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| SPECIFICATIONS | |
| Brand | MSI |
| Series | AMD B550 |
| Model | MAG B550 TOMAHAWK |
| CPU | Supports AM4 socket |
| Chipset | AMD B550 Chipset |
| Memory | 4 x DDR4 memory slots, support up to 128GB |
| Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC | |
| Supports DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400/ 4533/ 4600/ 4733/ 4800/ 4866/ 5000/ 5100 MHz by A-XMP OC MODE | |
| 1DPC 1R max speed 5100 MHZ | |
| 1DPC 2R max speed 3866 MHZ | |
| 2DPC 1R max speed 4000 MHZ | |
| 2DPC 2R max speed 3600 MHZ | |
| Dual channel memory architecture | |
| Supports non-ECC UDIMM memory | |
| Supports ECC UDIMM memory (non-ECC mode) | |
| Supports un-buffered memory | |
| Expansion Slot | 1x PCIe 4.0/ 3.0 x16 slot (PCI_E1) |
| 1x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed | |
| 2x PCIe 3.0 x1 slots | |
| The supported specification depends on installed processor.When installing devices in M.2_2, PCI_E2 & PCI_E3 slots at the same time, PCI_E3 slot will be unavailable, and M2_2 slot only supports PCIe x2. | |
| Mulit-GPU | Supports 2-Way AMD CrossFire Technology |
| Onboard Graphics | 1x HDMI port, supports a maximum resolution of 4096x2160 @24Hz |
| 1x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz | |
| Maximum shared memory of 2048 MB | |
| Storage | AMD B550 Chipset |
| 6x SATA 6Gb/s ports | |
| 2x M.2 slots (Key M) | |
| M2_1 slot (from AMD Processor) | |
| Supports PCIe 4.0/ 3.0 x4 | |
| Supports SATA 6Gb/s | |
| Supports 2242/ 2260/ 2280/ 22110 storage devices | |
| M2_2 slot (from AMD B550 chipset) | |
| Supports PCIe 3.0x4 | |
| Supports 2242/ 2260/ 2280 storage devices | |
| RAID | Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices |
| Supports RAID 0 and RAID 1 for M.2 NVMe storage devices | |
| USB | AMD B550 Chipset |
| 3x USB 3.2 Gen 1 5Gbps ports (1 Type-C internal connector, and 2 ports are available through the internal USB 3.2 Gen 1 5Gbps connector) | |
| 6x USB 2.0 ports (2 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors) | |
| AMD Processor | |
| 2x USB 3.2 Gen 2 10Gbps ports (1 Type-C port and 1 Type-A port on the back panel) | |
| 2x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel | |
| Audio | Realtek ALC1200 Codec |
| 7.1-Channel High Definition Audio | |
| Supports S/PDIF output | |
| LAN | 1x Realtek RTL8125B 2.5Gbps LAN controller |
| 1x Realtek RTL8111H 1Gbps LAN controller | |
| Internal Connectors | 1x 24-pin ATX main power connector |
| 1x 8-pin ATX 12V power connector | |
| 6x SATA 6Gb/s connectors | |
| 2x M.2 slots (M-Key) | |
| 1x USB 3.2 Gen 1 5Gbps Type-C port | |
| 1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports) | |
| 2x USB 2.0 connectors (supports additional 4 USB 2.0 ports) | |
| 1x 4-pin CPU fan connector | |
| 1x 4-pin water-pump fan connector | |
| 6x 4-pin system fan connectors | |
| 1x Front panel audio connector | |
| 2x System panel connectors | |
| 1x Chassis Intrusion connector | |
| 2x 4-pin RGB LED connectors | |
| 2x 3-pin RAINBOW LED connectors | |
| 1x TPM module connector | |
| 1x Clear CMOS jumper | |
| Back Panel Ports | PS/2 Combo Port |
| DisplayPort | |
| 2.5G LAN Port | |
| 1G LAN Port | |
| HD Audio Connectors | |
| Flash BIOS Button | |
| USB 2.0 Port | |
| HDMI Port | |
| USB 3.2 Gen 1 5Gbps (Type-A) | |
| USB 3.2 Gen 2 10Gbps (Type-A Type-C) | |
| Optical S/PDIF OUT | |
| Form Factor | ATX |
| 30.5 cm x 24.4 cm | |
| Warranty Information | |
| Warranty | 3 Year Warranty |
| Manufacturer's Site | Visit the manufacturer's website |
|---|---|
| Product Link | Visit the manufacturer's page for this product |
-
Good Board, Thank you wootware - Brandon, 13 August 2022
I had a MSI MPG b550 before, and it died. Taking it to the manufacturer they said it was dead and offered me a upgrade I was not happy with, Wootware stepped in and offered me this board instead which is a slight upgrade from the previous board.
The board is perfect for my needs, supports everything and more I need, It's also really good looking for the Aesthetics lovers (like me)
It features an extra Ethernet port which makes having a dedicated failover for internet easy for me, its good if your line of work requires uninterrupted networks, The ports can also be bridged to enabled 3.5gbps speeds. -
Seems like a good board - Clint, 1 February 2021
This is my 1st MSI board\product.
I've never really been a fan of MSI.
So far this seems like a good board,the percieved build quality seems good.
I was looking at a Gigabyte board as well but this had more features for only a few hundred Rands more.
I bought this to replace my X570 Taichi because I'm having issues with my NIC and the Asrock boards can't run W7
with a 5000 series CPU.
The performance between the 2 chipsets seem the same.
I've had the board a week so far and I don't have any complaints.
-
decent product - The_supa_fly, 29 January 2021
the product works really well and hasn't giving any problems i bought this product because it had a good look, good brand, and it's features satisfied what I was after with USB-C headers it was really easy to get bios flash to update the bios without a CPU installed to support my 5600 XT
-
Great Mobo, with all the features you'd need - Jp, 7 December 2020
Chose this because it had a good look, good brand, and it's features satisfied what I was after with USB-C headers for my case and dual M.2 slots with a decent rear IO.
Was also an easy bios flash to update the bios without a CPU installed to support my 5600x!
Very happy with this, mystic light RGB is also great. -
Motherboard is good. Bios not so much. - Michael, 3 August 2020
To be clear the B550 line is not the budget oriented boards people are looking for. Unlike B450 ect. But what you get is way above the specs of previous boards. Specifically in terms of VRM quality and cooling. The board is robust. I wish MSI would make their BIOS a little simpler with less graphics. Having used gigabyte for years, this is my first MSI board. I feel like they should spend more time adding detailed descriptions of the bios settings instead of flashy visuals. PWM fan control could be better but they allow you to set fan curve profile. The one feature that made me buy the board, the self reset to previous know good settings for memory, does not work 100% of the time. Some settings cause the system to just not boot at all. Makes overclocking a bit more frustrating. As this feature was supposed to make it easier.
Overall you get a really powerful motherboard. Just wish the bios was better. -
Great - Etienne, 27 July 2020
I'm not too sure what to say about this motherboard as it was one of the few B550 boards that was available at the time. I went for it as the Tomahawk boards seemed to get really good reviews. I am giving it four stars as it is/was rather pricey. The two LAN ports seem unnecessary and I would've preferred WiFi or extra USB ports instead. All the 12V RGB headers are at the bottom so that is something consider if a CPU cooler is going to be used that requires one of these headers and cable management is important to you.
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