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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.

  • ProcessorIntel Quad-Core Celeron Processor J3455 (up to 2.3 GHz)
  • Form factorMicro ATX
  • Network speed10/100/1000 Mbit/s
  • Combo typeMotherboard / CPU Combo
  • Memory slot count2 × 240pin *2 GB DRAM per module is not supported.
  • Supported memoryDDR3/DDR3L 1866/ 1600/ 1333
  • 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.

How it compares

Measured against everything we stock in Embedded & Replacement Boards, at today’s prices. Recalculated every night.

Price $56.99
Typical for this category: the median of 117 items is $72.99.

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Specifications

Product
Brand nameASRock
Model nameJ3455M
Processor
ProcessorIntel Quad-Core Celeron Processor J3455 (up to 2.3 GHz)
Memory
Memory slot count2 × 240pin
*2 GB DRAM per module is not supported.
Supported memoryDDR3/DDR3L 1866/ 1600/ 1333
Memory channelsDual Channel
Storage
SATA ports2 x SATA3 6.0Gb/s Connectors, support NCQ, AHCI and Hot Plug
Audio & video
Audio chipRealtek ALC887
Connectivity
Network speed10/100/1000 Mbit/s
Ethernet controllerRealtek 8111E
Ports & slots
PCIe x16 slots1 x PCI Express 2.0 x16 Slot (PCIE2: x1 mode)
PCIe x1 slots2 x PCI Express 2.0 x1 Slots
PS/2 ports1 x PS/2 Mouse Port
1 x PS/2 Keyboard Port
Video connectors1 x D-Sub Port
1 x DVI-D Port
HDMI ports1 x HDMI
Ethernet port1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
USB 2.0 ports2 x USB 2.0 Ports (Supports ESD Protection (ASRock Full Spike Protection))
USB 3.0 ports2 x USB 3.1 Gen1 Ports (Supports ESD Protection (ASRock Full Spike Protection))
Audio jacksHD Audio Jacks: Line in / Front Speaker / Microphone
Size & build
Form factorMicro ATX
Width and length8.9 in × 7.0 in
In the box
In the boxAccessories
- Quick Installation Guide, Support CD, I/O Shield
- 2 x SATA Data Cables
More details
Combo typeMotherboard / CPU Combo

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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