The PCBuilder Cube Intel i5-1235U Mini PC delivers capable everyday performance in a compact, space-saving design. With 8GB DDR4 memory, a 512GB NVMe SSD, Intel Iris Xe Graphics and Windows 11 Home, it is ready for work, productivity and business applications.
Ideal for offices, home workspaces, POS systems and digital signage, this Mini PC also offers Wi-Fi 6, 2.5Gb Ethernet, Thunderbolt 4 and versatile display connectivity. Buy now and enjoy a compact computing solution built for modern South African users.
Performance tier: Mid-range
Uses: Office productivity, home office, business applications, POS systems, digital signage, web browsing, video conferencing, multi-monitor setups
Overview:
The PCBuilder CUBE Intel i5-1235U Mini PC delivers a practical combination of performance, compact design and versatile connectivity for modern work environments. Powered by a 12th Gen Intel Core i5-1235U processor with 10 cores and speeds of up to 4.4GHz, it is well suited to office applications, multitasking, point-of-sale systems, digital signage, presentations and general business use.
With 8GB DDR4 memory and a 512GB Gen3 M.2 NVMe SSD, the CUBE-i5 provides responsive everyday performance with fast system boot times and application loading. Intel Iris Xe Graphics handles high-resolution display output, while the compact chassis takes up very little desk space and can be mounted behind a compatible monitor using the included VESA bracket.
Description The PCBuilder CUBE-i5 is a compact Intel mini PC designed for users who need capable computing performance without the size of a traditional desktop tower. Its Intel Core i5-1235U processor combines 2 performance cores and 8 efficiency cores with 12 threads, allowing the system to handle multiple applications efficiently.
The 512GB NVMe SSD provides fast access to files and applications, while the DDR4-3200 memory supports smooth everyday multitasking. Memory can also be expanded up to 64GB, providing additional flexibility for demanding business workloads.
For display connectivity, the mini PC includes two HDMI 2.1 ports and a Thunderbolt 4 Type-C port. This gives the system plenty of flexibility for multi-display workstations, presentations and high-resolution digital signage. The Thunderbolt 4 connection supports data transfer speeds of up to 40Gbps and display output up to 8K at 60Hz.
Networking is equally versatile. Built-in Intel Wi-Fi 6 provides fast wireless connectivity, while Bluetooth 5.2 supports compatible wireless accessories. A 2.5Gbps RJ45 Ethernet connection is also included for users who prefer a wired network connection.
Features:
Compact Intel Mini PC for Business and Home Use The PCBuilder CUBE-i5 is small enough to fit neatly into compact workspaces while still providing the connectivity expected from a full desktop computer. It can be positioned on a desk or attached behind a compatible monitor using the included VESA mounting bracket.
The built-in Kensington lock slot can provide an additional layer of physical security in shared environments such as offices, classrooms, retail counters and public-facing installations.
Fast Processing and Responsive Storage The Intel Core i5-1235U gives this mini PC a strong balance between performance and efficiency. Its 10-core design is well suited to everyday productivity, multitasking, web applications, office software and business systems.
Key hardware includes:
Intel Core i5-1235U processor with 10 cores and 12 threads
Processor speeds of up to 4.40GHz with 12MB Intel Smart Cache
Intel Iris Xe integrated graphics
8GB DDR4-3200 SO-DIMM memory
Memory support up to 64GB
512GB Gen3 M.2 NVMe SSD
15W processor TDP
Flexible Display and Peripheral Connectivity Multiple high-speed ports make the PCBuilder CUBE suitable for workstations and specialised installations. The front panel provides convenient access to USB, audio, Ethernet and Thunderbolt connectivity, while the rear panel adds HDMI and additional USB ports.
