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Gigabyte B550 AORUS MASTER

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Gigabyte B550 Aorus Master AMD B550 Socket AM4 ATX Motherboard GA-B550-AORUS MASTER

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Gigabyte B550 AORUS MASTER
Towards:gaming
Form Factor:ATX
Socket:AM4
Chipset:AMD B550
BIOS:Ami
RAM slots:DDR4 4 sl
RAM form factor:DIMM
RAM clock:5000 MHz
Sound (channels):7.1
Connectors:HDMI, M.2
Power connector:24-pin
Processor power:8+4-pin

A well-equipped and functional ATX format overclocker motherboard based on the 2020 AMD B550 chipset. Equipped with an AMD AM4 processor socket, it is positioned as the top-end model of the popular Gigabyte AORUS family of gaming and overclocking products, designed for enthusiasts who prefer maximum reliability and durability. Designed for use in high-level gaming and overclocking configurations.

Supports installation of Ryzen 3000 processors (Matisse/Matisse Refresh, 7nm) and Ryzen 4000 APUs (Renoir core, 7nm). Unlike the previous generation boards (based on the B450 chipset), it supports the PCIe Gen 4.0 system interface, which makes it possible to increase the speed of data exchange with high-speed NVMe SSDs by almost 100%. The Gigabyte B550 AORUS MASTER motherboard received a super-powerful 16-phase power subsystem, the capabilities of which will be in demand during overclocking experiments. Equipped with four slots for DDR4 DIMMs, supports up to 128 GB of RAM, which is more than enough for gaming, streaming, any household and professional tasks. To work in a cable network, there is a high-speed Realtek 2.5GbE LAN controller (wired connection speed up to 2.5 Gbps), a Wi-Fi 6 (802.11n / ac / ax) module is responsible for data transmission over the air.

All specifications
Specifications B550 AORUS MASTER
Main
Featuresgaming for overclocking
SocketAM4
Form factorATX
Power phases16
VRM heatsink
POST encoder
LED lighting
Lighting syncGigabyte RGB Fusion
Size (HxW)305x244 mm
Chipset
ChipsetAMD B550
BIOSAmi
DualBIOS
UEFI BIOS
RAM
DDR44 slot(s)
Memory moduleDIMM
Operation mode2 channel
Max. clock frequency5000 MHz
Max. memory128 GB
XMP
Drive interface
SATA 3 (6Gbps)6
M.2 connector3
M.21xSATA/PCIe 4x, 2xPCIe 4x
M.2 SSD cooling
Integrated RAID controller / RAID 0, RAID 1, and RAID 10 /
Expansion slots
PCIe 16x slots3 pcs
PCIe support4.0
Steel PCIe connectors
Internal connections
TPM connector
USB-A 2.02 pcs
USB-A 5Gbps1 pcs
Thunderbolt AIC connectorv3 1 pcs
ARGB LED strip2
RGB LED strip2
More featuresTemperature sensor
Video outputs
HDMI output
HDMI versionv2.1
Integrated audio
AudiochipRealtek ALC1220-VB
Sound (channels)7.1
Optical S/PDIF
Network interfaces
Wi-FiWi-Fi 6 (802.11ax) / Intel Wi-Fi 6 AX200 /
BluetoothBluetooth v5.0
LAN (RJ-45)2.5 Gbps
LAN ports1
LAN controllerRealtek 2.5GbE
External connections
USB-A 2.06 pcs
USB-A 10Gbps5 pcs
USB-C 10Gbps1 pcs
Power connectors
Main power socket24-pin
CPU power8+4-pin
Fan power connectors8
CPU Fan 4-pin1
CPU/Water Pump Fan 4-pin3
Chassis/Water Pump Fan 4-pin4
Official Websitegigabyte.com
Added to E-CatalogMay 2020
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Gigabyte 2026 - new arrivals, bestsellers, and the most relevant models Gigabyte.
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good model, liked it
30 November 2020 
Overall, a good motherboard that will be just great if the manufacturer fixes the USB issue with a BIOS update.
- Honest 16 power phases without doublers: 14 for the processor, 2 for everything else
- Solid heatsink on the VRM
- At the time of review publication (BIOS version F11i), there is an issue with data synchronization on the USB bus. This may only occur when installing a Ryzen 5000 and XMP memory profile. USB devices disconnect and reconnect roughly once every second. Input from the keyboard and mouse is periodically interrupted. This is resolved by disabling CPU C States in the BIOS. It is said that AMD is aware of the problem and is already working on its solution. More details here: https://www.pcseekers.tech/2020/08/gigabyte-b550-aorus-pro-usb-issues.html
- No USB type C connector for the front panel of the case
- High price
psycha0suse Gigabyte B550 AORUS MASTER less than month
It's not worth the money. Gigabyte really disappointed...
12 September 2020 
Processor 3900XT. (12/24)
If you insert 2 or 3 SSDs, then your video card will work with a PCIe x8 bus. It seems there is a lack of PCI lines. This is not mentioned anywhere.
The cost-saving on components is most apparent in this model. It is the illegitimate child of a more advanced board. That's why it doesn’t have a true 4x slot, but a pseudo 16x one, in order to save on designing and manufacturing with a 4x slot.
There's nowhere to apply PCIe 4.0 yet. Let's see how the RTX 3080 works on 3.0 and 4.0. I think there will be no difference, but in a couple of years, it will be noticeable.
Wi-fi flies at 5GHz. There is no router with 6th.
Deception number 1. Don't look at the fact that there are 3 M.2 slots... There is only 1!!! If you insert 2 or 3 SSDs, then your video card will work with a PCIe 8x bus, not 16x.
Deception number 2. PCIe 16x - 3 pieces. NO, again, there's only one!! The other two are 4x, with a 16x form factor. Even the contacts are only present on 1/3 of the connector.
Deception number 3. The motherboard does not support 64 GB of RAM at a frequency of 3200 MHz. But it is claimed to handle 128 GB at this frequency...
G-Skill trident z RAM (2x16 GB, 3600 MHz). It did not start at 2666, 3000, 3200, 3600 MHz, only at the default 2133 MHz. Switched the modules to HyperX Predator (4x16 GB, 3200 MHz). So far, only 3 out of 4 have started at 3200 MHz, and all 4 only work at 3000 MHz... Even though both the processor and the motherboard claim to support these frequencies.
Aleksandruse Gigabyte B550 AORUS MASTER less than month
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