9 Best Mini PCs With 128GB RAM in 2026 for Compact Workstations

Need workstation-scale memory without a full-size tower? These nine mini PCs pair 128GB of RAM with AMD’s Ryzen AI Max+ 395, making them worth considering for demanding multitasking, development, creative work, and local AI experiments.

The shared processor does not make them interchangeable. Memory design, storage options, ports, networking, and cooling can determine which one fits your setup—and whether you can expand it later.

Best 9 Mini PCs with 128gb RAM Picks for 2026

Best for Flexible Connectivity – BOSGAME M5 AI Mini PC

Among mini PCs with 128GB RAM, the BOSGAME M5 pairs a Ryzen AI Max+ 395 with 128GB of LPDDR5X-8000 memory and a 2TB SSD. It is a practical fit for buyers who need substantial shared memory for local AI work alongside creative applications.

Best For: Creators and local-AI users who want extensive display and peripheral connections.

Pros:

• 16-core, 32-thread Ryzen AI Max+ 395 and Radeon 8060S integrated graphics.
• Preinstalled 2TB PCIe 4.0 SSD plus a second M.2 slot.
• Dual USB4, HDMI 2.1 and DisplayPort 1.4 outputs, plus 2.5GbE and Wi-Fi 7.

Cons:

• 128GB onboard memory is already the stated maximum, so do not plan on a RAM upgrade.
• The included SSD is 2TB; additional storage requires a separate drive.

The M5 stands out for its mix of high-capacity memory and varied ports. Check your specific model and software requirements before buying it for local AI workloads.

Best for Networked AI Workflows – GEEKOM A9 Mega

The GEEKOM A9 Mega is one of the more network-focused mini PCs with 128GB RAM in this roundup. Its Ryzen AI Max+ 395, 128GB LPDDR5X-8000 memory and 2TB PCIe Gen4 SSD are paired with dual 10GbE ports for moving large project files to network storage.

Best For: Developers and creative studios working with local models and large files on a fast network.

Pros:

• Dual 10GbE ports and Wi-Fi 7 support network-heavy setups.
• Dual M.2 slots support up to 8TB of total storage, according to the supplied specifications.
• Dual USB4 and dual HDMI 2.1 support up to four displays; a three-year limited warranty is included.

Cons:

• Running the advertised large models depends on compatible drivers, inference software and quantized model formats.
• The listed 8TB storage ceiling requires additional drives beyond the included 2TB SSD.

Choose the A9 Mega if fast wired networking matters as much as memory capacity. Its offline AI potential is appealing, but model compatibility is worth checking before purchase.

Best for High-Memory Multitasking – NIMO Ryzen AI Mini PC

For shoppers comparing mini PCs with 128GB RAM, this NIMO desktop combines a Ryzen AI Max+ 395, Radeon RX 8060S integrated graphics and 128GB of 8000MT/s memory. Its included 1TB PCIe 4.0 SSD makes it a starting point for memory-heavy productivity and local AI projects.

Best For: Buyers prioritizing high memory capacity for multitasking and local AI over included storage space.

Pros:

• 16-core, 32-thread Ryzen AI Max+ 395 provides ample CPU resources for demanding tasks.
• 128GB of high-bandwidth memory gives applications and integrated graphics a large shared pool.
• Radeon RX 8060S integrated graphics offer a capable option without a separate graphics card.

Cons:

• The included 1TB SSD offers less storage than the 2TB configurations of the other two products here.
• The supplied notes describe memory expansion but do not provide enough detail to confirm how the 128GB memory can be upgraded.

NIMO’s clearest advantage is its large memory allocation paired with the Ryzen AI Max+ 395. Verify upgrade options and game or model performance against your specific workload rather than relying on the listing’s broad comparisons.

Best for External GPU Expansion – GMKtec EVO-X3 AI Mini PC

Among mini pcs with 128gb ram, the GMKtec EVO-X3 pairs its 128GB LPDDR5X-8000 memory with a Ryzen AI Max+ 395 processor and 2TB PCIe 4.0 SSD. Its OCuLink port makes it a practical choice if you want to add an external GPU later.

Best For: Local AI and creative work on a compact PC with an external-GPU upgrade path.