Port selection includes:
1x Type-C Thunderbolt 4, up to 40Gbps, supporting up to 8K at 60Hz
2x USB 3.2 ports on the front, up to 10Gbps
2x USB 3.2 Gen 2 ports on the rear, up to 10Gbps
2x HDMI 2.1 ports supporting up to 4K at 60Hz
1x 2.5Gbps RJ45 Ethernet port
1x 3.5mm AUX dual line-out and microphone connection
1x microSD card reader supporting cards up to 32GB
The combination of HDMI and Thunderbolt 4 connectivity makes the CUBE-i5 suitable for multi-screen setups, helping users keep more applications visible at the same time.
Wi-Fi 6 and 2.5Gbps Ethernet Fast networking is built into the PC. Intel Wi-Fi 6 supports modern wireless networks, while the 2.5Gbps Ethernet connection provides a high-speed wired option where a network cable is preferred. Bluetooth 5.2 is also available for compatible keyboards, mice, headsets and other wireless peripherals.
Storage Expansion Options The installed 512GB Gen3 M.2 NVMe SSD provides fast primary storage for Windows, applications and documents. The system also includes an additional 2.5-inch SATA storage slot, giving users the option of adding more storage capacity when required.
Storage options include:
1x M.2 PCIe 4.0 NVMe SSD slot
1x 2.5-inch SATA storage slot
1x microSD card reader supporting up to 32GB
Windows 11 Home Ready to Use The PCBuilder CUBE-i5 comes with Microsoft Windows 11 Home installed, providing a familiar environment for work, study, browsing, entertainment and general desktop computing. Windows 11 includes tools such as Snap Layouts and virtual desktops to help organise applications and make better use of the available screen space.
Space-Saving VESA Mountable Design Measuring only 12.5 x 11 x 4.3 cm and weighing approximately 420g, this compact mini PC can be placed in areas where a conventional desktop would be impractical. The included VESA mounting bracket allows the CUBE to be installed behind a compatible monitor for a cleaner workstation with fewer items occupying the desk.
Its black and anodised grey construction combines PC, ABS and aluminium alloy materials, while the compact enclosure is designed for temperatures from 0 degrees C to 40 degrees C.
Ideal Applications for the PCBuilder CUBE-i5 The combination of compact dimensions, Intel processing power and extensive connectivity makes this mini PC suitable for a range of applications. It can be used as a business workstation, POS computer, digital signage controller, home office PC or general-purpose desktop.
Common uses include:
Office productivity and business applications
Point-of-sale and retail systems
Digital signage and display installations
Web browsing and cloud-based applications
Video conferencing
Home office computing
Multi-monitor workstations
General desktop and administrative tasks
Technical Details
Operating system: Microsoft Windows 11 Home
Processor: Intel Core i5-1235U, 10 cores, 12 threads, up to 4.40GHz
Graphics: Intel Iris Xe Graphics
Memory: 8GB DDR4-3200 SO-DIMM, 1 x 8GB
Maximum memory: Up to 64GB
Storage: 512GB Gen3 M.2 NVMe SSD
LAN: 2.5Gbps Ethernet
Wireless: Intel Wi-Fi 6, 802.11a/b/g/n/ax
Bluetooth: Version 5.2
VESA mounting: Included
Power input: 100-240V, 50/60Hz
DC output: 65W, 19V/3.42A
Product dimensions: 12.5 x 11 x 4.3 cm
Product weight: 420g
Colour: Black and anodised grey
Kensington lock: Yes
Operating temperature: 0 degrees C to 40 degrees C
For ordering and product identification, the PCBuilder CUBE Intel i5-1235U model is listed under part number / SKU PCB_CUBE_I58G_HOME_V2.
Whats in the Box The package includes the PCBuilder CUBE Intel i5-1235U Mini PC with 8GB DDR4 memory, 512GB SSD and Windows 11 Home, together with the required mounting and power accessories.
PCBuilder CUBE Intel i5-1235U 8GB DDR4 512GB Windows 11 Home Mini PC x1
Specifications are subject to change without notice. E&OE. Prices are a guide only, and are valid on 2026-10-16 only, subject to stock being available.The specifications displayed above apply to the entire range and may not apply to this specific model. Kindly note that options cannot be changed for most models, and some options are not available in South Africa.