MSI B450-A Pro

MSI’s Pro series of motherboards are designed with professionals in mind, without sacrificing in performance, quality and offers a blend of modest and classic aesthetics. MSI has announced three Pro series boards for the AMD B450 chipset launch, the ATX sized B450-A Pro and a pair of microATX options, the B450M Pro-M2 and B450M Pro-VDH.

Starting with the MSI B450-A Pro motherboard, the design is pretty simplistic with plenty of PCIe connectivity available. MSI markets this particular model as being optimized and suitable for cryptocurrency mining and has a full-length PCIe 3.0 x16 slot, a full-length PCIe 2.0 x4 slot and a total of four PCIe 2.0 x1 slots. Up to DDR4-3466 memory is supported with a supported maximum of up to 64 GB can be installed across the four RAM slots. Both the use of non-ECC and ECC memory is permitted, although installed ECC memory will operate in non-ECC mode.

The B450-A Pro has a total of six SATA 6 Gbps which support RAID 0, 1 and 10 arrays. A single M.2 slot is present with support for drives up to M.2 22110 (22 x 110 mm) and has support for both PCIe 3.0 x4 and SATA capable devices; using this slot disables two SATA ports.

Stylistically, the B450-A Pro has a black PCB with dark grey metallic heatsinks across the power delivery and chipset. The board looks to be running a 6-phase power delivery running in a 4+2 configuration. A single 8-pin ATX 12 V CPU input and 24-pin ATX motherboard input are there to provide power to the board.

On the rear panel the B450-A Pro has two USB 3.1 10 Gbps Type-A ports, two USB 3.1 5 Gbps Type-A ports and two USB 2.0 ports. Also featured is a BIOS Flashback+ button, with a PS/2 keyboard and mouse port. Natively supporting the Ryzen APUs, the board makes use of a single HDMI 1.4 port, a DisplayPort and a legacy VGA port. The RJ45 LAN port is powered by a Realtek 8111H Gigabit controller and the six 3.5mm audio jacks take orders from the Realtek ALC892 audio codec.

With MSI focusing on a mixture of subtle aesthetics, good quality componentry and with cryptocurrency mining support, there isn’t a lot of bells and whistles when compared to the Gaming Series models, but what is on offer is more than enough for professional users. The MSI B450-A Pro is expected retail for $89.99 which makes this one of the most cost-effective full-sized ATX models without Gaming branding and fancy gaming themed software factored in.

MSI B450M Mortar and B450M Mortar Titanium MSI B450M PRO-M2 and B450M PRO-VDH
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  • JohanPirlouit - Wednesday, August 1, 2018 - link

    Thanks Sakkura ;-) .... And I also agree with you..
  • patire - Wednesday, August 1, 2018 - link

    The ASRock microATX B450M Pro4 has a total of four SATA ports not the six as wrongly posted on the final page table for choosing the right B450 Motherboard.
  • Xajel - Thursday, August 2, 2018 - link

    Yet not a single high-end X470 mATX motherboard !!
  • Xajel - Thursday, August 2, 2018 - link

    Yet not a single high-end X470 mATX motherboard !!
  • jensend - Saturday, August 4, 2018 - link

    WHY ON EARTH DO THEY KEEP MAKING AMD BOARDS WITHOUT DISPLAYPORT?

    FreeSync is a game changer for the Ryzen APUs, and very few of the inexpensive adaptive sync displays support FreeSync over HDMI.
  • KAlmquist - Sunday, August 5, 2018 - link

    Gavin Bonshor's otherwise excellant page on choosing the right B450 motherboard doesn't include a list of boards that support DisplayPort. Unless I've missed some, there are eight:

    ASRock B450 Gaming K4
    ASRock B450 Gaming ITX/ac
    ASRock B450 Pro4
    ASUS ROG Strix B450-F Gaming
    MSI B450I Gaming Plus AC
    MSI B450M Mortar
    MSI B450M Mortar Titanium
    MSI B450-A Pro

    I once had a motherboard with a Realtek network controller and got so sick of it randomly connecting at 10 mb/sec that I vowed I would never buy another Realtech network controller. That leaves only one B450 option:

    ASUS ROG Strix B450-F Gaming
  • AdrianB1 - Sunday, August 5, 2018 - link

    There is also the MSI B450 Carbon AC that in theory is better as it has better VRM and wireless LAN. It is also a bit cheaper in the stores in my area.
  • DMCbr - Sunday, August 5, 2018 - link

    I think MSI totally won this time, with the PRO Carbon AC board: best sound, best lan, wifi, 5+2 VRM phases, good heat-sinks...
  • foxbat - Tuesday, August 7, 2018 - link

    Great, really great ... but still can't buy outside of USA 13" laptop with Mobile Ryzen APU except extremely expensive not so well designed Lenovo 720S. What is the reason?
  • Djoie123 - Tuesday, August 14, 2018 - link

    I think that B450 gaming plus have 4+3 vrm phase design, on their site they said it's 7 phase power design

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