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100.99 GBP
ASRock J4105B ITX Intel CPU Motherboard
ASRock (4717677334906 / J4105B-ITX) - 64-bit Support - HDMI connection - Integrated Graphics Supported - Internal USB 3.0 Header - SATA III Support - SATA Supported - USB 3
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ASRock J4105B‑ITX: The Compact Powerhouse for Modern Mini PCs
The ASRock J4105B‑ITX is a Mini‑ITX motherboard engineered to deliver reliable performance in the smallest form factor. Built around Intel’s Celeron J4105 SoC, it offers a balanced mix of power efficiency, integrated graphics, and versatile connectivity—all within a 170 mm × 170 mm footprint.
Core Architecture & CPU Integration
The board features a single integrated Celeron J4105 processor, a quad‑core 64‑bit CPU running at a base frequency of 1.5 GHz. The SoC includes an integrated Intel UHD Graphics 600, supporting resolutions up to 4096 × 2160 p (4K). With a 4 MB L2 cache, the J4105 delivers smooth multitasking for everyday workloads and light media editing.
Memory & Expansion
Dual‑channel DDR4** SO‑DIMM slots** allow up to 8 GB of RAM, with supported speeds of 2133 MHz** and 2400 MHz. The board’s memory architecture is optimized for low power consumption, making it ideal for silent or space‑constrained builds.
Expansion is limited to a single PCIe 3.0 x16** slot**, which can accommodate low‑profile GPUs or NVMe adapters if needed. No additional PCIe x1, x4, or x8 slots are present.
Storage & Connectivity
The J4105B‑ITX offers two SATA III 6 Gb/s ports**, enabling dual hard drives or SSDs. While it lacks M.2 support, the SATA interface ensures compatibility with a wide range of storage devices.
USB connectivity includes three USB 3.1 Gen 2** ports**, one USB 3.0 port, and two USB 2.0 ports. The board also provides a USB 3.2 Gen 1** header** for front‑panel USB expansion.
For legacy support, a 1× PS/2** keyboard/mouse combo port**, a 1× parallel port**, and a 1× serial COM port** are available. A single RJ‑45 Gigabit Ethernet** port (Realtek RTL8111H) delivers reliable wired networking.
Audio & Video Output
The integrated Realtek ALC887** audio codec** supports 7.1‑channel surround sound, with three 3.5 mm jacks for line‑in, line‑out, and microphone connections.
Video output is provided through a single HDMI 1.4** port** and a VGA (D‑Sub)** connector, allowing dual monitor setups up to 4K resolution.
Power & Cooling
The board uses a standard 20+4‑pin ATX power connector**. It supports one CPU fan and one chassis fan, keeping thermal performance within the 10 W** power envelope. This low TDP makes it suitable for quiet, fan‑less or low‑profile cases.
BIOS & Firmware
The UEFI AMI BIOS** (128 MB) provides a modern interface for configuration, including fan control, power management, and BIOS updates. The firmware supports ACPI 5.0** and SMBIOS 3.0**, ensuring compatibility with the latest operating systems.
Operating System Compatibility
The J4105B‑ITX is fully compatible with all Windows 10** editions (Home, Pro, Enterprise, Education) and Windows 11**, as well as a range of Linux distributions. The integrated graphics support DirectX 12 and OpenGL 4, enabling smooth gaming and media playback.
Use Cases & Ideal Builds
- Home Theater PC (HTPC): The low power draw, integrated graphics, and dual‑monitor support make it perfect for media centers.
- Compact Workstation: With up to 8 GB RAM and dual SATA drives, it can handle office productivity, light photo editing, and virtualization.
- Embedded Systems: The small footprint, low heat output, and robust connectivity suit kiosk or digital signage applications.
- DIY Mini PC: Enthusiasts can build a silent, space‑saving desktop for everyday use.
Key Takeaways
The ASRock J4105B‑ITX** delivers a well‑rounded feature set for its size:
- Integrated quad‑core Intel Celeron J4105 with UHD 600 graphics.
- Dual‑channel DDR4 SO‑DIMM support up to 8 GB.
- Two SATA III ports, one PCIe x16 slot, and comprehensive legacy connectivity.
- Realtek ALC887 audio with 7.1‑channel output.
- Compact Mini‑ITX form factor (170 mm × 170 mm).
Whether you’re building a home media hub, a compact office PC, or an embedded solution, the ASRock J4105B‑ITX** offers a reliable, feature‑rich foundation that won’t compromise on performance or expandability.
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Category
This product is cataloged in our store in these categories
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- Motherboards for computer |
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International
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   225.92 EUR  63.99 EUR |
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Predominant colors of the product |
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| Tags | Intel J4105 |
| Identifiers | |
| Brand |  ASRock is a Taiwanese computer hardware manufacturer that produces motherboards, graphics cards, and other computer hardware. The company was founded in 2002 and is headquartered in Taipei. ASRock is a subsidiary of Pegatron. |
| MPN | ASRock J4105B-ITX |
| Model | ASRock J4105B-ITX |
| ID | 7654315 |
| Dimensions / Weight | |
| Key Features | |
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64-bit Support Indicates whether the product can run or is compatible with a 64‑bit operating system or architecture. A value of "Yes" means the device supports 64‑bit software, while "No" indicates it does not.
