seen in the 2018 Intel-based Mac mini) to fully soldered unified memory starting with the M1 Mac mini in 2020. Every Apple Silicon Mac mini since — the M1 solders LPDDR4X, and the M2 and M2 Pro solder LPDDR5 — directly next to the chip package to shorten the physical distance data has to travel, which is part of how Apple achieves its unified memory bandwidth figures. The tradeoff, confirmed in Apple’s own technical specifications, is that memory capacity has to be chosen at checkout and can’t be changed afterward.
Beelink, Minisforum, and GMKtec (Ryzen and Intel mini PCs)
The current wave of mini PC brands building around AMD Ryzen 7040/8040 and Intel Core Ultra chips has standardized almost entirely on dual SODIMM slots, though buyers should confirm each model’s manufacturer-listed memory specifications, likely because these brands target power users and small-business buyers who expect to configure their own memory and storage. Barebone or “DIY” SKUs without RAM installed are common across all three brands.
ASRock DeskMini and traditional OEM minis (Lenovo, HP)
ASRock’s DeskMini line and Lenovo/HP’s tiny desktop replacements (ThinkCentre M-series, ProDesk/EliteDesk Mini) are built for corporate refresh cycles and IT departments that routinely swap memory and storage, so SODIMM slots remain the default across every generation.
Ultra-compact and budget mini PCs (Chuwi, Raspberry Pi, and other SoC-based compact devices)
Anything built around a system-on-chip design meant for extreme thinness or extreme low cost tends to solder memory. The Raspberry Pi Foundation solders LPDDR4X directly next to the Broadcom SoC on the Pi 5 to keep the board at single-board-computer size; Chuwi’s LarkBox X follows a similar approach to hit lower price points and smaller chassis heights.
Step-by-Step: How to Safely Upgrade SODIMM RAM
If your model uses SODIMM slots, the upgrade itself is one of the simplest repairs in computing. Here’s the general process — exact screw locations vary by model, so check your manufacturer’s service manual for specifics.
- Confirm your model’s maximum supported RAM and speed from the official spec sheet before buying a kit. Installing modules faster than the board supports won’t damage anything, but the system will run them at the board’s maximum supported speed, not the module’s rated speed.
- Fully shut down the mini PC and unplug the power adapter from the wall outlet. Don’t attempt this while the unit is running or merely asleep.
- Ground yourself before touching internal components — an anti-static wrist strap is ideal, or at minimum touch an unpainted metal surface first to discharge static.
- Remove the bottom or side panel screws (typically four Phillips screws) and lift the cover off according to your model’s service guide.
- Locate the SODIMM slots. Existing modules are held in by two side clips; press both clips outward simultaneously and the module will pop up at an angle.
- Slide the old module out at roughly a 30-degree angle, then insert the new module at the same angle, aligning the notch in the module’s contacts with the notch in the slot.
- Press the module down firmly until both side clips click into place and the module sits flat.
- Replace the cover, reconnect the power adapter, and power on. Most systems automatically detect the new capacity; some may need a BIOS/UEFI update if you’re installing a much higher-capacity module than originally supported.
Never open the internal power supply itself to access components — mini PC PSUs, especially internal ones like the NUC 12 Extreme’s 650W unit, can retain a charge after being unplugged. RAM upgrades never require opening the power supply enclosure; if a repair guide asks you to do that, stop and consult a professional.
Maximum RAM Capacity: What Manufacturers List vs. What the Standard Allows
Listed maximum RAM and physically possible maximum RAM aren’t always the same number. Manufacturers test and validate a specific list of modules (often called a QVL, or Qualified Vendor List) and publish the highest capacity from that testing — usually the highest-capacity module that was commercially available when the product launched.
Single DDR5 SO-DIMM modules of 48GB are now widely available, and 64GB modules also exist, but actual supported capacity depends on the motherboard manufacturer’s official spec sheet/QVL. This is how a board like the ASUS NUC 14 Pro reaches a manufacturer-listed 96GB total (two 48GB modules in dual-channel); for the ASRock DeskMini X600, confirm its official max capacity via the manufacturer’s spec sheet/QVL. Older DDR4 SODIMM boards, including the Intel NUC 13 Pro, top out at 64GB total because the largest widely available DDR4 SODIMM module is 32GB; for the HP ProDesk 400 G6 Mini, confirm the maximum capacity and speed grade in HP’s official QuickSpecs.
Some enthusiast communities report success running higher-capacity modules than a manufacturer’s listed maximum, since the memory controller itself may support more than what was validated at launch. This isn’t guaranteed to work, isn’t covered by warranty support, and can result in reduced stability or the system simply refusing to boot — so treat the officially listed maximum as the number to plan a purchase around, not the community-reported ceiling.
When Soldered RAM Is Actually the Right Choice
Soldered memory isn’t automatically a downside. It’s the right tradeoff in a few specific situations:
- You know your workload today and it won’t grow. If you’re building a kiosk, digital signage box, home media player, or lightweight web-browsing terminal, 8GB fixed memory is often plenty for the entire useful life of the device.
