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Green Micro ATX motherboard with soldered silver CPU cooler and black I/O shield

ASRock

ASRock J3355M Intel Dual-Core J3355 2.5GHz Micro ATX Motherboard CPU Combo Embedded Solution

SKU CH-HMDG-K5F2D

Embedded Micro ATX board with soldered Intel dual-core J3355 up to 2.5 GHz, two DDR3/DDR3L slots for 16 GB, triple 4K-capable video outputs and gigabit LAN

  • ProcessorIntel Dual-Core Processor J3355 (up to 2.5 GHz)
  • Form factorMicro ATX
  • Network speed10/100/1000 Mbit/s
  • Combo typeMotherboard / CPU Combo
  • Memory slot count2 × 240pin
  • Supported memoryDDR3/DDR3L 1866/1600/1333
  • Intel dual-core processor reaches 2.5GHz for responsive everyday computing
  • Integrated Intel HD Graphics 500 with 12 execution units handles 4K output at 60Hz
  • Three display outputs — D-Sub, DVI-D and HDMI — enable triple-monitor setups
  • Dual-channel DDR3/DDR3L memory support up to 16GB for smooth multitasking
  • Realtek ALC887 codec delivers 7.1-channel audio with HDMI high-bit-rate support

Embedded J3355M motherboard combo

The ASRock J3355M integrates a dual-core Intel processor running up to 2.5 GHz onto a micro-ATX board, delivering a ready-to-run platform for low-power embedded or thin-client deployments. It targets system integrators who need x86 compatibility without a discrete CPU purchase.

DDR3 memory up to 16 GB dual-channel

Two 240-pin slots accept DDR3 or DDR3L modules at 1866, 1600 or 1333 MT/s, providing 16 GB maximum capacity in dual-channel mode. The board offers two SATA3 6.0 Gb/s ports for storage, one PCIe 2.0 x16 slot wired at x1 and two PCIe 2.0 x1 slots for expansion cards.

Passive-cooled graphics with triple display

Integrated Intel HD Graphics 500 with 12 execution units at up to 750 MHz drives D-Sub, DVI-D and HDMI outputs simultaneously for triple-monitor setups. HDMI reaches 4096×2160 at 60 Hz with HDCP support, while the Realtek ALC887 codec supplies 7.1-channel audio and the Realtek 8111E controller provides gigabit Ethernet.

How it compares

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

Price $49.99
Cheaper than about 56% of the 117 comparable items (median $72.99).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASRock
Model nameJ3355M
Processor
ProcessorIntel Dual-Core Processor J3355 (up to 2.5 GHz)
Memory
Memory slot count2 × 240pin
Supported memoryDDR3/DDR3L 1866/1600/1333
Max supported RAM16 GB
Memory channelsDual Channel
Storage
SATA ports2 x SATA3 6.0Gb/s Connectors, support NCQ, AHCI and Hot Plug
Audio & video
Audio chipRealtek ALC887
Sound channels7.1 Channels
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
USB 2.0 ports2 x USB 2.0 Ports (Supports ESD Protection (ASRock Full Spike Protection))
USB 3.0 ports2 x USB 3.0 Ports (Supports ESD Protection (ASRock Full Spike Protection))
S/PDIF output1 x Optical
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

Will my existing DDR3 1600 modules work in the J3355M's two 240-pin slots?

Yes, the board accepts DDR3 and DDR3L at 1866, 1600 and 1333 speeds in dual-channel mode up to 16 GB.

How can I confirm the Intel HD Graphics 500 is running at its 750 MHz maximum after assembly?

In Windows Device Manager or GPU-Z the graphics clock should report up to 750 MHz and DirectX 12 with Pixel Shader 5.0 will be listed as supported.

Does the box include the PS/2 keyboard and mouse cables or must I buy them separately?

The combo ships with the motherboard and soldered J3355 processor; PS/2 peripherals, DDR3 memory, storage drives and a case are not included.

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