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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

  • Combo TypeMotherboard / CPU Combo
  • CPUIntel Dual-Core Processor J3355 (up to 2.5GHz)
  • Number of Memory Slots2x240pin
  • Memory StandardDDR3/DDR3L 1866/1600/1333
  • Maximum Memory Supported16GB
  • Channel SupportedDual Channel
  • 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.

Highlights

  • 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

Specifications

BrandASRock
ModelJ3355M
Combo TypeMotherboard / CPU Combo
CPUIntel Dual-Core Processor J3355 (up to 2.5GHz)
Number of Memory Slots2x240pin
Memory StandardDDR3/DDR3L 1866/1600/1333
Maximum Memory Supported16GB
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 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 ALC887
Audio Channels7.1 Channels
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
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: 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 3.0 Header (Supports 2 USB 3.0 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
- 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 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

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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