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Compact green Mini-ITX motherboard with silver CPU socket, two black memory slots, full-size PCIe x16 slot

ASRock

ASRock B365M-ITX/ac Intel motherboard

SKU CH-ZN7R-18RZK

Mini-ITX board for 8th and 9th Gen Intel Core CPUs with DDR4 memory, dual M.2 slots, four SATA ports, 7.1 audio and Intel gigabit LAN

  • CPU Socket TypeLGA 1151 (300 Series)
  • CPU TypeSupports 9th and 8th Gen Intel Core Processors (Socket 1151)
  • Supported CPU TechnologiesTurbo Boost Technology 2.0
  • ChipsetIntel B365
  • Onboard Video ChipsetSupports Intel UHD Graphics Built-in Visuals: Intel Quick Sy
  • Number of Memory Slots2x288pin (DDR4)
  • Supports 8th and 9th Gen Intel Core CPUs on LGA 1151 socket
  • Dual-channel DDR4 memory up to 2666 MHz across two 288-pin slots
  • Ultra M.2 socket delivers PCIe 3.0 x4 bandwidth for NVMe drives
  • Intel I219-V Gigabit LAN plus bundled 802.11 ac Wi-Fi module
  • Realtek ALC887 codec provides 7.1-channel high-definition audio

Compact LGA 1151 board for 8th

The ASRock B365M-ITX/ac is a Mini-ITX motherboard built around the Intel B365 chipset and the LGA 1151 socket (300 Series). It accepts 8th and 9th Generation Intel Core processors and is not backward compatible with earlier LGA 1151 CPUs. The board targets small-form-factor builds that need a full feature set in a reduced footprint.

DDR4 2666 dual-channel memory and PCIe 3.0 x16 slot

Two 288-pin DDR4 slots support memory speeds of 2666, 2400 and 2133 in dual-channel mode. A single PCI Express 3.0 x16 slot handles discrete graphics or other expansion cards. The M.2 socket accepts M Key modules up to 22110 length and operates at PCIe Gen3 x4 (32Gb/s) or SATA 6.0Gb/s, with Intel Optane Ready support.

Integrated Wi-Fi 802.11 ac, Intel LAN and 7.1 audio

A vertical M.2 Key E socket carries the bundled Wi-Fi 802.11 ac module, with antennas on the rear I/O. Wired networking uses an Intel I219-V controller rated for 1Gbps. Audio is driven by a Realtek ALC887 codec delivering 7.1 channels when paired with an HD front-panel module. Four SATA3 6.0Gb/s ports support RAID 0, 1, 5 and 10.

Highlights

  • Supports 8th and 9th Gen Intel Core CPUs on LGA 1151 socket
  • Dual-channel DDR4 memory up to 2666 MHz across two 288-pin slots
  • Ultra M.2 socket delivers PCIe 3.0 x4 bandwidth for NVMe drives
  • Intel I219-V Gigabit LAN plus bundled 802.11 ac Wi-Fi module
  • Realtek ALC887 codec provides 7.1-channel high-definition audio

