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Green Mini-ITX board with silver CPU cooler and black ports

ASRock

ASRock J3455-ITX Intel J3455 2.3GHz Mini-ITX embedded solution

SKU CH-SQZ7-X9KJG

Mini-ITX board with soldered quad-core CPU up to 2.3 GHz, dual-channel DDR3/DDR3L to 16 GB, triple 4K display outputs, and dual gigabit LAN

  • Combo TypeMotherboard / CPU Combo
  • CPUIntel Quad-Core Processor J3455 (up to 2.3GHz)
  • Number of Memory Slots2x204pin SO-DIMM
  • Memory StandardDDR3/DDR3L 1866/1600/1333
  • Maximum Memory Supported16GB
  • Channel SupportedDual Channel
  • Quad-core J3455 up to 2.3 GHz for compact embedded builds
  • Dual-channel DDR3/DDR3L up to 16 GB across two SO-DIMM slots
  • Integrated Intel HD Graphics 500 with 12 EUs at 750 MHz for DirectX 12 support
  • Triple-display output via D-Sub, DVI-D and HDMI 4K at 60 Hz
  • Gigabit LAN plus four SATA3 6.0 Gb/s ports and M.2 Key E for Wi-Fi/BT

Mini-ITX embedded board with soldered J3455 CPU

This ASRock J3455-ITX combines an Intel J3455 quad-core processor running up to 2.3GHz with a Mini-ITX motherboard in a single embedded solution. The CPU is soldered, so no separate socket or cooler selection is required. It targets builders assembling compact, fanless or low-power systems such as home servers, digital signage players or thin clients.

Check SO-DIMM slots and SATA ports before ordering

The board provides two 204-pin SO-DIMM slots for DDR3 or DDR3L memory at 1866, 1600 or 1333 MT/s, supporting up to 16GB in dual-channel mode. Expansion is limited to one PCI Express 2.0 x1 slot and one M.2 Key E 2230 socket for Wi-Fi/Bluetooth. Storage connects through four SATA3 6.0Gb/s ports, two native and two via an ASMedia ASM1061 controller.

Low thermal output suits passive cooling

The integrated Intel HD Graphics 500 with 12 execution units up to 750MHz handles DirectX 12 and drives up to three displays via D-Sub, DVI-D and HDMI, with HDMI reaching 4096x2160 at 60Hz. The J3455's low TDP keeps heat and noise minimal, making the board practical for passively cooled enclosures. Power draw in normal use stays modest, and the Realtek ALC892 provides 7.1-channel audio alongside gigabit LAN.

Highlights

  • Quad-core J3455 up to 2.3 GHz for compact embedded builds
  • Dual-channel DDR3/DDR3L up to 16 GB across two SO-DIMM slots
  • Integrated Intel HD Graphics 500 with 12 EUs at 750 MHz for DirectX 12 support
  • Triple-display output via D-Sub, DVI-D and HDMI 4K at 60 Hz
  • Gigabit LAN plus four SATA3 6.0 Gb/s ports and M.2 Key E for Wi-Fi/BT

Specifications

BrandASRock
ModelJ3455-ITX
Combo TypeMotherboard / CPU Combo
CPUIntel Quad-Core Processor J3455 (up to 2.3GHz)
Number of Memory Slots2x204pin SO-DIMM
Memory StandardDDR3/DDR3L 1866/1600/1333
Maximum Memory Supported16GB
Channel SupportedDual Channel
PCI Express x11 x PCI Express 2.0 x1 Slot
Other Slots1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module
SATA2 x SATA3 6.0Gb/s Connectors, support NCQ, AHCI and Hot Plug
2 x SATA3 6.0Gb/s Connectors by ASMedia ASM1061, support NCQ, AHCI and Hot Plug
Onboard Video ChipsetIntegrated Intel HD Graphics 500: 12 EUs inside (Up to 750MHz)
DirectX 12, Pixel Shader 5.0
Three graphics output options: D-Sub, DVI-D and HDMI
Supports Triple Monitor
Supports HDMI with max. resolution up to 4K x 2K (4096x2160) @ 60Hz
Supports DVI-D with max. resolution up to 1920 x 1200 @ 60Hz
Supports D-Sub with max. resolution up to 2048 x 1536 @ 60Hz
Supports Auto Lip Sync, xvYCC and HBR (High Bit Rate Audio) with HDMI Port (Compliant HDMI monitor is required)
Supports HW Accelerated Decoders: H.264 @ level 5.2, HEVC (H.265) 10b @MP level 5.1 (GPU accelerated), JPEG, VP8, VP9
S
Audio ChipsetRealtek ALC892
Audio Channels7.1 Channels
LAN ChipsetRealtek 8111GR
LAN Speed10/100/1000Mbps
PS/21 x PS/2 Mouse Port
1 x PS/2 Keyboard Port
Video Ports1 x D-Sub Port
1 x DVI-D Port
HDMI1 x HDMI
USB 1.1/2.02 x USB 2.0 Ports (Supports ESD Protection (ASRock Full Spike Protection))
USB 3.02 x USB 3.0 Ports (Supports ESD Protection (ASRock Full Spike Protection))
S/PDIF Out1 x Optical
Audio PortsHD Audio Jacks: Side Speaker / Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone
Onboard USB2 x USB 2.0 Headers (Support 3 USB 2.0 ports) (Supports ESD Protection (ASRock Full Spike Protection))
1 x USB 3.0 Header (Supports 2 USB 3.0 ports) (Supports ESD Protection (ASRock Full Spike Protection))*
*USB3_0_1 is shared with USB_0_1.
Other Connectors1 x COM Port Header
1 x TPM Header
1 x Chassis Intrusion and Speaker Header
1 x CPU Fan Connector (3-pin)
1 x Chassis Fan Connector (3-pin)
1 x 24 pin ATX Power Connector
1 x Front Panel Audio Connector
FeaturesUnique Feature
ASRock Super Alloy
- High Density Glass Fabric PCB
ASRock Full Spike Protection
ASRock Live Update & APP Shop
BIOS
- 64MB AMI UEFI Legal BIOS with GUI support
- Supports Plug and Play
- ACPI 5.0 compliant wake up events
- Supports jumperfree
- SMBIOS 3.0 support
Software
- ASRock Power Gear
- ASRock XFast LAN*
*These utilities can be downloaded from ASRock Live Update & APP Shop.
UEFI
- ASRock Power Gear
- ASRock Instant Flash
- ASRock Internet Flash
- ASRock Crashless BIOS
Support CD
- Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and T
Form FactorMini ITX
Dimensions (W x L)6.7" x 6.7"
Package ContentsAccessories
- Quick Installation Guide, Support CD, I/O Shield
- 2 x SATA Data Cables
- 1 x Screw for M.2 Socket

Questions about this item

Does the board come with RAM or a Wi-Fi module, or do I buy them separately?

The board ships as a motherboard/CPU combo only; you must add two DDR3/DDR3L SO-DIMM modules (up to 16 GB total) and a 2230 Key E Wi-Fi/BT card if wireless is needed.

Which memory speed should I choose for the J3455-ITX?

Install DDR3 or DDR3L modules rated at 1866, 1600 or 1333 MHz; the board runs them in dual-channel mode up to the 16 GB limit.

Can the HDMI port really drive a 4K display at 60 Hz with the integrated graphics?

Yes — the Intel HD Graphics 500 (12 EUs, up to 750 MHz) supports HDMI 4K × 2K (4096 × 2160) at 60 Hz, plus DVI-D 1920 × 1200 and D-Sub 2048 × 1536, all at 60 Hz for triple-monitor setups.

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