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Green micro ATX motherboard with embedded Intel Celeron J3455 CPU, silver heatsink, black slots and ports

ASRock

ASRock J3455M Intel Celeron J3455 Micro ATX Motherboard CPU Combo Embedded Solution

SKU CH-9T4W-Q0CQK

Micro ATX motherboard with soldered Intel Celeron J3455 quad-core CPU up to 2.3 GHz, dual-channel DDR3/DDR3L up to 16 GB, integrated Intel HD Graphics 500 supporting triple 4K displays.

  • Combo TypeMotherboard / CPU Combo
  • CPUIntel Quad-Core Celeron Processor J3455 (up to 2.3 GHz)
  • Number of Memory Slots2×240pin *2GB DRAM per module is not supported.
  • Memory StandardDDR3/DDR3L 1866/ 1600/ 1333
  • Maximum Memory Supported16GB **Due to the operating system limitation, the actual me
  • Channel SupportedDual Channel
  • Quad-core Celeron J3455 up to 2.3 GHz for efficient everyday computing
  • Dual-channel DDR3/DDR3L up to 16 GB across two slots
  • Integrated Intel HD Graphics 500 with triple-monitor support via D-Sub, DVI-D and HDMI
  • HDMI output up to 3840×2160 at 30 Hz or 2560×1600 at 60 Hz
  • Realtek ALC887 7.1-channel audio and Gigabit LAN on Micro ATX board

Embedded Intel Celeron J3455 board

This Micro ATX motherboard ships with a soldered Intel Quad-Core Celeron J3455 running up to 2.3 GHz. It targets builders assembling low-power embedded appliances, thin clients or basic office desktops that do not require a discrete graphics card. The integrated CPU removes the need for a separate processor purchase and simplifies inventory for volume deployments.

Passive-friendly thermals and modest draw

The J3455’s low thermal design power allows fanless or near-silent cooling in ventilated chassis. Integrated Intel HD Graphics 500 with 12 execution units at up to 750 MHz drives three outputs — D-Sub, DVI-D and HDMI — without adding a separate GPU. Realtek 8111E Gigabit LAN and Realtek ALC887 7.1-channel audio complete the platform while keeping system power draw minimal.

Dual-channel DDR3/DDR3L support to 16 GB

Two 240-pin slots accept DDR3 or DDR3L at 1866, 1600 or 1333 MT/s in dual-channel mode, with a 16 GB ceiling. Note that 2 GB modules are not supported. Expansion includes one PCI Express 2.0 x16 slot running at x1 mode plus two PCI Express 2.0 x1 slots, and two SATA3 6.0 Gb/s ports with NCQ, AHCI and hot-plug capability.

Highlights

  • Quad-core Celeron J3455 up to 2.3 GHz for efficient everyday computing
  • Dual-channel DDR3/DDR3L up to 16 GB across two slots
  • Integrated Intel HD Graphics 500 with triple-monitor support via D-Sub, DVI-D and HDMI
  • HDMI output up to 3840×2160 at 30 Hz or 2560×1600 at 60 Hz
  • Realtek ALC887 7.1-channel audio and Gigabit LAN on Micro ATX board

Specifications

BrandASRock
ModelJ3455M
Combo TypeMotherboard / CPU Combo
CPUIntel Quad-Core Celeron Processor J3455 (up to 2.3 GHz)
Number of Memory Slots2×240pin
*2GB DRAM per module is not supported.
Memory StandardDDR3/DDR3L 1866/ 1600/ 1333
Maximum Memory Supported16GB
**Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows 32-bit OS. For Windows 64-bit OS with 64-bit CPU, there is no such limitation.
Channel SupportedDual Channel
PCI Express x161 x PCI Express 2.0 x16 Slot (PCIE2: x1 mode)
PCI Express x12 x PCI Express 2.0 x1 Slots
SATA2 x SATA3 6.0Gb/s Connectors, support NCQ, AHCI and Hot Plug
Onboard Video ChipsetIntegrated Intel HD Graphics 500: 12 EUs inside (Up to 750 MHz)
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 (3840x2160) @ 30Hz or 2560x1600 @ 60Hz
Supports DVI-D with max. resolution up to 1920x1200 @ 60Hz
Supports D-Sub with max. resolution up to 2048x1536 @ 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),
Audio ChipsetRealtek ALC887
Audio Channels7.1 Channels
*To configure 7.1 CH HD Audio, it is required to use an HD front panel audio module and enable the multi-channel audio feature through the audio driver.
LAN ChipsetRealtek 8111E
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
RJ451 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
USB 1.1/2.02 x USB 2.0 Ports (Supports ESD Protection (ASRock Full Spike Protection))
USB 3.02 x USB 3.1 Gen1 Ports (Supports ESD Protection (ASRock Full Spike Protection))
Audio PortsHD Audio Jacks: Line in / Front Speaker / Microphone
Onboard USB3 x USB 2.0 Headers (Support 5 USB 2.0 ports) (Supports ESD Protection (ASRock Full Spike Protection))
1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (Supports ESD Protection (ASRock Full Spike Protection))
Other Connectors1 x Print Port Header
2 x COM Port Headers
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
1 x BIOS_PH 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 and BIOS:
Software
- ASRock Power Gear
- ASRock XFast LAN*
UEFI
- ASRock Power Gear
- ASRock Instant Flash
- ASRock Internet Flash
- ASRock Crashless BIOS
*These utilities can be downloaded from ASRock Live Update & APP Shop.
Support CD:
- Drivers, Utilities, AntiVirus Software (Trial Version), Googl
Form FactorMicro ATX
Dimensions (W x L)8.9" x 7.0"
Package ContentsAccessories
- Quick Installation Guide, Support CD, I/O Shield
- 2 x SATA Data Cables

Questions about this item

How do I install the ASRock J3455M combo and what step do people get wrong?

The CPU is already soldered to the board, so you only mount the Micro ATX board, connect the 24-pin and 4-pin power headers, and populate the two 240-pin DDR3/DDR3L slots; the step often missed is using modules larger than 2 GB per slot because 2 GB modules are not supported.

What maintenance or replacement will this board need later?

The Realtek 8111E LAN and ALC887 audio are integrated, so no separate cards wear out; the only serviceable part is the CMOS battery on the board, which maintains BIOS settings when the system is unplugged.

What limit appears first under sustained load on the J3455M?

The processor tops out at 2.3 GHz with a 10 W TDP, and the PCI Express 2.0 x16 slot runs in x1 mode, so extended heavy compute or a high-bandwidth add-in card will hit the thermal and bus-width ceiling before any other component.

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