Specifications

BrandASRock
ModelB365M-ITX/ac
CPU Socket TypeLGA 1151 (300 Series)
CPU TypeSupports 9th and 8th Gen Intel Core Processors (Socket 1151)
* Not backward compatible with older generation of LGA 1151 CPUs
Supported CPU TechnologiesTurbo Boost Technology 2.0
ChipsetIntel B365
Onboard Video ChipsetSupports Intel UHD Graphics Built-in Visuals: Intel Quick Sync Video with AVC, MVC (S3D) and MPEG-2 Full HW Encode1, Intel InTru 3D, Intel Clear Video HD Technology, Intel Insider, Intel UHD Graphics
DirectX 12
HWA Encode/Decode: AVC/H.264, HEVC/H.265 8-bit, HEVC/H.265 10-bit, VP8, VP9 8-bit, VP9 10-bit (Decode only), MPEG2, MJPEG, VC-1 (Decode only)
Three graphics output options: DVI-I, HDMI and DisplayPort 1.2
Supports Triple Monitor
Supports HDMI 1.4 with max. resolution up to 4K x 2K (4096x2160) @ 30 Hz
Supports DisplayPort 1.2 with max. resolution up to 4K x 2K (4096x2304) @ 60
Number of Memory Slots2x288pin (DDR4)
Memory StandardDDR4 2666/ 2400/ 2133
Channel SupportedDual Channel
PCI Express 3.0 x161 x PCI Express 3.0 x16 Slot (PCIE1: x16 mode)*
* Supports NVMe SSD as boot disks
Other Slots1 x Vertical M.2 Socket (Key E) with the bundled Wi-Fi 802.11 ac module (on the rear I/O)
Serial ATA (SATA)4 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug
M.21 x Ultra M.2 Socket, supports M Key type 2280/22110 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x4 (32Gb/s)*
* Supports Intel Optane Technology
* Supports NVMe SSD as boot disks
* Supports ASRock U.2 Kit
Intel Optane ReadyYes
SATA RAID0/1/5/10
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 ChipsetIntel I219-V
Max LAN Speed1Gbps
Wireless LANIntel 802.11 ac Wi-Fi Module
Supports IEEE 802.11 a/b/g/n/ac
Supports Dual-Band (2.4/5 GHz)
Supports high speed wireless connections up to 433 Mbps
BluetoothSupports Bluetooth 4.2 / 3.0 + High speed class II
PS/21 x PS/2 keyboard/mouse port
Video Ports1 x DVI-I Port
HDMI1 x HDMI
RJ451 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
DisplayPort1 x DisplayPort 1.2
USB 3.14 x USB 3.1 Gen1 Ports (Supports ESD Protection)
Audio PortsHD Audio Jacks: Line in / Front Speaker / Microphone
Antenna Connectors2 x Antenna Ports
Onboard USB1 x USB 2.0 Header (Supports 2 USB 2.0 ports) (Supports ESD Protection)
1 x USB 3.1 Gen1 Header (Supports 2 USB 3.1 Gen1 ports) (Supports ESD Protection)
Other Connectors1 x Chassis Intrusion Header
1 x CPU Fan Connector (4-pin)*
1 x Chassis Fan Connector (4-pin)**
1 x Chassis/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)***
1 x Front Panel Audio Connector
* The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
** The Chassis Fan Connector supports the chassis fan of maximum 1A (12W) fan power.
*** The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power.
*** CHA_FAN1/WP can auto detect if 3-pin or 4-pin fan is in use.
Form FactorMini ITX
Dimensions (W x L)6.7" x 6.7"
Power Pin1 x 24-pin ATX Power Connector
1 x 8-pin 12V Power Connector
FeaturesUnique Feature:
ASRock Super Alloy
- Premium 60A Power Choke
- Dual-Stack MOSFET (DSM)
- Sapphire Black PCB
- High Density Glass Fabric PCB
Intel 802.11 ac Wi-Fi
ASRock Ultra M.2 (PCIe Gen3 x4 & SATA3)
ASRock Full Spike Protection (for USB, Audio, LAN Ports)
ASRock Live Update & APP Shop
BIOS:
- 128MB AMI UEFI Legal BIOS with multilingual GUI support
- ACPI 6.0 Compliant wake up events
- SMBIOS 2.7 Support
- CPU, DRAM, PCH 1.0V, VCCST Voltage Multi-adjustment
Software and UEFI:
Software
- ASRock A-Tuning
- ASRock XFast LAN
UEFI
- ASRock EZ Mode
- ASRock Full HD UEFI
- ASRock My Favor
Package ContentsAccessories:
- Quick Installation Guide, Support CD, I/O Shield
- 2 x SATA Data Cables
- 2 x ASRock Wi-Fi 2.4/5 GHz Antennas
- 1 x Screw for M.2 Socket

Questions about this item

Should I choose DDR4 2666, 2400 or 2133 modules for this board?

All three speeds are supported; 2666 MHz gives the highest stock bandwidth, while 2400 and 2133 will run at their rated speeds without manual tuning.

What does the PCIe 3.0 x16 slot deliver for a graphics card in a Mini-ITX build?

The single slot runs at full x16 electrical width, so a discrete GPU gets the full 32 Gb/s bandwidth the chipset provides.

How fast is the Ultra M.2 socket for an NVMe drive?

The M.2 socket connects through PCIe 3.0 x4, capping sequential throughput at 32 Gb/s for compatible NVMe SSDs.

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