ASRock B550 Steel Legend AM4 AMD B550, SATA 6Gb/s, 14 Power Phase Design, Digi Power, Dr. MOS, Supports DDR4 4733+ (OC) | 90-MXBDF0-A0UAYZ Buy, Best Price in UAE, Dubai, Abu Dhabi, Sharjah
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ASRock B550 Steel Legend AM4 AMD B550, SATA 6Gb/s, 14 Power Phase Design, Digi Power, Dr. MOS, Supports DDR4 4733+ (OC) | 90-MXBDF0-A0UAYZ

Model: 90-MXBDF0-A0UAYZ
SKU: 54539
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Description for ASRock B550 Steel Legend AM4 AMD B550, SATA 6Gb/s, 14 Power Phase Design, Digi Power, Dr. MOS, Supports DDR4 4733+ (OC) | 90-MXBDF0-A0UAYZ

B550-PG-Velocita motherboard

B550 Steel Legend
  • Supports 3rd Gen AMD AM4 Ryzen / Future AMD Ryzen Processors
  • 14 Power Phase Design, Digi Power, Dr. MOS
  • Supports DDR4 4733+ (OC)
  • 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 2 PCIe 3.0 x1, 1 M.2 Key E for WiFi
  • Graphics Output Options: HDMI, DisplayPort
  • AMD CrossFireX
  • 7.1 CH HD Audio (Realtek ALC1220 Audio Codec), Nahimic Audio
  • 6 SATA3, 1 Hyper M.2 (PCIe Gen4 x4), 1 M.2 (PCIe Gen3 x2 & SATA3)
  • 2 USB 3.2 Gen2 (Rear Type A+C), 5 USB 3.2 Gen1 (2 Front, 2 Rear, 1 Front Type-C)
  • Dragon 2.5G LAN
detail of the motherboardleft side of the motherboardtop side of the motherboard
B550M Steel Legend motherboard

Steel Legend represents the philosophical state of rock-solid durability and irresistible aesthetics. Built around most demanding specs and features, the Steel Legend series aims at daily users and mainstream enthusiasts! Providing a strong array of materials/components to ensure a stable and reliable performance.

B550 Steel Legend motherboard


STEEL FOREVER

Get Endless Performance Possibilities with Steel Style

DualM2-SSD-B550 of the motherboard

Unbeatable Heatsink Armor

Forged with aluminum alloy heatsinnk top cover that effectively improves heat dissipation. Underneath its solid strong cover lie two gaming required M.2 Key M sockets for high speed SSDs.

Dual M.2 Sockets for SSD

Hyper M.2 socket that supports PCIe Gen4 x4 while M.2 socket is capable of running PCIe Gen3 x2 and SATA3 mode.



a woman is listening music

Nahimic Audio

Whether you are using headphones, a headset, external or internal speakers, via USB, Wi-Fi, analog output or even HDMI, Nahimic Audio offers you the most engaging listening experience, vibrant and rich with details.


Model

Brand
ASRock
Model
B550 STEEL LEGEND

Supported CPU

CPU Socket Type
AM4
CPU Type
Supports 3rd Gen AMD AM4 Ryzen / future AMD Ryzen Processors (3000 and 4000 Series Processors)*
* Not compatible with AMD Ryzen 5 3400G and Ryzen 3 3200G.

Chipsets

Chipset
AMD B550

Memory

Number of Memory Slots
4×288pin
Memory Standard
AMD Ryzen series CPUs (Matisse) support DDR4 4733+(OC)/ 4666(OC)/ 4600(OC)/ 4533(OC)/ 4466(OC)/ 4400(OC)/ 4333(OC)/ 4266(OC)/ 4200(OC)/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3200/ 2933/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
AMD Ryzen series APUs (Renoir) support DDR4 4733+(OC)/ 4666(OC)/ 4600(OC)/ 4533(OC)/ 4466(OC)/ 4400(OC)/ 4333(OC)/ 4266(OC)/ 4200(OC)/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3200/ 2933/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*

* For Ryzen Series CPUs (Picasso), ECC is only supported with PRO CPUs.
Maximum Memory Supported
128GB
** Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows 32-bit OS. For Windows 64-bit OS with 64-bit CPU, there is no such limitation.
Channel Supported
Dual Channel

Expansion Slots

PCI Express 4.0 x16
AMD Ryzen series CPUs (Matisse)
- 1 x PCI Express x16 Slots (PCIE1: Gen4x16 mode)*
AMD Ryzen series APUs (Renoir)
- 1 x PCI Express x16 Slots (PCIE1: Gen3x16 mode)*
* Supports NVMe SSD as boot disks
PCI Express 3.0 x16
AMD Ryzen series CPUs (Matisse)
- 1 x PCI Express x16 Slots (PCIE3: Gen3 x4 mode)*
AMD Ryzen series APUs (Renoir)
- 1 x PCI Express x16 Slots (PCIE3: Gen3 x4 mode)*
* Supports NVMe SSD as boot disks
PCI Express x1
2 x PCI Express 3.0 x1 Slots
Other Slots
1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module
15µ Gold Contact in VGA PCIe Slot (PCIE1)

Storage Devices

SATA 6Gb/s
6 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug*
* M2_2 and SATA3_5_6 share lanes. If either one of them is in use, the other one will be disabled.
M.2
1 x Hyper M.2 Socket (M2_1), supports M Key type 2230/2242/2260/2280 M.2 PCI Express module up to Gen4x4 (64Gb/s) (with Matisse) or Gen3x4 (32Gb/s) (with Renoir)**
1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280/22110 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x2 (16Gb/s)**

** Supports NVMe SSD as boot disks
** Supports ASRock U.2 Kit
SATA RAID
0/1/10
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Specifications for ASRock B550 Steel Legend AM4 AMD B550, SATA 6Gb/s, 14 Power Phase Design, Digi Power, Dr. MOS, Supports DDR4 4733+ (OC) | 90-MXBDF0-A0UAYZ

General
Brand
Model
  • 90-MXBDF0-A0UAYZ
Microless SKU
  • 54539
Date first available
  • 04 August, 2020
Shipping Weight
  • 2.35 Kg
Shipping Dimensions
  • 9.00 cm x 38.50 cm x 33.51 cm
Chipset
  • AMD B550
Form Factor
  • ATX
M.2 Slots
  • 3
Maximum Memory
  • 128 GB
Memory Slots
  • 4
Memory Speed
  • 4600
Memory Type
  • DDR4
Multi-GPU Support
  • No Support
PCI Express x16
  • 2
Socket
  • AM4

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