Pros:

• 16-core, 32-thread Ryzen AI Max+ 395 with a dedicated NPU rated up to 50 TOPS.
• 128GB of fast unified memory supports demanding AI and creative workloads.
• Radeon 8060S integrated graphics and OCuLink PCIe 4.0 x4 expansion.

Cons:

• LPDDR5X memory is installed on-board rather than in standard SODIMM slots.
• OCuLink devices must be connected or disconnected while the PC is powered off.

The EVO-X3 is the flexible pick here if external graphics matter. Check whether your planned GPU dock supports its OCuLink connection before buying.

Best for Multi-Monitor Workstations – MINISFORUM MS-S1 Max

The MINISFORUM MS-S1 Max stands out among mini pcs with 128gb ram for its workstation-oriented connections. Alongside its Ryzen AI Max+ 395, 128GB LPDDR5-8000 memory, and 2TB SSD, it offers five video outputs and dual 10GbE ports.

Best For: Multi-monitor professional setups that need fast wired networking and substantial memory.

Pros:

• Five video outputs: HDMI, two USB4, and two USB4 V2 ports.
• Two 10GbE ports, plus Wi-Fi 7 and Bluetooth 5.4.
• Additional PCIe 4.0 SSD slot with RAID 0 and RAID 1 support.
• 16-core Ryzen AI Max+ 395 and Radeon 8060S graphics.

Cons:

• The internal PCIe x16 slot operates at PCIe 4.0 x4 bandwidth.
• Its peak power rating reaches 160W, worth factoring into a compact-workstation setup.

Choose the MS-S1 Max when display connectivity and networking are higher priorities than a simple desk PC. Its extra SSD slot also leaves room to expand storage.

Best for Local LLM Work – GMKtec X3 AI Mini PC

If you are comparing mini pcs with 128gb ram for local AI, the GMKtec X3 AI combines a Ryzen AI Max+ 395 with a large, shared LPDDR5X memory pool. The supplied notes specifically highlight running local language models, while its OCuLink port offers an external-GPU option.

Best For: Developers and enthusiasts experimenting with local language models on a compact PC.

Pros:

• 128GB LPDDR5X memory rated up to 8000MT/s.
• 16-core Ryzen AI Max+ 395 with an XDNA 2 NPU rated at 50+ peak AI TOPS.
• Radeon 8060S graphics and OCuLink PCIe 4.0 x4 expansion.
• 2.5GbE, Wi-Fi 7, and Bluetooth 5.4 connectivity.

Cons:

• LPDDR5X memory is installed on-board, so it is not a conventional SODIMM upgrade.
• External GPU use requires a separate OCuLink-compatible dock and GPU.

This configuration is appealing when memory capacity matters more than a traditional upgradeable RAM design. The notes contain inconsistent graphics naming, so confirm the listed GPU specification before purchase.

Creator-Friendly Pick – BOSGAME M5 AI Mini PC

Among mini pcs with 128gb ram, the BOSGAME M5 is a practical choice for creators who also run local AI workloads. Its Ryzen AI Max+ 395, shared LPDDR5X memory, and 2TB SSD provide a compact starting point for large projects and demanding multitasking.

Best For: Creators and developers who want local AI capability, strong integrated graphics, and flexible display connections.

Pros:

• 128GB of unified memory gives the CPU and Radeon 8060S graphics a large shared pool.
• Second M.2 PCIe 4.0 slot and SD 4.0 card reader suit growing media libraries.
• Dual USB4, HDMI 2.1, and DisplayPort 1.4 support up to four displays.

Cons:

• The listed graphics are integrated, not a separate graphics card.
• The included 128GB LPDDR5X memory is not presented as upgradeable.

The M5 stands out for its combination of creator-friendly storage and display options. Check whether its integrated graphics and fixed memory configuration fit your longer-term workflow.

Expansion Pick – MINISFORUM MS-S1 MAX AI Workstation

The MINISFORUM MS-S1 MAX is aimed at buyers comparing mini pcs with 128gb ram for local models, fast networking, and hardware expansion. It pairs the Ryzen AI Max+ 395 with LPDDR5x unified memory and offers connections that go beyond a typical compact desktop.

Best For: AI developers and small teams that need dual 10GbE networking, PCIe expansion, or a path toward clustered systems.

