GIGABYTE B550 Aorus Pro & Aorus Pro AC

Moving down the product stack and onto a pair of more affordable, albeit it still impressive models is the B550 Aorus Pro AC and non-Wi-Fi variant. The only difference is the Pro AC version comes an Intel Wi-Fi 5 interface, although both share the same core feature set. The most notable inclusions are two PCIe M.2 slots with one PCIe 4.0 x4 and one PCIe 3.0 x4 slots, with a Realtek 2.5 G Ethernet controller, and three full-length PCIe slots which operate at x16 and x16/x+4/x+2.

Focusing on the board’s aesthetic, the GIGABYTE B550 Aorus Pro AC and B550 Aorus Pro feature an all-black PCB, with black and grey heatsinks. GIGABYTE is advertising a 12+2 power delivery with a single 8-pin 12 V ATX CPU power input which delivers power directly to the processor. For storage there two M.2 slots with the top slot powered by the processor and supports up to PCIe 4.0 x4 M.2 SSDs, while the second slot is controlled by the chipset and as a consequence, supports up to PCIe 3.0 x4 M.2 drives. There are also six SATA ports which support RAID 0, 1, and 10 arrays. One thing we’ve seen from B550 is vendors are QVL’ing even fast memory as the B550 Aorus Pro supports up to DDR4-5200 with a maximum capacity of up to 128 GB across four memory slots.

The B550 Aorus Pro AC and B550 Aorus Pro are using a 12+2 phase power delivery, with twelve Vishay SiC651C 50 A power stages for the CPU, and two SiC651AD 50 A power stages for the SoC. It is using an Intersil ISL229004 in a 6+2 configuration, with six ISL6617A doublers for the CPU section.

On the rear panel of both B550 Aorus Pro models is a single USB 3.2 G2 Type-C, two USB 3.2 G2 Type-A, three USB 3.2 G1 Type-A, and six USB 2.0 ports. Also present is a Q-Flash Plus button and a single Realtek RTL8125BG 2.5 G Ethernet port. On the Pro AC model is two antenna ports for the Intel AC3168 Wi-Fi 5 adapter. Finishing off the rear panel is a single HDMI 2.1 video output for users looking to use Ryzen based APUs, while the 3.5 mm audio jacks and S/PDIF optical output are powered by a Realtek ALC1220-VB HD audio codec.

The GIGABYTE B550 Aorus Pro AC and B550 Aorus Pro represent a more modest price point, with an MSRP of $189 for the Pro AC, and $179 without the Wi-Fi 6 adapter. For the price, both models are still stacked and offer users PCIe 4.0 capability in both the top full-length slot and the top M.2 slot. There is also 2.5 G Ethernet which is something X570 models doesn’t offer at this price point, making B550 an attractive alternative, not to forget the boards large 12+2 advertised power delivery too.

GIGABYTE B550 Aorus Master GIGABYTE B550M Aorus Pro
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  • Makaveli - Tuesday, June 16, 2020 - link

    Replace AMD in your sentence with motherboard makers AMD it not setting the price for them. Looking at list of boards here is seems most of them added features just to jack the prices up.
  • WaltC - Wednesday, June 17, 2020 - link

    Yep, price is all down to the mboard OEMs.
  • sing_electric - Thursday, June 18, 2020 - link

    On one hand, you're right, on the other, AMD provides the chipset and specifications, and the fact that NO OEMs seem to be able to make cheap boards suggests that there's challenges with meeting the spec at a certain budget.
  • _cracken - Wednesday, October 28, 2020 - link

    No you are wrong on both hands. AMD does not deliver chipsets for B550, it is made by asmedia.
  • Irata - Tuesday, June 16, 2020 - link

    Well, the cheapest board starts at $95, there are still plenty cheap B450 boards around and there will be B520 soon.

    As for OEM, I am sure they will have boards built based on their requirements.

    I am curious to see what will happen to mainboard prices in a few months and if there will be additional / improved entry level options like for X570.
  • Chaitanya - Tuesday, June 16, 2020 - link

    B550 has better connectivity than X470 with excellent VRM to boot.
  • _espo - Wednesday, July 1, 2020 - link

    U have to understand amd didnt fuck up.motherboard companys didnt too because theres thing like covid and mb are made in china so
    Its more expensive to them now.And they have less stock and they still have to make money
  • Desierz - Tuesday, June 16, 2020 - link

    Article refers to AMD's SMT as hyperthreading. I think hyperthreading is an Intel specific term.
  • WaltC - Wednesday, June 17, 2020 - link

    Intel has no objection to AMD using the phrase...;)
  • MB-Guru - Tuesday, June 16, 2020 - link

    I would like to purchase this MB. Which Reputable Vendor is selling this Gigabyte B550 vision D right now? Does anyone know? Thanks !

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