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ATX motherboard in matte black with silver heatsinks and blue accents

ASRock

ASRock B365 Pro4 Intel motherboard LGA 1151

SKU CH-8YXF-KTRF9

LGA 1151 board for 8th and 9th Gen Intel Core CPUs with DDR4 2666 memory, dual PCIe 3.0 x16 slots, dual Ultra M.2 sockets and 7.1 channel Realtek ALC892 audio

  • 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 Chipset* Intel UHD Graphics Built-in Visuals and the VGA outputs ca
  • Number of Memory Slots4x288pin (DDR4)
  • Supports 9th and 8th Gen Intel Core processors on LGA 1151 socket
  • Four DDR4 slots accept up to 64GB at 2666 2400 2133 speeds
  • Dual PCIe 3.0 x16 slots plus two x1 slots for expansion cards
  • Two Ultra M.2 sockets with PCIe Gen3 x4 and SATA3 6.0Gb/s support
  • 1 channel HD audio via Realtek ALC892 with ELNA caps

ASRock B365 Pro4 LGA 1151 ATX Motherboard

The ASRock B365 Pro4 is an ATX motherboard built around the Intel B365 chipset for LGA 1151 (300 Series) processors. It supports 8th and 9th Generation Intel Core CPUs and provides four DDR4 memory slots running up to 2666 MHz with a 64 GB maximum capacity. The board includes two PCIe 3.0 x16 slots, two PCIe 3.0 x1 slots, six SATA3 ports, and two Ultra M.2 sockets for storage expansion.

Best for 8th and 9th Gen Intel Builds

This board suits builders assembling a system with an 8th or 9th Generation Intel Core processor that requires integrated graphics output via HDMI, DVI-D, or D-Sub. It is not backward compatible with older LGA 1151 CPUs, so owners of 6th or 7th Generation chips must choose a different platform. The 7.1 channel Realtek ALC892 audio with ELNA caps serves general multimedia and gaming needs well.

Dual Ultra M.2 with One PCIe Gen3 x4 Slot

The key storage specification is the pair of Ultra M.2 sockets: M2_1 supports PCIe Gen3 x4 (32 Gb/s) and SATA3 modes for 2230 to 2280 drives, while M2_2 adds a second PCIe Gen3 x4 and SATA3 slot. Populating M2_1 with a SATA M.2 device disables the SATA3_0 connector, so plan drive placement accordingly.

Highlights

  • Supports 9th and 8th Gen Intel Core processors on LGA 1151 socket
  • Four DDR4 slots accept up to 64GB at 2666 2400 2133 speeds
  • Dual PCIe 3.0 x16 slots plus two x1 slots for expansion cards
  • Two Ultra M.2 sockets with PCIe Gen3 x4 and SATA3 6.0Gb/s support
  • 1 channel HD audio via Realtek ALC892 with ELNA caps

Specifications

BrandASRock
ModelB365 Pro4
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 Chipset* Intel UHD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated.
- Supports 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: D-Sub, DVI-D and HDMI
- Supports Triple Monitor
- Supports HDMI 1.4 with max
Number of Memory Slots4x288pin (DDR4)
Memory StandardDDR4 2666/ 2400/ 2133
Maximum Memory Supported64GB
Channel SupportedDual Channel
PCI Express 3.0 x162 x PCI Express 3.0 x16 Slots (PCIE1/PCIE3: single at x16 (PCIE1); dual at x16 (PCIE1) / x4 (PCIE3))*
* Supports NVMe SSD as boot disks
PCI Express x12 x PCI Express 3.0 x1 Slots (Flexible PCIe)
Other Slots1 x M.2 Socket (Key E), supports type 2230 Wi-Fi/BT module
Serial ATA (SATA)6 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug*
* If M2_1 is occupied by a SATA-type M.2 device, SATA3_0 will be disabled.
M.21 x Ultra M.2 Socket (M2_1), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x4 (32Gb/s)**
1 x Ultra M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280/22110 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 ALC892
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.
Supports Surge Protection
LAN ChipsetIntel I219-V
Max LAN Speed1Gbps
Back I/O Ports1 x PS/2 Mouse/Keyboard Port
1 x D-Sub Port
1 x DVI-D Port
1 x HDMI Port
2 x USB 2.0 Ports (Supports ESD Protection)
1 x USB 3.1 Gen1 Type-C Port (Supports ESD Protection)
5 x USB 3.1 Gen1 Ports (Supports ESD Protection)
1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
HD Audio Jacks: Line in / Front Speaker / Microphone
Onboard USB2 x USB 2.0 Headers (Support 3 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 COM Port Header
1 x TPM Header
1 x Power LED and Speaker Header
2 x RGB LED Headers*
1 x Addressable LED Header**
1 x CPU Fan Connector (4-pin)***
1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)****
3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)*****
1 x Front Panel Audio Connector
1 x Thunderbolt AIC Connector (5-pin)
* Support in total up to 12V/3A, 36W LED Strip.
** Supports in total up to 5V/3A, 15W LED Strip.
*** The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.
**** The CPU/Water Pump Fan supports the water
Windows 11Supported
Form FactorATX
LED LightingRGB
Dimensions (W x L)12.0" x 9.0"
Power Pin1 x 24-pin ATX Power Connector
1 x 8-pin 12V Power Connector
FeaturesUnique Feature:
ASRock Super Alloy
- Premium 50A Power Choke
- Sapphire Black PCB
- High Density Glass Fabric PCB
ASRock Intel 4-Layer Memory POOL (Planes on Outer Layers) Technology
ASRock Steel Slot
ASRock Full Coverage M.2 Heatsink
ASRock Ultra M.2 (PCIe Gen3 x4 & SATA3)
ASRock Full Spike Protection (for all 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, GT, DRAM, PCH 1.0V, VCCST Voltage Multi-adjustment
Software and UEFI:
Software
- ASRock A-Tuning
Package ContentsAccessories:
- Quick Installation Guide, Support CD, I/O Shield
- 2 x SATA Data Cables
- 3 x Screws for M.2 Sockets
- 1 x Standoff for M.2 Socket

Questions about this item

Will this board work with a 7th Gen Intel Core i7?

No, the socket is limited to 8th and 9th Gen Intel Core processors; older LGA 1151 CPUs are not supported.

Can I install a PCIe NVMe SSD as my boot drive?

Yes, the primary M.2 socket (M2_1) accepts PCIe Gen3 x4 modules up to 2280 length and the board supports NVMe boot.

How many SATA drives can I connect if I use a SATA M.2 drive in M2_1?

Five SATA3 ports remain active; SATA3_0 is disabled when a SATA-type M.2 device occupies M2_1.

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