Learn more about ASRock X870 PRO RS

Model

Brand

ASRock

Model

X870 PRO RS

Supported CPU

CPU Socket Type

AM5

CPU Type

Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series

Chipsets

Chipset

AMD X870

Memory

Number of Memory Slots

4x288pin (DDR5)

Memory Standard

DDR5 8000+ (OC)

Maximum Memory Supported

256GB

Channel Supported

Dual Channel

ECC Supported

Yes

Buffer Supported

Un-buffered

Expansion Slots

PCI Express 5.0 x16

1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*

PCI Express 4.0 x16

1 x PCIe 4.0 x16 Slot (PCIE2), supports x4 mode*

Other Slots

* PCIE1 will run at Gen5x16 with 9000 and 7000 series processors, Gen4x8 with 8000 (Phoenix 1) series processors and Gen4x4 with 8000 (Phoenix 2) series processors.
* If M2_2 is occupied, PCIE2 will be disabled.
* Supports NVMe SSD as boot disks
– Supports AMD CrossFire
– 15µ Gold Contact in VGA PCIe Slot (PCIE1)

Storage Devices

SATA 6Gb/s

4 x SATA 6Gb/s

M.2

CPU:
– 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode*
Chipset:
– 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2230/2242/2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
– 1 x Ultra M.2 Socket (M2_3, Key M), supports type 2280 SATA3 6.0 Gb/s & PCIe Gen3x4 (32 Gb/s) modes*

* Supports NVMe SSD as boot disks
* M2_1 is the first priority for M.2 installation.
* M2_1 will run at Gen5x4 with 9000 and 7000 series processors and Gen4x4 with 8000 (Phoenix 1 and Phoenix 2) series processors.
* If M2_2 is occupied, PCIE2 will be disabled.
* If SATA3_1 or SATA3_2 is occupied, M2_3 will downgrade to Gen3x2 mode

SATA RAID

Supports RAID 0 and RAID 1 for SATA storage devices

Additional RAID Controller

Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices*
* Requires additional M.2 NVMe expansion cards to support RAID 10

Onboard Audio

Audio Chipset

Realtek ALC1220

Audio Channels

7.1 Channels

Onboard LAN

LAN Chipset

Dragon RTL8125BG

Max LAN Speed

2.5Gbps

Rear Panel Ports

Back I/O Ports

2 x Antenna Mounting Points
1 x HDMI Port
1 x Optical SPDIF Out Port
2 x USB4 Type-C Ports (40 Gb/s)*
4 x USB 3.2 Gen1 Type-A Ports
6 x USB 2.0 Ports
1 x RJ-45 LAN Port
1 x BIOS Flashback Button
1 x Line Out Jack (Gold Audio Jack)
1 x Microphone Input Jack (Gold Audio Jack)
* Supports USB PD 3.0 up to 5V@3A (15W) charging

Internal I/O Connectors

Onboard USB

2 x USB 2.0 Headers (Support 3 USB 2.0 ports)
1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)
1 x Front Panel Type C USB 3.2 Gen2x2 Header (20 Gb/s)

Other Connectors

1 x Thermistor Cable Header
1 x Power LED and Speaker Header
1 x RGB LED Header*
3 x Addressable LED Headers**
2 x CPU Fan Connectors (4-pin) (Smart Fan Speed Control)***
4 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)***
1 x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)***
1 x Front Panel Audio Connector
* Supports in total up to 12V/3A, 36W LED Strip
** Support in total up to 5V/3A, 15W LED Strip
*** CPU_FAN1 supports the fan power up to 1A (12W).
*** CPU_FAN2, CHA_FAN1~4 and AIO_PUMP support the fan power up to 3A (36W).
*** CPU_FAN2, CHA_FAN1~4 and AIO_PUMP can auto detect if 3-pin or 4-pin fan is in use.

Physical Spec

Form Factor

ATX

Dimensions (W x L)

12.0″ x 9.6″

Power Pin

1 x 24 pin ATX Power Connector
2 x 8 pin 12V Power Connectors (Hi-Density Power Connector)

Software Feature

BIOS Feature

256Mb AMI UEFI Legal BIOS with GUI support

Software

Software
– ASRock Motherboard Utility (A-Tuning)
– ASRock Dragon 2.5G LAN Software
– ASRock Polychrome SYNC
* These utilities can be downloaded from ASRock Live Update & APP Shop.
UEFI
– ASRock EZ Mode
– ASRock Full HD UEFI
– ASRock Auto Driver Installer
– ASRock Instant Flash

Windows 11

Windows 10 64-bit / 11 64-bit

Features

Features

Superb Productivity
– PCIe Gen5 (Graphics, M.2)
– Dual Channel DDR5
– USB4 Type-C Ports (40 Gb/s)
Rock-Solid Durability
– 14+2+1 Power Phase, 80A Dr.MOS for VCore+SOC+MISC with Enlarged
Heatsink Armor
– Flexible Integrated I/O Shield
Ultrafast Connectivity
– 2.5G LAN
EZ Update
– BIOS Flashback Button
– ASRock Auto Driver Installer
EZ Troubleshooter
– ASRock Post Status Checker