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Yes |
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Addressable RGB Indicates whether the product supports individually addressable RGB lighting, allowing each LED to be controlled independently for custom color and effects.
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No |
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Audio line in ports Indicates how many audio input connectors are available on the product, such as 3.5 mm jacks, mini‑jacks or optical inputs. The value is a simple integer representing the total count of these ports, regardless of their specific type or version.
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1 x 3.5mm Jack |
| Bluetooth | No |
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Chassis intrusion connector Indicates whether a computer chassis includes a dedicated intrusion connector, which allows the attachment of security or monitoring devices to detect unauthorized access. A value of "Yes" means the connector is present; "No" means it is absent.
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1 x Chassis Intrusion |
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Chipset manufacturer The company that designs and produces the chipset used in a motherboard or other computer component. This value helps users identify the source of the chipset technology, assess compatibility, support, and performance expectations.
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Intel |
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Cooling fan support A list of the fan header types that a motherboard or system board provides for connecting cooling fans and related components such as water pumps or chassis fans. Each entry describes a specific header, e.g., "CPU Fan", "Chassis Fan", "System Fan", "Water Pump Fan" or combinations thereof. The values are typically separated by commas or spaces and may include multiple headers in one string.
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1 x CPU fan1 x Chassis fan |
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CPU Socket The physical connector used by a processor to attach to a motherboard or other compatible platform, such as LGA 1151, BGA 1440, Socket AM4, or LGA 1200. This attribute indicates the exact socket designation required for proper CPU installation and compatibility with other hardware components.
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Integrated CPU |
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CPU Speed The maximum operating frequency of a central processing unit (CPU), expressed in hertz (Hz). This value indicates how many cycles per second the CPU can execute under normal conditions and is useful for comparing performance potential across different models.
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1.5 GHz |
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Displayport connection Indicates whether the product includes at least one DisplayPort connector for high‑resolution video and audio transmission. A value of "Yes" means the device has a physical DisplayPort port; "No" indicates it does not.
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No |
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Drivers A list of software driver types that the product supports or includes, such as TWAIN, WIA, ISIS, or other platform‑specific driver interfaces. Each entry indicates a distinct driver protocol that can be used to communicate with the device or software.
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Included |
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DVI connection Indicates whether the product includes a DVI (Digital Visual Interface) port for video output. A value of "Yes" means the device has a DVI connector; "No" means it does not.
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No |
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Firewire Indicates whether the product has any FireWire (IEEE 1394) ports available for connecting compatible devices.
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No |
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Form factor Specifies the physical configuration or design of a product, such as ATX, Micro‑ATX, Mini‑ITX, tower, case with cover, etc. It describes how the device is built and what mounting or expansion options it supports.
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Mini-ITX Motherboard |
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Graphics chipset The exact model or designation of the graphics processing unit (GPU) installed in a device, such as "Intel UHD Graphics 620", "NVIDIA GeForce RTX 2070" or "AMD Radeon RX 580". It identifies the specific GPU variant used for rendering and video processing, allowing users to compare visual performance and compatibility across products.
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Intel UHD 600 |
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HDMI connection The total count of physical HDMI connectors available on the product for transmitting digital audio and video signals.
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Yes |
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Integrated Graphics Supported Indicates whether a device includes an integrated graphics processor, such as Intel HD Graphics or AMD Radeon Vega. The value is "Yes" if the product has built‑in GPU capabilities and "No" otherwise.
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Yes |
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Internal USB 3.0 Header Indicates whether the product includes an internal USB 3.0 header that can be used to connect peripherals such as keyboards, mice or storage devices directly inside the system. A value of "Yes" means the header is present and usable; "No" means it is absent.
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Yes |
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Keyboard/mouse combo port Indicates how many integrated keyboard and mouse combo ports are present on a computer or peripheral, typically expressed as a count (e.g., "1" for one port). This attribute helps users determine the availability of a combined input interface without needing separate connectors.
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1 x PS/2 |
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L2 cache The amount of internal memory reserved for a processor’s L2 cache, expressed as a pair of values: the number of banks and the capacity per bank (e.g., "4 x 256 KB"). This format allows specification of both the count of cache banks and the capacity of each bank, which together determine the total L2 cache available to the CPU.
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4 MB |
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Length The linear dimension of a product measured in a standard unit such as meters, centimeters or inches. It represents the overall size along one axis and is used to compare physical dimensions across similar items.
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170 mm |
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M.2 Support Indicates whether the product includes an M.2 interface for connecting storage or expansion devices such as SSDs, Wi‑Fi cards, or NVMe modules.
