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Prime B350M-A AMD B350 (Socket AM4) DDR4 Micro ATX MotherboardMainstream-Motherboard (Micro-ATX) from ASUS, AMD B350 Chipset, 1x PCIe 3.0 x16 2x PCIe 2.0 x1, 1x M.2 (PCIe 3.0 x5) & 6x SATA 6G, 2x USB 3.1 / 6x USB 3.0 / 4x USB 2.0 Motherboards with the AM4 socket serve as the platform for the AMD Ryzen (Summit Ridge) quad-core, hexa-core and octa-core CPUs as well as "Bristol Ridge" and "Raven Ridge" desktop APUs from the A-series with integrated GPUs unlike the old Athlon X4 which came without an iGPU. The advanced AMX X370, B350 and A320 chipsets are aimed at the enthusiast, mainstream and entry-level segments coming with an abundance of modern I/O interfaces and connectors for hardware peripherals, while additional data links are provided by the GPU/APU.
The processor's integrated memory controller supports AM4 motherboards as well as fast and energy- efficient DDR4 RAM in dual-channel mode, as well as specialist ECC error-correcting memory depending on the motherboard. The advanced "Zen" microarchitecture in conjunction with the AM4 platform forms the perfect foundation for high-performance systems in a range of applications.
The Layout of the Micro-ATX ASUS Prime B350M-AThe ASUS Prime B350M-A is a motherboard utilising the micro-ATX format and comes with a lightning-fast 16x PCI-Express 3.0 slot. Furthermore two PCIe 2.0 x1 slots are available for other expansion cards. The four RAM slots accept up to 64 GB of DDR4 RAM at a speed of 2.666 Megahertz. The range of internal connectors includes, among other things, one USB 3.0 header and two USB 2.0 for a total of four ports.
Special Features at a Glance:
- 1x PCIe 3.0 x16 for high-end gaming graphics cards & 2x PCIe 2.0 x1
- 2x USB 3.1 / 6x USB 3.0 / 4x USB 2.0 / 1x M.2 PCIe 3.0 x4 / 6x SATA 6G
- 2x PWM fan ports (4-pin)
- DDR4-RAM up to 2.666 MHz
- Modern UEFI-BIOS including temperature monitoring
Data storage devices such as SSDs and hard drives are managed via six SATA 6G connectors (incl. RAID support) as well as a horizontal M.2 slot, which is connected via four PCI-Express 3.0 lanes and can reach speeds of up to 32 Gbit/s. M.2 SSDs measuring from 42 mm to 110 mm in length can be used and furthermore the cutting-edge NVM-Express protocol is also supported. This protocol has been optimised to take advantage of the parallel processing utilised by modern PCIe SSDs.
A further highlight of the ASUS Prime B350M-A Pro4 is to be found on the reverse of the motherboard, specifically the fact that the motherboard includes USB 3.1 connectors. USB 3.1 or USB 3.1 Gen 2 reaches speeds of up to 10 Gbit/s per port.
Last but not least two 4-pin PWM connectors are located on the motherboard. To the rear of the motherboard are located ports such as USB 3.0, USB 2.0, Gigabit LAN, universal PS/2 or three audio jacks for using 7.1 sound with the ASUS Prime B350M-A. The motherboard also supports a total of three monitor outputs via the integrated APU/GPU including HDMI, VGA and DVI-D.
Socket AM4 Chipsets at a Glance:
|X370 Chipset||B350 Chipset||A320 Chipset||Ryzen CPU|
|PCIe 3.0 / 2.0:||x4 / x8||x4 / x6||x4 / x4||x16 + x4 + x4 / -|
|USB 3.1 / 3.0 / 2.0:||2 / 6 / 6||2 / 2 / 6||1 / 2 / 6||- / 4 / -|
|RAM:||DDR4||DDR4||DDR4||DDR4 Memory Controller|
|SATA Raid:||0 / 1 / 10||0 / 1 / 10||0 / 1 / 10||-|
|Overclocking:||Yes||Yes||No||Yes (Unlocked CPU & XFR)|
|Multi-GPU:||CrossFire & SLI||Partial 2-way CF||No||-|
Compatibility Note for CPU Coolers Utilising AMD Socket AM4:Due to the revision in mounting hole distances for the new AM4 socket, CPU coolers with rear mounts will - compared with preceding sockets e.g. AM2(+), AM3(+) or FM2(+) - require AM4-compatible mounting brackets. Please ensure compatibility prior to purchasing. CPU coolers that are attached directly to the retention bracket of the motherboard retain compatibility.
- Format: Micro-ATX (244 x 240 mm)
- Colour: Black / white
- Chipset: AMD B350
Socket: AM4 (for Summit Ridge / Bristol Ridge / Raven Ridge)
4x DDR4 (max. 2.666 MHz)
max. 64 GB
1x PCIe 3.0 x16*
2x PCIe 2.0 x1
- Internal Connectors:
6x SATA 6G (RAID 0, 1, 10)
1x M.2 (M-Key, PCIe 3.0 x4** with max. 32 Gbit/s, horizontal, sized 2242 bis 22110)
1x USB 3.0 Header (2 Ports)
2x USB 2.0 Header (4 Ports)
2x 4-Pin Fans (PWM)
1x COM Connector
1x Front Panel Audio Connector
1x 2-Pin Clear CMOS
1x System Panel Connector
1x Speaker Connector
1x S/PDIF Out Header
- External Connectors:
2x USB 3.1 (Type A, max. 10 Gbit/s)
4x USB 3.0 (Type A, max. 5 Gbit/s)
1x Gigabit LAN (Realtek 8111H)
3x Audio (ALC887, 7.1 Sound)
1x VGA (D-Sub)
1x PS/2 (Keyboard)
1x PS/2 (Mouse)
- Power Supply:
1x 24-Pin ATX12V
1x 8-Pin ATX12V
*(x8 with APU or Athlon X4)
**(x2 with APU or Athlon X4)
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