Pros:

• 128GB unified memory supports memory-intensive local AI and creative workloads.
• Dual 10GbE, USB4 V2, and a full-length PCIe x16 slot offer substantial connectivity.
• Dual M.2 slots, a slide-out design, and four operating modes add deployment flexibility.

Cons:

• The specified operating system is unclear in the supplied product details.
• Its cluster-focused features may be unnecessary for a straightforward desktop setup.

This is the specialist choice of the three: its networking and expansion options are compelling if you will use them. Confirm the operating system and your intended PCIe setup before ordering.

Storage-Focused Pick – ACEMAGIC M1A PRO+ AI Mini PC

If you are shopping for mini pcs with 128gb ram and expect your project library to grow, the ACEMAGIC M1A PRO+ deserves a look. It combines a Ryzen AI Max+ 395, 128GB LPDDR5X unified memory, and a preinstalled 2TB SSD with three listed M.2 slots.

Best For: Professionals who want ample SSD expansion, dual wired network connections, and a Windows 11 Pro mini workstation.

Pros:

• Three M.2 2280 slots support up to 12TB of total storage, according to the listing.
• Dual 2.5G LAN, WiFi 7, and Bluetooth 5.4 provide varied networking options.
• HDMI 2.1, DisplayPort 2.0, and USB4 support a four-display setup.

Cons:

• The supplied details give conflicting display descriptions, so verify the exact resolution and monitor support.
• Unified LPDDR5X memory is not described as user-upgradeable.

Its clearest advantage is storage flexibility alongside 128GB of shared memory. For a multi-monitor workstation, confirm the display configuration you need rather than relying on the listing’s differing claims.

How We Picked the Best Mini PCs with 128gb RAM

We focused on configurations advertised with 128GB of RAM and compared the specifications most likely to affect a purchase: processor and graphics platform, memory type, included storage, expansion, display outputs, USB connectivity, and networking. The nine listings all name the AMD Ryzen AI Max+ 395, so a different brand badge alone is not a reason to expect a major performance gap. We have not independently benchmarked these units; confirm the exact configuration and current seller specifications before ordering.

Quick Comparison: What Sets Them Apart?

Start by comparing the complete configuration, not just the headline 128GB figure. Several listings specify a 2TB SSD, while others require a closer look at the included drive. The GMKtec EVO-X3 and X3 have similar advertised core specifications, and the two BOSGAME M5 and two MINISFORUM MS-S1 Max entries may represent different listings or configurations of closely related machines. Check their model numbers and port diagrams rather than assuming either that they are identical or that one is an upgrade.

For a desk with multiple displays or fast external drives, inspect the MINISFORUM listings’ USB4 and video-output claims carefully. The ACEMAGIC listing explicitly calls out Wi-Fi 7 and dual 2.5GbE; verify networking on the others if those features matter to you.

Key Buying Factors for Mini PCs with 128gb RAM

Memory Architecture and Real Workloads

Check whether the 128GB is soldered LPDDR5X or replaceable memory. Many Ryzen AI Max+ systems use high-speed integrated memory, so capacity may be fixed for the life of the PC. That can suit large datasets, virtual machines, and memory-intensive creative projects, but do not buy 128GB solely because it is available. For local AI, advertised memory capacity is not the same as a guaranteed usable GPU allocation; software support and workload size matter too.

Storage, Ports, and Sustained Performance

Confirm the included SSD capacity, the number of M.2 slots, and whether adding a drive affects other features. Match display ports and USB4 capabilities to your monitors, docks, and external storage; similarly named ports can support different speeds or display functions. Under lengthy renders or AI tasks, cooling and power settings can influence sustained performance. Look for independent testing of noise, temperatures, and power draw when available.

Warranty and Listing Accuracy

Check the seller’s return policy and warranty coverage, especially where nearly identical product names appear. Confirm the operating system, power adapter, and regional support in the exact listing you plan to buy.

Who Should Buy Which Mini PCs with 128gb RAM?

Choose the configuration with verified fast networking if it will serve files or sit on a wired office network. Prioritize confirmed display outputs and USB4 features for a multi-monitor workstation. If you expect storage-heavy projects, choose a listing with a clearly specified 2TB drive and room to expand. For everyone else, compare the total price, warranty, and independently verified cooling of the exact configuration: with the same advertised CPU and 128GB capacity across this group, those details are likely to make the more useful difference.