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No |
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Maximum RAM The largest amount of random‑access memory (RAM) that a device can support, expressed as a data size such as megabytes or gigabytes. It indicates the upper limit of memory capacity for active processes and multitasking performance.
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8 GB |
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Memory channel The number of memory channels supported by a motherboard or processor, indicating how many independent data paths are available for RAM modules. Common values include "Single", "Dual (2)", "Quad (4)" and similar descriptors. This attribute helps users understand the potential memory bandwidth and upgrade options for a system.
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Dual |
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Memory slot The count of physical memory slots available on a device for installing RAM modules. It indicates how many separate memory sticks can be installed or upgraded.
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2 x SO-DIMM |
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Motherboard form factor The physical layout and size classification of a motherboard, such as ATX, Micro‑ATX, Mini‑ITX, or other standardized formats. It indicates the dimensions, mounting points, and expansion capabilities that determine compatibility with computer cases and components.
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ITX |
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Multi GPU Support Indicates whether a graphics card or motherboard can operate with more than one GPU simultaneously, and if so, which multi‑GPU technologies are supported (e.g., CrossFire, NVLink). The value is typically a textual description of the supported configuration.
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No |
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Network Speeds Supported A list of the maximum data transfer rates that a network interface can support, expressed in bits per second or common abbreviations such as Gbps or Mbps. Each value indicates a speed that the device is capable of achieving over a wired connection.
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10/100/1000 Mbps |
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Number of PCI Express Slots The total count of PCI Express expansion slots available on the product, regardless of their lane configuration (x1, x4, x8, or x16). This value indicates how many separate PCI Express interfaces can be used to install cards such as graphics, network, or storage adapters.
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1 x PCI Express 2.0 x16 (@ x2) |
| On-board Audio Type | 7.1 |
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On-board RGB Control Indicates whether a product has integrated RGB lighting that can be controlled directly from the board or motherboard, and if so, which software or firmware interface is used (e.g., Aura Sync, Mystic Light, RGB Fusion). This attribute helps users identify compatibility with RGB management tools and understand how to customize lighting effects.
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None |
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Power connector port Specifies the type and configuration of power connectors present on a computer or electronic device, such as ATX, EPS, CPU, or 12V sockets, including pin counts and optional secondary pins (e.g., "1 x 20+4-pin ATX"). The value is a textual description that conveys which power ports are available for connecting the system’s power supply.
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1 x 20+4-pin ATX |
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Processor number The unique model designation of a computer processor, such as "8250U" or "i7-1165G7". It identifies the specific CPU used in a device and can be compared across products to infer performance, generation, and compatibility.
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J4105 |
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Raid supported A comma‑separated list of the RAID levels that a storage device or controller can support, such as 0, 1, 5, 10, and special modes like JBOD. Each entry represents an independent configuration option available to the user.
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No |
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RJ-45 ports Represents the total count of RJ‑45 Ethernet interfaces present on a product. Each port can accept a standard Ethernet cable for wired network connectivity.
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1 x RJ-45 |
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SATA III Support Indicates whether the product includes a SATA III interface for connecting storage devices such as hard drives or SSDs. A value of "Yes" means the device has at least one SATA III port, while "No" indicates it does not.
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Yes |
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SATA Supported Indicates whether the product includes a SATA interface for connecting storage devices. A value of "Yes" means the device has at least one SATA port, while "No" indicates it does not.
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Yes |
| Socket | Integrated Processor |
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Software Included A list of software programs and utilities that come pre-installed or bundled with the product, such as operating systems, drivers, antivirus suites, or other essential applications.
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UtilitiesAntiVirus Software (Trial Version)Google Chrome Browser and Toolbar |
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Thunderbolt The total count of Thunderbolt interfaces available on the product, indicating how many separate Thunderbolt connections it supports.
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No |
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USB 3.0 Support Indicates whether the product includes a USB 3.0 interface, allowing faster data transfer speeds compared to earlier USB standards.
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Yes |
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USB 3.1 Support Indicates whether the product includes a USB 3.1 interface, allowing faster data transfer rates compared to earlier USB standards. A value of "Yes" means the device has at least one USB 3.1 port; "No" indicates it does not.
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No |
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USB Connectors A comma‑separated or bullet‑pointed enumeration of the USB ports present on a product, indicating each USB interface type (e.g., USB 2.0, USB 3.0, USB 3.1 Gen 1/Gen 2, Type‑C) and its quantity.
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1 x USB 3.02 x USB 2.0 |
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VGA connection Indicates whether the product includes a VGA (Video Graphics Array) port for analog video output. A value of "Yes" means the device has a VGA connector; "No" indicates it does not.
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Yes |
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Wireless LAN Indicates the wireless local area network (LAN) capabilities of a product, such as supported Wi‑Fi standards and features. The value is typically a textual description of the standard(s) or technology used.
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No |
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Wireless Network Indicates whether a product has built‑in wireless networking capability, allowing it to connect to Wi‑Fi networks without requiring an external adapter or dongle.
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No |
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