General Information for Asus Motherboards
ASUS PRIME B840M-K, AMD, Socket AM5, AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series, Socket AM5, DDR5-SDRAM, 128 GB
PRIME B840M-K
B840M-KASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen 9000 series processors. The PRIME B840M-K motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. Its designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications. PRIME B840M-K
Further details for this product, PRIME B840M-K, can be found at the manufacturer website. Please note, these web addresse(s) are supplied by 3rd parties, Quzo UK is not responsible for the content.
PRIME B840M-K AMD B840 micro-ATX (DDR5, M.2, Realtek 2.5Gb Ethernet, HDMI, Front USB 5Gbps Type-C, Aura Sync)
ASUS PRIME B840M-K. Processor manufacturer: AMD, Processor socket: Socket AM5, Compatible processor series: AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series. Supported memory types: DDR5-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM.
Supported storage drive interfaces: M.2, SATA III, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 5, 10. Ethernet interface type: 2.5 Gigabit Ethernet. Component for: PC, Motherboard form factor: micro ATX, Motherbo
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ASUS PRIME B840M-K, AMD, Socket AM5, AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series, Socket AM5, DDR5-SDRAM, 128 GB 90MB1PK0-M0EAY0 Specifications
Product Type
Motherboards
Brand
ASUS
Collection Model Asus PRIME B840M-K
Manufacturer Product Type
Asus Motherboards
Manufacturer Product Type
AMD Motherboards
Product colour
Black
Product Family PRIME B840M-K
Processor socket
Socket AM5
Processor manufacturer
AMD
Motherboard chipset AMD B840
Parallel processing technology support Not supported
Supported memory types DDR5-SDRAM
Number of memory slots 2
Memory slots type DIMM
ECC ompatibility ECC & Non-ECC
Maximum internal memory 128 GB
Unbuffered memory Yes
Number of storage drives supported 6
RAID support Yes
Supported storage drive types HDD & SSD
Supported storage drive interfaces M.2, SATA III
RAID levels 0, 1, 5, 10
Number of HDDs supported 4
Ethernet LAN Yes
Ethernet interface type 2.5 Gigabit Ethernet
Wi-Fi No
HDMI ports quantity 1
USB 2.0 ports quantity 2
Ethernet LAN (RJ-45) ports 1
DVI-D ports quantity 0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity 0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 4
Number of SATA III connectors 4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity 0
VGA (D-Sub) ports quantity 0
PCI Express x16 (Gen 3.x) slots 1
PCI Express x16 (Gen 4.x) slots 1
Number of M.2 (M) slots 2
Windows operating systems supported Windows 10 x64, Windows 11
Width 244 mm
Depth 221 mm
Net Weight 0.65Kg
USB 2.0 connectors 2
USB 3.2 Gen 1 (3.1 Gen 1) connectors 2
USB 3.2 Gen 2 (3.1 Gen 2) connectors 0
S/PDIF out connector Yes
Front panel audio connector Yes
Front panel connector Yes
ATX Power connector (24-pin) Yes
CPU fan connector Yes
Number of chassis fan connectors 3
EPS power connector (8-pin) Yes
Number of COM connectors 1
12V power connector Yes
TPM connector Yes
RGB LED pin header Yes
Number of RGB LED pin headers 3
Front panel audio connector 1
Compatible processor series AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor sockets Socket AM5
Audio output channels 7.1 channels
BIOS type UEFI AMI
BIOS memory size 256 Mbit
Component for PC
Motherboard chipset family AMD
Memory channels Dual-channel
Gross weight 1.02Kg
Package height 51.5 mm
Package width 270 mm
Package depth 263 mm
Package weight 1.02 kg
Package length 27cm
Package width 22cm
Package height 4cm
Package Type NA
Screws included Yes
Motherboard form factor Micro ATX
Chipset AMD B840
Web Address www.asus.com
Max. Memory Support 128GB
Back USB 2.0 Port(s) 2
Back HDMI Port(s) 1
24-pin ATX Power 1
8-pin ATX Power 1
USB 2.0 Header(s) 2
COM Port Header(s) 1
TPM Header(s) 1
PCI Express 4.0 x16 1
RAM Slots 2 x 288-pin
Back LAN Port(s) 1
Back Audio Jack(s) 3
RAID Raid 0/1/5/10
S/PDIF Out Header(s) 1
RAM Technology DDR5 (Dual Channel)
On-Board Audio Realtek 7.1 Surround Sound High Definition Audio CODEC
Product Length 244mm
M.2 Socket(s) 2 x PCIe Gen 4.0 x4
S-ATA 6Gb/s Port(s) 4
CPU Interface Socket AM5
On-Board Video Processor with integrated graphics is required
Product Width 221mm
Back USB 5Gbps Port(s) Type-A 4
USB 5Gbps Header(s) 2
RAM Speeds Up to DDR5 8000+ (O.C.)
LAN Speed 1 x Realtek 2.5Gb EthernetASUS LANGuard
Internal Other Port(s) 3 x Addressable RGB Gen 2 headers
Model Number PRIME B840M-K
BIOS 32MB (256Mb) Flash ROMUEFI AMI BIOS
Package Contents Motherboard2 x SATA 6Gb/s cables1 x I/O shield1 x Screw package for M.2 SSD1 x Quick start guide
Keywords MotherboardAM5B840
MPN 90MB1PK0-M0EAY0
ASUS PRIME B840M-K, AMD, Socket AM5, AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series, Socket AM5, DDR5-SDRAM, 128 GB 90MB1PK0-M0EAY0 Reviews
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