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MOTHERBOARDS

ASUS PRIME B650-PLUS

UK manufacturer specification

CPU socket
AM5
Chipset
AMD B650 Chipset
Form factor and dimensions
ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

PRIME B650-PLUS motherboard, identified in the ASUS UK catalogue. Specifications below retain the manufacturer’s configuration and interface conditions.

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THE ACTUAL PRODUCT
ASUS PRIME B650-PLUS official product image
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with ASUS B850 MAX GAMING WIFI-CSM
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Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.

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The nearest checked motherboards by key specifications, with what differs from the ASUS PRIME B650-PLUS. The first matches the Compare button above.

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Key strengths

Published motherboard interfaces and configuration are available from the exact-model ASUS specification source.

Manufacturer source
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Before you buy

Compatibility and maximum operating modes depend on the source’s stated hardware, firmware and connection requirements; manufacturer figures are not independent measurements.

Manufacturer source
Build around it.

Works with

Products in this catalogue that list the same socket or memory type as the ASUS PRIME B650-PLUS. A shared socket or memory type is necessary but not sufficient: check the exact CPU and memory support lists, and the BIOS version, before buying.

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Every specification. With its source.

Full specifications

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Exact configuration: UK manufacturer specification · PRIME B650-PLUS

13 specifications in 9 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.

Platform & board

3 items
CPU socket
AM5Source
Chipset
AMD B650 ChipsetSource
Form factor and dimensions
ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )Source

Memory

1 item
Memory type, slots and limit
4 x DIMM, Max. 192GB, DDR5 7600+(OC)/7200(OC)/7000(OC)/6800(OC)/6600(OC)/6400(OC)/6200(OC)/6000(OC)/5800(OC)/5600(OC)/5400(OC)/5200/5000/4800 ECC and Non-ECC, Un-buffered Memory* Dual Channel Memory Architecture Supports AMD Extended Profiles for Overclocking (EXPO™) OptiMem II * Supported memory types, data rate(Speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information refer to www.asus.com for memory support list. * Non-ECC, Un-buffered DDR5 Memory supports On-Die ECC function.Source

Expansion slots

1 item
Expansion slots and restrictions
AMD Ryzen™ 9000 & 7000 Series Desktop Processors* 1 x PCIe 4.0 x16 slot (supports x16 mode) AMD Ryzen™ 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)** AMD B650 Chipset 1 x PCIe 4.0 x16 slot (supports x4 mode) 2 x PCIe 4.0 x1 slots * Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/). ** Specifications vary by CPU types.Source

Storage

1 item
Storage interfaces and restrictions
Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports* AMD Ryzen™ 9000 & 7000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 5.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode) AMD Ryzen™ 8000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4/x2 mode)** AMD B650 Chipset 4 x SATA 6Gb/s ports * AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10. ** Specifications vary by CPU types.Source

USB & rear connections

2 items
USB ports and headers
Rear USB (Total 8 ports) 4 x USB 3.2 Gen 2 ports (3 x Type-A + 1 x USB Type-C®) 2 x USB 3.2 Gen 1 ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB (Total 7 ports) 1 x USB 3.2 Gen 1 connector (supports USB Type-C®) 1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 headers support 4 additional USB 2.0 portsSource
Rear-panel ports
4 x USB 3.2 Gen 2 ports (3 x Type-A + 1 x USB Type-C®) 2 x USB 3.2 Gen 1 ports (2 x Type-A) 2 x USB 2.0 ports (2 x Type-A) 1 x DisplayPort 1 x HDMI® port 1 x Vertical M.2 slot (Key E) 1 x Realtek 2.5Gb Ethernet port 5 x Audio jacks 1 x Optical S/PDIF out port 1 x BIOS FlashBack™ buttonSource

Networking

1 item
Network interfaces and requirements
1 x Realtek 2.5Gb Ethernet; Vertical M.2 slot only (Key E, PCIe)* * Wi-Fi module is sold separately.Source

Audio

1 item
Audio interfaces
Realtek 7.1 Surround Sound High Definition Audio CODEC - Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking - Supports up to 24-Bit/192 kHz playback Audio Features - Audio Shielding - Premium audio capacitors - Dedicated audio PCB layersSource

Power, cooling & lighting

1 item
Internal headers and connectors
Fan and Cooling related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 1 x 4-pin AIO Pump header 3 x 4-pin Chassis Fan headers Power related 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector Storage related 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 connector (supports USB Type-C® ) 1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports Miscellaneous 3 x Addressable Gen 2 headers 1 x Aura RGB header 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x SPI TPM header (14-1pin) 1 x 20-3 pin System Panel header with Chassis intrude function 1 x Thunderbolt™ (USB4®) headerSource

BIOS, software & diagnostics

2 items
CPU support and BIOS requirements
AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors* Supports up to AMD 170W CPU * Refer to www.asus.com for CPU support list. BIOS: 256 Mb Flash ROM, UEFI AMI BIOS

Exact CPU support and BIOS revision depend on the processor and the current ASUS CPU support list; the family statement is not a guarantee for every processor.

Source
Listed operating systems
Windows® 11, Windows® 10 64-bitSource
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