- You want the smallest possible footprint. Soldered designs let manufacturers hit dimensions like the Raspberry Pi 5’s 3.3 x 2.2 x 0.7-inch board or the Chuwi LarkBox X’s 5.0 x 5.0 x 1.9-inch shell — sizes that simply don’t have room for a SODIMM slot’s clearance.
- You’re buying into a unified memory architecture for its bandwidth. The Mac mini soldering memory next to the chip package is part of how it achieves high memory bandwidth for its integrated GPU cores — a tradeoff many creative professionals accept in exchange for locking in capacity at purchase.
- Power efficiency matters more than flexibility. Soldered LPDDR4X and LPDDR5 typically draw less power than SODIMM DDR4/DDR5 at equivalent capacity, which matters for battery-adjacent or fanless designs.
The rule of thumb: if you can specify your exact target RAM capacity today and you’re confident you won’t need more in two or three years, soldered memory is a reasonable trade for a smaller, more efficient, sometimes cheaper machine. If there’s any chance you’ll want to run more browser tabs, virtual machines, or larger creative-software workloads later, prioritize SODIMM.
Matching RAM Type to Common Use Cases
Rather than naming one overall ‘winner,’ the right choice depends on what you’re using the machine for and how your memory needs might change. Based strictly on the upgrade paths and capacities in the chart above:
- Gaming or video editing rigs that may need more headroom later: favor SODIMM models with DDR5 support and a high listed ceiling, such as the ASUS NUC 14 Pro (listed up to 96GB); for models like the ASRock DeskMini X600 or Minisforum UM790 Pro, confirm the manufacturer’s official max capacity via its spec sheet/QVL, so you can add memory if newer games or editing software demand more than your starting configuration.
- A home server or NAS-style box running multiple VMs or containers: the same SODIMM, high-capacity-ceiling models apply, since virtualization workloads tend to consume RAM in ways that are hard to predict at purchase time; confirm the ASRock DeskMini X600’s official max capacity via its spec sheet/QVL, and the Intel NUC 12 Extreme’s dual-slot DDR4 setup also leaves room to grow.
- A basic office, browsing, or digital-signage machine with a known, stable workload: fixed-memory options like the Chuwi LarkBox X or an Apple Mac mini configured with enough RAM up front can be a reasonable, often cheaper or smaller choice, since the workload isn’t expected to outgrow the memory you choose at checkout.
These are starting points based on upgrade headroom alone, not performance benchmarks — always confirm that the specific CPU, GPU, and storage configuration also fit your workload before buying.
Frequently Asked Questions
What’s the difference between SODIMM and soldered RAM?
SODIMM is a small removable memory module that clicks into a slot on the motherboard, so you can take it out and replace it with a higher-capacity module. Soldered RAM is permanently attached to the motherboard during manufacturing and can’t be removed or upgraded without replacing the entire board.
How can I tell if a mini PC has SODIMM or soldered RAM before I buy it?
Check the “Memory” section of the official spec sheet for words like “SODIMM” or “slots” (upgradeable) versus “soldered,” “onboard,” or “unified memory” (fixed). Manufacturer service manuals and community teardown posts are also reliable sources when the spec sheet is vague.
Can I upgrade the RAM in an Apple Mac mini?
No. Every Apple Silicon Mac mini (M1, M2, and M2 Pro models released since 2020) uses soldered unified memory that’s fixed at the time of purchase. This is different from Intel-based Mac minis sold through 2018, which did use upgradeable SODIMM RAM.
What’s the maximum RAM most current mini PCs support?
Among the models compared in this guide, the ASUS NUC 14 Pro is listed for up to 96GB across two SODIMM slots (for the ASRock DeskMini X600, confirm the manufacturer’s official max via its spec sheet/QVL), while most DDR4-based models top out at 64GB.
Does opening a mini PC to upgrade RAM void the warranty?
It depends on the manufacturer and model. Barebone kits from Intel/ASUS NUC, Beelink, Minisforum, GMKtec, and ASRock are explicitly designed for end-user memory installation and generally don’t void the warranty for that specific action. Check your specific model’s warranty terms before opening the case, since sealed or soldered-only designs like the Mac mini have no user-serviceable memory access at all.
Is DDR5 SODIMM backward compatible with a DDR4 SODIMM slot?
No. DDR4 and DDR5 SODIMM modules use different notch positions, different pin counts, and different operating voltages (1.2V for DDR4 versus 1.1V for DDR5), so a DDR5 module physically will not fit into a DDR4 slot or vice versa.
What tools do I need to upgrade RAM in a mini PC?
Most models only require a small Phillips screwdriver (usually a #0 or #1 head) to remove the bottom or side panel. An anti-static wrist strap is recommended but not strictly required if you ground yourself by touching bare metal before handling components.
Are mini PCs with soldered RAM actually faster than ones with SODIMM?
Not inherently. Soldered memory can offer marginally shorter signal paths and sometimes higher-rated speeds, which matters most in integrated-GPU-heavy designs like Apple’s unified memory architecture. For general computing tasks, a properly configured SODIMM system running at its rated speed performs comparably to a soldered system with the same specifications.
Reviewed and edited by Jason Paik. Spotted an error? Tell us — we verify and correct. See how we create content.