The PCBuilder CUBE-100U Intel Core 3 Mini PC delivers full desktop-class functionality in an exceptionally compact form factor. Built for office work, digital signage, point-of-sale systems and everyday business computing, this space-saving PC combines a capable Intel processor, fast DDR5 memory, NVMe storage and modern connectivity in a small 470g chassis.
The PCBuilder CUBE-100U is designed for users who need dependable performance without taking up valuable desk space. Its Intel Core 3 100U processor provides 6 cores and 8 threads with boost speeds of up to 4.70GHz, making it well suited to multitasking, productivity software, web applications and other everyday business workloads.
With 12GB of DDR5-5600 memory and a 512GB Gen3 M.2 NVMe SSD, the CUBE-100U provides fast system startup, responsive application loading and smooth day-to-day operation. The two DDR5 SO-DIMM slots also allow the memory capacity to be expanded when additional performance is required.
Compact Intel Mini PC for Business and Office Use
The CUBE-100U offers a practical alternative to a conventional desktop PC when workspace is limited. Its compact 13 x 12.7 x 4.7 cm chassis can be positioned neatly on a desk or mounted behind a compatible monitor using the included VESA bracket.
It is suitable for a wide range of applications, including:
Intel Core 3 100U Processing Power
At the centre of the PCBuilder CUBE is the Intel Core 3 100U processor. With 6 cores, 8 threads, 10MB of cache and speeds of up to 4.70GHz, it provides a strong balance of responsiveness and energy efficiency for everyday computing.
The processor uses 2 performance cores and 4 efficient cores, allowing the system to handle multiple applications while maintaining a compact, low-power design. With a 15W TDP, the CUBE-100U is well suited to environments where efficient operation is important.
Fast DDR5 Memory and NVMe Storage
The system comes equipped with 12GB of DDR5-5600 SO-DIMM memory and a 512GB Gen3 M.2 NVMe SSD. This combination helps deliver quick boot times, responsive application loading and fast access to files.
The internal storage platform supports two M.2 PCIe NVMe SSDs, providing additional flexibility for users who need more storage or want to separate operating system and data storage.
Key memory and storage details include:
High Resolution Display Support
Intel Graphics provides support for high-resolution displays, making the CUBE-100U suitable for office applications, presentations, digital signage and multi-screen workstations.
The Type-C USB4 port can support resolutions up to 7680 x 4320 at 60Hz, while the rear DisplayPort supports up to 3840 x 2160 at 144Hz and HDMI 2.1 supports up to 3840 x 2160 at 60Hz. This allows users to build a flexible multi-display workstation for improved productivity.
USB4, USB 3.2 and Network Connectivity
Connectivity is one of the strengths of this compact Intel Mini PC. The front-mounted USB4 Type-C port supports data transfer speeds of up to 40Gbps, while four USB 3.2 ports provide additional high-speed connections for peripherals, storage devices and other accessories.
Network connectivity includes dual 2.5Gbps RJ45 Ethernet ports, providing fast wired networking for business environments. Intel Wi-Fi 6 and Bluetooth 5.2 are also built in for convenient wireless connectivity.
Available connections include:
Windows 11 Pro Ready for Business
The PCBuilder CUBE-100U comes supplied with Microsoft Windows 11 Pro 64-bit, providing a familiar operating environment for professional and home users. Windows 11 includes tools such as Snap Layouts and multiple desktops to help organise applications and make better use of available screen space.
The combination of Windows 11 Pro, fast NVMe storage and DDR5 memory makes this mini PC ready for productivity applications, browser-based workflows, administration and other common business tasks.
Space Saving VESA Mount Design
The compact CUBE-100U can be mounted behind a compatible monitor or beneath a desk using the included VESA mounting bracket. This helps reduce desktop clutter and creates a cleaner installation, particularly in offices, reception areas, retail counters and digital signage applications.
A Kensington lock slot is also included, providing an additional physical security option for shared or public-facing environments.
PCBuilder CUBE-100U Technical Details
The PCBuilder CUBE-100U is supplied under part number / SKU PCB_CUBE_100U12G_OFFICE, making it easy to identify when ordering, configuring or managing stock.
What Is Included
The package contains the PCBuilder CUBE Intel Core 3-100U Mini PC with 12GB DDR5 memory, 512GB NVMe storage and Windows 11 Pro, together with the accessories required for installation.
A Small PC With Flexible Business Potential
The PCBuilder CUBE-100U combines a compact footprint with capable Intel processing, fast DDR5 memory, NVMe storage, Wi-Fi 6, 2.5Gbps Ethernet and USB4 connectivity. Its VESA mounting capability and low-power design make it particularly useful where space, connectivity and efficient operation are important.
For office users, retail installations, digital signage and compact workstations, this Intel Core 3 Mini PC provides a practical Windows 11 Pro computing platform while keeping the physical footprint to a minimum.
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Specifications | |
| Product Code | PCB_CUBE_100U12G_OFFICE |
| Operating System | Microsoft Windows 11 Pro |
| CPU | Intel Core 3 processor 100U (6 cores/8 threads, 10MB Cache, up to 4.70GHz) |
| GPU | Intel Graphics |
| Memory Installed | 12GB DDR5 5600MHz SODIMM Memory x1 |
| Memory Slots | 2x Dual-channel DDR5 SO-DIMM (up to 96GB@5200MHz) |
| Storage | 512GB Gen3 M.2 NVMe SSD |
| Storage Slots | 2x M.2 PCIe 4.0 NVMe (SSD) |
| Wireless LAN | Intel Wi-Fi 6 (Wi-Fi 802.11 a/b/g/n/ac/ax) |
| Bluetooth | V5.2 |
| Ports (Front) | 1x 3.5mm AUX (dual line-out mic-in) |
| 1x Type-C (USB4 up to 40Gbps) 7680x4320 (8K@60Hz) | |
| 2x USB3.2 (up to 10Gbps) | |
| Ports (Back) | 2x USB3.2 (up to 10Gbps) |
| 1x DP 3840x2160 (4K@144Hz) | |
| 1x HDMI 2.1 3840x2160 (4K@60Hz) | |
| 2x RJ45 Gigabit Ethernet (2.5Gbps) | |
| 1x DC power | |
| VESA Mount | Yes (100/75mm , included) |
| AC Input | 100-240V (50/60Hz) |
| DC Output | 65W (19V/3.42A) |
| Total Draw Power (TDP) | 15W |
| Kensington Lock Slot | Yes |
| Colour | Black |
| Material | PC & ABS |
| Operating Temperature | 0degreesC to 40degreesC |
| Product Dimensions | 13 x 12.7 x 4.7 cm |
| Product Weight | 470g |
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