MSI B550M GAMING PLUS WIFI6E Micro-ATX AM4 DDR4 Motherboard

₹11,158

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B550M GAMING PLUS WIFI6E is an mATX AMD B550 motherboard with a pre‑installed Wi‑Fi 6E module and support for up to 128GB DDR4. It is aimed at Indian DIY builders and gamers who want AM4 CPU support, PCIe 4.0 on an M.2 slot, and built‑in Wi‑Fi 6E.

Full specifications ↓

Highlights

Supports AMD Ryzen™ 5000/5000 G‑Series, 4000 G‑Series, 3000 and 3000 G‑Series desktop processors (AM4).
Pre‑installed Wi‑Fi 6E module (M.2 Key‑E) with Bluetooth 5.3 and 2.4/5/6 GHz support.
Dual M.2 slots: M.2_1 supports PCIe 4.0 x4 from the CPU; M.2_2 supports PCIe 3.0 x4 from the chipset.
Supports DDR4 up to 4400+ MHz (OC) via A‑XMP OC mode and up to 128GB across 4 DIMMs.
ATX‑style connectivity in an mATX 243.84mm x 243.84mm PCB for compact builds.
EZ Debug LEDs and Flash BIOS Button for easier troubleshooting and BIOS updates.
Rear I/O includes HDMI 2.1 and DisplayPort 1.4 (each up to 4K 60Hz) for onboard display output.
Realtek ALC897 7.1 audio and Realtek RTL8111H 1Gbps LAN for standard connectivity.

Specifications

Chipset	AMD B550
CPU	Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series and 3000 G-Series desktop processors
Socket	AM4
Memory	4x DDR4, Maximum Memory Capacity 128GB
Memory Support	DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP OC MODE
Max. overclocking frequency	1DPC 1R Max speed up to 4400+ MT/s; 1DPC 2R Max speed up to 3733+ MT/s; 2DPC 1R Max speed up to 3866+ MT/s; 2DPC 2R Max speed up to 3466+ MT/s
Onboard Graphics	1x HDMI™ (HDMI™ 2.1, maximum resolution of 4K 60Hz); 1x DisplayPort (DP 1.4, maximum resolution of 4K 60Hz)
PCIe Slots	1x PCI-E x16 slot; 2x PCI-E x1 slot; PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU); PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset); PCI_E3 Gen PCIe 3.0 supports up to x1 (From Chipset)
Audio	Realtek® ALC897 Codec; 7.1-Channel High Definition Audio
Storage	2x M.2 (M.2_1 from CPU supports up to PCIe 4.0 x4 / SATA mode, supports 2280/2260/2242 devices; M.2_2 from Chipset supports up to PCIe 3.0 x4, supports 2280/2260/2242 devices); 4x SATA 6G
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	Rear: 2x USB 2.0, 4x USB 5Gbps Type A; Front: 4x USB 2.0, 2x USB 5Gbps Type A, 1x USB 5Gbps Type C (Front)
LAN	Realtek® RTL8111H 1Gbps LAN
Wireless & Bluetooth	Wi-Fi 6E; Wireless module pre-installed in the M.2 (Key-E) slot; Dual-band 1T1R mode; Supports MU-MIMO RX; Supports 2.4GHz/5GHz/6GHz*; Supports 802.11 a/b/g/n/ac/ax; Supports Bluetooth® 5.3
LED Feature	4x EZ Debug LED
Back Panel Ports (listed)	1. USB 5Gbps Type-A; 2. Keyboard / Mouse; 3. LAN Port; 4. Wi‑Fi / Bluetooth; 5. Audio connectors; 6. Flash BIOS Port; 7. DisplayPort; 8. HDMI™; 9. USB 2.0; 10. USB 5Gbps Type-A
Operating System Support	Support for Windows® 11 64-bit, Windows® 10 64-bit
Internal I/O	1x Power Connector(ATX_PWR); 1x Power Connector(CPU_PWR); 1x CPU Fan; 1x Pump Fan; 3x System Fan; 2x Front Panel (JFP); 1x Chassis Intrusion (JCI); 1x Front Audio (JAUD); 1x Com Port (JCOM); 2x Addressable V2 RGB LED connector (JARGB_V2); 2x RGB LED connector(JRGB); 1x TPM pin header(Support TPM 2.0); 4x USB 2.0 ports; 2x USB 5Gbps Type A ports; 1x USB 5Gbps Type C ports
PCB Info / Form Factor / Dimensions	mATX; 243.84mmx243.84mm
UPC	0824142466667

Who should buy it

Choose this board if you are building an AM4 system that benefits from PCIe 4.0 NVMe, Wi‑Fi 6E, and compact mATX form factor. If you need a larger ATX board layout or specifications not listed here, consider other models.

Compatibility

Works with AM4 socket CPUs listed (Ryzen 5000/5000 G, 4000 G, 3000/3000 G) and DDR4 non‑ECC unbuffered dual‑channel memory. M.2_1 uses CPU lanes for PCIe 4.0 x4; M.2_2 uses chipset PCIe 3.0 x4.

Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series and 3000 G-Series desktop processors (AM4)
Supports DDR4 non‑ECC un‑buffered memory, dual‑channel

Frequently asked questions

Does this board include the Wi‑Fi antenna(s) in the box?

The provided facts do not state whether Wi‑Fi antennas are included in the box.

Which Ryzen CPUs are officially supported (exact models / generations)?

The board supports AMD Ryzen™ 5000 Series, 5000 G‑Series, 4000 G‑Series, 3000 Series and 3000 G‑Series desktop processors (AM4).

What is the exact M.2 slot configuration and which slot supports PCIe 4.0?

There are two M.2 slots: M.2_1 (from CPU) supports PCIe 4.0 x4 and M.2_2 (from chipset) supports PCIe 3.0 x4; both accept 2280/2260/2242 devices.

Does the board support ECC memory or only non‑ECC unbuffered DDR4?

The board supports DDR4 non‑ECC un‑buffered memory, dual‑channel.

What is the rear I/O exact USB type and count (including front header support)?

Rear I/O lists: USB 5Gbps Type‑A ports and USB 2.0 ports; overall facts list rear: 2x USB 2.0 and 4x USB 5Gbps Type‑A, and front headers include 4x USB 2.0, 2x USB 5Gbps Type‑A and 1x USB 5Gbps Type‑C (front).

Does the motherboard include an M.2 heatsink (M.2 Shield Frozr) in the box?

The provided facts do not state whether an M.2 heatsink is included in the box.

What is the manufacturer part number / UPC for warranty/service registration?

The facts include a UPC field listed as "[NUMBER]"; no specific manufacturer part number or full UPC is provided here.

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Specifications

Brand	MSI
Category	Motherboard
Chipset	AMD B550
CPU	Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, 3000 Series and 3000 G-Series desktop processors
Socket	AM4
Memory	4x DDR4, Maximum Memory Capacity 128GB
Memory Support	DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP OC MODE
Max. overclocking frequency	1DPC 1R Max speed up to 4400+ MT/s; 1DPC 2R Max speed up to 3733+ MT/s; 2DPC 1R Max speed up to 3866+ MT/s; 2DPC 2R Max speed up to 3466+ MT/s
Onboard Graphics	1x HDMI™ (HDMI™ 2.1, maximum resolution of 4K 60Hz); 1x DisplayPort (DP 1.4, maximum resolution of 4K 60Hz)
PCIe Slots	1x PCI-E x16 slot; 2x PCI-E x1 slot; PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU); PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset); PCI_E3 Gen PCIe 3.0 supports up to x1 (From Chipset)
Audio	Realtek® ALC897 Codec; 7.1-Channel High Definition Audio
Storage	2x M.2 (M.2_1 from CPU supports up to PCIe 4.0 x4 / SATA mode, supports 2280/2260/2242 devices; M.2_2 from Chipset supports up to PCIe 3.0 x4, supports 2280/2260/2242 devices); 4x SATA 6G
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	Rear: 2x USB 2.0, 4x USB 5Gbps Type A; Front: 4x USB 2.0, 2x USB 5Gbps Type A, 1x USB 5Gbps Type C (Front)
LAN	Realtek® RTL8111H 1Gbps LAN
Wireless & Bluetooth	Wi-Fi 6E; Wireless module pre-installed in the M.2 (Key-E) slot; Dual-band 1T1R mode; Supports MU-MIMO RX; Supports 2.4GHz/5GHz/6GHz*; Supports 802.11 a/b/g/n/ac/ax; Supports Bluetooth® 5.3
LED Feature	4x EZ Debug LED
Back Panel Ports (listed)	1. USB 5Gbps Type-A; 2. Keyboard / Mouse; 3. LAN Port; 4. Wi‑Fi / Bluetooth; 5. Audio connectors; 6. Flash BIOS Port; 7. DisplayPort; 8. HDMI™; 9. USB 2.0; 10. USB 5Gbps Type-A
Operating System Support	Support for Windows® 11 64-bit, Windows® 10 64-bit
Internal I/O	1x Power Connector(ATX_PWR); 1x Power Connector(CPU_PWR); 1x CPU Fan; 1x Pump Fan; 3x System Fan; 2x Front Panel (JFP); 1x Chassis Intrusion (JCI); 1x Front Audio (JAUD); 1x Com Port (JCOM); 2x Addressable V2 RGB LED connector (JARGB_V2); 2x RGB LED connector(JRGB); 1x TPM pin header(Support TPM 2.0); 4x USB 2.0 ports; 2x USB 5Gbps Type A ports; 1x USB 5Gbps Type C ports
PCB Info / Form Factor / Dimensions	mATX; 243.84mmx243.84mm
UPC	0824142466667
Condition	New, sealed box
Warranty	Manufacturer warranty · details
Invoice	GST tax invoice (input credit available)
Delivery	Insured shipping to every serviceable pin code in India