MSI X399 SLI PLUS STR4 AMD X399 SATA 6Gb/S USB 3.1 ATX Motherboards – AMD | 911-7B09-009

Supported CPU

CPU Socket Type

sTR4

CPU Type

Ryzen Threadripper Series

Chipsets

Chipset

AMD X399

Memory

Number of Memory Slots

8×288pin

Memory Standard

DDR4 3600+(OC)/ 3466(OC)/ 3333(OC)/ 3200(OC)/ 3066(OC)/ 2933(OC)/ 2800(OC)/ 2667(OC)/ 2400/ 2133

Maximum Memory Supported

128GB

Channel Supported

Quad Channel

Expansion Slots

PCI Express 3.0 x16

4 x PCI Express 3.0 x16

PCI Express x1

2 x PCIe 2.0 x1 slots

Storage Devices

SATA 6Gb/s

8 x SATA 6Gb/s

M.2

3 x M.2 slots (Key M)
– Supports up to PCIe 3.0 x4 and SATA 6Gb/s
– M2_1, M2_3 slots support 2242/2260/2280 storage devices
– M2_2 slot supports 2242/2260/2280/22110 storage devices

SATA RAID

0/1/10

Onboard Video

Onboard Video Chipset

None

Onboard Audio

Audio Chipset

Realtek ALC1220

Audio Channels

7.1-Channel High Definition Audio
Supports S/PDIF output

Onboard LAN

LAN Chipset

Intel I211

Max LAN Speed

10/100/1000Mbps

Rear Panel Ports

PS/2

1 x PS/2 keyboard/mouse port

RJ45

1 x RJ45

USB 3.1

8 x USB 3.1 Gen1 Type-A ports
1 x USB 3.1 Gen2 Type-A port
1 x USB 3.1 Gen2 Type-C port

USB 1.1/2.0

2 x USB 2.0 Type-A ports

S/PDIF Out

1 x Optical

Audio Ports

5 x OFC audio jacks

Internal I/O Connectors

Onboard USB

2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
2 x USB 3.1 Gen1 connectors (supports additional 4 USB 3.1 Gen1 ports)
1 x USB 3.1 Gen2 Type-C port

Other Connectors

1 x 4-pin CPU fan connector
1 x 4-pin Water Pump connector
4 x 4-pin system fan connectors
2 x Front panel connectors
1 x Front panel audio connector
2 x RGB LED connector
1 x TPM module connector
1 x LED demo connector

Physical Spec

Form Factor

ATX

LED Lighting

RGB

Dimensions (W x L)

12.0″ x 9.6″

Power Pin

1 x 24-pin ATX main power connector
2 x 8-pin ATX 12V power connector
1 x 6-pin ATX 12V power connector*
* Provides additional power to PCIe x16 slots