ASUS

ASUS PRIME B550-PLUS AM4 ATX MB B550 DDR4 128GB 2xM.2 6xSATA Gig LAN (Boxed)

SKU 4840 Brand ASUS EAN13 4718017782340
ASUS PRIME B550-PLUS: AM4 ATX motherboard w/ AMD B550 chipset. Supports Ryzen 3000-5000, DDR4 to 128GB, PCIe 4.0 M.2, 6x SATA, Gig LAN, HDMI/DP. Robust VRM, no WiFi.
Motherboards - CPU Socket AMD AM4
Motherboards - Chipset AMD B550
Motherboards - Form Factor ATX
Motherboards - Memory Type DDR4
Motherboards - Memory Slots 4
Motherboards - Max Memory Capacity 128 GB
Motherboards - Main Slot PCIe Version PCIe 4.0
Motherboards - Color Black Silver
Motherboards - M.2 Slots 2
Motherboards - SATA Ports 6
Motherboards - RGB Headers None
Motherboards - Wireless Connectivity None

The ASUS PRIME B550-PLUS is a reliable ATX motherboard featuring the AMD B550 chipset and Socket AM4, compatible with Ryzen 3000, 4000 G-Series, and 5000 series processors. It delivers PCIe 4.0 support for high-speed GPUs and one M.2 NVMe SSD, plus a second PCIe 3.0 M.2 slot, alongside 6x SATA ports for versatile storage options.

Equipped with 4x DDR4 DIMM slots supporting up to 128GB (OC to 4600+ MHz via OptiMem), Realtek Gigabit LAN, USB 3.2 Gen2 ports including Type-A, HDMI 2.1, and DisplayPort 1.2. Features robust VRM design, 5X Protection III for durability, and 2-Way CrossFireX support. Ideal for gaming and productivity builds without WiFi or extensive RGB.

  • CPU: AMD Ryzen 3000-5000 Series (AM4)
  • Memory: 4x DDR4 up to 128GB, ECC/Non-ECC
  • Storage: 2x M.2 (1x PCIe 4.0), 6x SATA III
  • Connectivity: Gig LAN, 4x USB 3.2 Gen1, 2x USB 3.2 Gen2
  • Audio: 7.1-channel
  • Expansion: PCIe 4.0 x16, 2-Way CrossFireX
Processor manufacturerAMD
Processor socketSocket AM4
Compatible processor seriesAMD Ryzen 3000, 4000 G-Series, 5000 Series
Motherboard chipsetAMD B550
Motherboard form factorATX
Supported memory typesDDR4-SDRAM
Number of memory slots4
Maximum internal memory128 GB
Supported memory clock speeds2133-4600+(OC) MHz
Number of M.2 (M) slots2 (1x PCIe 4.0 x4, 1x PCIe 3.0 x4)
Number of SATA III connectors6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
Ethernet interface typeGigabit Ethernet
LAN controllerRealtek RTL8111H
HDMI ports quantity1 (HDMI 2.1)
DisplayPorts quantity1 (DP 1.2)
Audio output channels7.1 channels
Product colourBlack/Silver
RAID levels0, 1, 10
Parallel processing technology support2-Way CrossFireX
BIOS typeUEFI AMI
Weight1 kg
PCIe VersionPCIe 4.0 (primary x16)
Memory Profile SupportDOCP
Wireless ConnectivityNone