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Black ATX motherboard with silver heatsinks and PCIe slots

GIGABYTE

GIGABYTE B550 GAMING X V2 AM4 ATX AMD motherboard 128GB DDR4 4733MHz

SKU CH-T86W-REBDM MPN B550 GAMING X V2

ATX board for AM4 Ryzen 5000 and 3000 CPUs with dual-channel DDR4 up to 128 GB, PCIe 4.0 x16 and dual NVMe M.2 slots

  • ProcessorSupport AMD Ryzen 5000 / 5000 G / 4000 G / 3000 Series Proce
  • ChipsetAMD B550
  • Form factorATX
  • CPU socketAM4
  • Memory slot count4 × 288pin (DDR4)
  • Supported memoryDDR4 4733(OC) / 4600(OC) / 4400(OC) / 4266(OC) / 4133(OC) /

Model B550 GAMING X V2

  • Supports AMD Ryzen 5000, 4000 G and 3000 series CPUs via AM4 socket
  • 10+3 phase digital twin power design with low RDS(on) MOSFETs for stable delivery
  • PCIe 4.0 x16 slot and dual M.2 connectors for NVMe SSDs up to 22110
  • Four DDR4 slots up to 4733 OC with 128 GB maximum capacity
  • GIGABYTE 8118 gaming LAN, USB 3.2 Gen1 Type-C and HDMI plus DVI-D outputs

AMD Ryzen 5000 Ready ATX Foundation

The GIGABYTE B550 GAMING X V2 is an ATX motherboard built for AMD Ryzen 5000, 5000 G, 4000 G and 3000 series processors on the AM4 socket. It uses the AMD B550 chipset to deliver PCIe 4.0 connectivity for graphics and storage. Four 288-pin DDR4 slots support up to 128GB of memory in dual-channel mode.

10+3 Phase Digital Power With Enlarged Heatsink

A 10+3 phase digital twin power design uses low RDS(on) MOSFETs to supply the CPU efficiently. An enlarged heatsink covers the VRM area to dissipate heat during sustained loads. The board draws power through standard ATX and 8-pin EPS connectors without requiring exotic cooling.

Dual M.2 NVMe And Front USB 3.2 Gen1 Type-C

Two M.2 slots accept 2242, 2260, 2280 and 22110 SSDs with PCIe 4.0 or 3.0 x4 speeds depending on the CPU installed. Four SATA 6Gb/s ports remain available for additional drives. Front-panel USB 3.2 Gen1 Type-C, HDMI and DVI-D outputs simplify case wiring and multi-display setups.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $71.99
Cheaper than about 85% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameGIGABYTE
Model nameB550 GAMING X V2
Processor
ProcessorSupport AMD Ryzen 5000 / 5000 G / 4000 G / 3000 Series Processors
CPU socketAM4
ChipsetAMD B550
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 4733(OC) / 4600(OC) / 4400(OC) / 4266(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3200 / 2933 / 2667 / 2400 / 2133
Max supported RAM128 GB
Memory channelsDual Channel
Memory profilesIntel XMP 2.0
ECC supportECC memory (ECC mode) support varies by CPU
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
M.2 slots1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2242/2260/2280/22110 SSDs:
AMD Ryzen 5000 Series and Ryzen 3000 Series Processors support SATA and PCIe 4.0 x4/x2 SSDs
AMD Ryzen Ryzen 5000 G-Series and Ryzen 4000 G-Series Processors support SATA and PCIe 3.0 x4/x2 SSDs
1 x M.2 connector (M2B_SB), integrated in the Chipset, supporting Socket 3, M key, type 2242/2260/2280/22110 SSDs:
Supporting SATA and PCIe 3.0 x4/x2 SSDs
SATA and RAID support0/1/10
Graphics
Onboard video chipSupported only by CPU with integrated graphic
Audio & video
Audio chipRealtek Audio CODEC
Sound channels7.1 Channels
Connectivity
Ethernet controllerRealtek GbE LAN chip
Maximum network speed1 Gbit/s
Ports & slots
PCIe 3.0 x16 slots1 x PCI Express 3.0 x16*
* Supporting PCIe 3.0 x2 mode.
PCIe x16 slots1 x PCI Express x16
PCIe x1 slots3 x PCI Express 3.0 x1
PCI slots2 x PCI Slots
Rear panel ports2 x USB 2.0/1.1 ports
1 x PS/2 keyboard/mouse port
1 x DVI-D port
1 x HDMI port
3 x USB 3.2 Gen 1 ports
1 x USB 3.2 Gen 2 Type-A port (red)
1 x Q-Flash Plus button
1 x RJ-45 port
3 x audio jacks
USB 3.0 ports2 x USB 3.0
Onboard USB headers1 x USB Type-C port, with USB 3.2 Gen 1 support
1 x USB 3.2 Gen 1 header
2 x USB 2.0/1.1 headers
Power
Power connectors1 × 24-pin ATX main power connector
1 × 8-pin ATX 12 V power connector
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Shipping weight1.52 kg
Package size335 × 270 × 80 mm
Compatibility
Windows 11 supportSupported
More details
LightingRGB

Other versions of this model

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Questions about this item

How do I install the CPU into the AM4 socket on this board, and what step is often missed?

Lift the retention arm, align the gold triangle on the Ryzen processor with the socket marker, lower the chip without force, then lock the arm down; the step often missed is removing the plastic socket cover before placement.

What maintenance or replacement will the board need later?

The primary item is the CMOS battery that keeps BIOS settings; when the system starts losing the date and time after being unplugged, replace that cell.

What limit appears first under sustained heavy load?

The 10+3 phase digital VRM and its heatsink set the practical thermal ceiling; prolonged all-core workloads on high-wattage Ryzen CPUs will hit VRM temperature limits before other components.

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