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Green mATX motherboard with silver LGA 1151 socket, two black DDR4 slots, one gray PCIe x16 slot, two white PCIe x1 slots

ASUS

ASUS PRIME B365M-K LGA 1151 Intel B365 mATX Motherboard

SKU CH-0Q1D-FCJN0

Micro-ATX board for 8th and 9th Gen Intel CPUs with dual-channel DDR4 up to 32 GB, six SATA ports and an M.2 slot

  • CPU Socket TypeLGA 1151
  • CPU TypeIntel Socket 1151 9th / 8th Gen Intel Core, Pentium Gold and
  • Supported CPU TechnologiesSupports Intel 14 nm CPUSupports Intel Turbo Boost Technolog
  • ChipsetIntel B365
  • Onboard Video ChipsetIntel HD Graphics
  • Number of Memory Slots2x288pin (DDR4)
  • Supports 9th and 8th Gen Intel Core, Pentium Gold and Celeron CPUs via LGA 1151 socket
  • Dual-channel DDR4 memory up to 32 GB at 2666 MHz
  • One PCIe 3.0 x16 slot plus two PCIe x1 slots for expansion
  • Six SATA 6Gb/s ports and one M.2 socket for storage flexibility
  • Realtek ALC887 8-channel audio and Realtek RTL8111H LAN built in

Socket and chipset

This mATX board uses the Intel B365 chipset and an LGA 1151 socket for 8th and 9th generation Intel Core, Pentium Gold and Celeron processors. It supports dual-channel DDR4 memory up to 32 GB at 2666, 2400 or 2133 MHz. One PCIe 3.0 x16 slot and two PCIe x1 slots handle expansion cards.

Build fit

The two memory slots and single x16 slot suit compact office or home systems that need only one graphics card and modest memory capacity. Six SATA 6Gb/s ports and one M.2 socket with M key for 2242, 2260 or 2280 drives provide plenty of SATA storage options. Builds requiring four memory slots or multiple x16 slots should choose a larger ATX board.

M.2 interface

The M.2 socket accepts SATA and PCIe x4 storage devices in 2242, 2260 and 2280 form factors. Intel Optane memory is supported for caching. Verify that your chosen M.2 drive matches one of the listed key types and lengths before purchase.

Highlights

  • Supports 9th and 8th Gen Intel Core, Pentium Gold and Celeron CPUs via LGA 1151 socket
  • Dual-channel DDR4 memory up to 32 GB at 2666 MHz
  • One PCIe 3.0 x16 slot plus two PCIe x1 slots for expansion
  • Six SATA 6Gb/s ports and one M.2 socket for storage flexibility
  • Realtek ALC887 8-channel audio and Realtek RTL8111H LAN built in

Specifications

BrandASUS
ModelPRIME B365M-K
CPU Socket TypeLGA 1151
CPU TypeIntel Socket 1151 9th / 8th Gen Intel Core, Pentium Gold and Celeron Processors
Supported CPU TechnologiesSupports Intel 14 nm CPUSupports Intel Turbo Boost Technology 2.0
ChipsetIntel B365
Onboard Video ChipsetIntel HD Graphics
Number of Memory Slots2x288pin (DDR4)
Memory StandardDDR4 2666/2400/2133 MHz Non-ECC, Un-buffered Memory
Maximum Memory Supported32GB
Channel SupportedDual Channel
PCI Express 3.0 x161 x PCIe 3.0/2.0 x16 (x16 mode, gray)
PCI Express x12 x PCIe 3.0/2.0 x1
Serial ATA (SATA)6 x SATA 6Gb/s
M.21 x M.2 Socket 3, with M Key, type 2242/2260/2280 storage devices support (SATA mode & X4 PCIE mode)
Intel Optane ReadyYes
SATA RAID0/1/5/10
Audio ChipsetRealtek ALC887
Audio Channels8 Channels
LAN ChipsetRealtek RTL8111H
Back I/O Ports1 x PS/2 keyboard (purple)1 x PS/2 mouse (green)1 x DVI-D1 x D-Sub1 x LAN (RJ45) port(s)4 x USB 3.1 Gen 1 (blue) Type-A up to 5Gbps2 x USB 2.01 x 8-channel Audio I/O
Other Connectors1 x USB 3.1 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.1 Gen 1 port(s) (19-pin)2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)1 x M.2 Socket 3 with M Key, type 2242/2260/2280 storage devices support (SATA mode & X4 PCIE mode)1 x COM port(s) connector(s)6 x SATA 6Gb/s connector(s)1 x CPU Fan connector(s) (1 x 4 -pin)1 x Chassis Fan connector(s) (1 x 4 -pin)1 x S/PDIF out header(s)1 x 24-pin EATX Power connector(s)1 x 8-pin EATX 12V Power connectors1 x Front panel audio connector(s) (AAFP)1 x Clear CMOS jumper(s)1 x System panel connector1 x Speaker
Form FactormATX Form Factor
Dimensions (W x L)8.9" x 7.3"
Package ContentsUser's manualI/O Shield2 x SATA 6Gb/s cable(s)1 x M.2 Anchor1 x SCD

Questions about this item

What PCIe version and lane width does the M.2 slot on the ASUS PRIME B365M-K use?

The M.2 socket 3 with M key supports type 2242, 2260 and 2280 drives in SATA mode or x4 PCIe 3.0 mode.

What CPU cooler clearance and mounting pattern does the LGA 1151 socket require?

The board uses the standard LGA 1151 4-hole pattern; any cooler rated for LGA 115x will align with the mounting holes.

How is the DDR4 memory installed on the two 288-pin slots, and which slot should be filled first for dual-channel?

Insert modules into the grey slot first, then the black slot, pressing down until the latches click to enable dual-channel operation.

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