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ATX motherboard with black PCB, silver heatsinks, rear I/O shield and bundled Wi-Fi module

ASRock

ASRock X470 Master SLI/AC AMD motherboard

SKU CH-TMN1-0AKV8

AM4 board with X470 chipset, dual PCIe 3.0 x16 slots, 64 GB DDR4 capacity and Intel Gigabit LAN plus 802.11ac Wi‑Fi

  • ProcessorSupports AMD AM4 Socket Ryzen Series CPUs (Matisse, Picasso,
  • ChipsetAMD Promontory X470
  • Form factorATX
  • CPU socketAM4
  • Memory slot count4 × 288pin (DDR4)
  • Supported memoryAMD Ryzen series CPUs (Matisse) support DDR4 3200/ 2933/ 266
  • Supports Ryzen 3000 series CPUs on AM4 socket
  • Dual-channel DDR4 memory up to 64GB capacity
  • Ultra M.2 slot with PCIe Gen3 x4 32Gb/s bandwidth
  • Intel Gigabit LAN plus 802.11ac Wi-Fi connectivity
  • 1 channel HD Audio with Realtek ALC892 codec

X470 Master SLI/AC AM4 Platform

The ASRock X470 Master SLI/AC is an ATX motherboard built around the AMD Promontory X470 chipset for the AM4 socket. It accepts Ryzen processors from the Matisse, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge families. The board targets enthusiasts who need multi-GPU support and integrated wireless connectivity in a single package.

PCIe 3.0 x16 and 2.0 x1 Limits

Primary graphics run at PCIe 3.0 x16 from the CPU; a second card drops both slots to x8 and x8. Four PCIe 2.0 x1 slots handle add-in cards such as sound or capture devices. The Ultra M.2 socket (M2_1) delivers up to PCIe Gen3 x4 (32Gb/s) with Matisse, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge CPUs, while a second M.2 socket (Key E) carries the bundled Wi-Fi 802.11 ac module.

64GB DDR4 Dual-Channel Ceiling

Four 288-pin DDR4 slots support a maximum of 64GB in dual-channel mode. Matisse CPUs officially run 3200/2933/2667/2400/2133 ECC and non-ECC; Pinnacle Ridge and Summit Ridge add 3466+(OC) and 3200(OC). Exceeding 64GB is not possible on this platform, so memory capacity is the decisive specification for builders planning large workloads.

How it compares

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

Price $111.99
Cheaper than about 72% of the 1,906 comparable items (median $224.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASRock
Model nameX470 Master SLI/AC
Processor
ProcessorSupports AMD AM4 Socket Ryzen Series CPUs (Matisse, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge)
CPU socketAM4
ChipsetAMD Promontory X470
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryAMD Ryzen series CPUs (Matisse) support DDR4 3200/ 2933/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3466+(OC)/ 3200(OC)/ 2933(OC)/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Picasso) support DDR4 2933/ 2667/ 2400/ 2133 non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Summit Ridge) support DDR4 3466+(OC)/ 3200(OC)/ 2933(OC)/ 2667/ 2400/ 2133 ECC & non-ECC, un-buffered memory*
AMD Ryzen series CPUs (Raven Ridge) support DDR4 3466+(OC)/ 3200(OC)/ 2933/ 2667/ 2400/ 2133 non-ECC, un-buffered me
Memory channelsDual Channel
Storage
SATA ports6 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug
M.2 slots1 x Ultra M.2 Socket (M2_1), supports M Key type 2230/2242/2260/2280/22110 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x4 (32Gb/s) (with Matisse, Picasso, Summit Ridge, Raven Ridge and Pinnacle Ridge) or Gen3 x2 (16Gb/s) (with Athlon 2xxGE series APU)*
1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen2 x2 (10Gb/s)*
* Supports NVMe SSD as boot disks
* Supports ASRock U.2 Kit
SATA and RAID support0/1/10
Audio & video
Audio chipRealtek ALC892
Sound channels7.1 Channels
Connectivity
Ethernet controllerIntel i211AT
Maximum network speed1 Gbit/s
Wi-Fi standardIntel 802.11 ac Wi-Fi Module
Supports IEEE 802.11 a/b/g/n/ac
Supports Dual-Band (2.4/5 GHz)
Supports high speed wireless connections up to 433 Mbit/s
Bluetooth supportSupports Bluetooth 4.2 / 3.0 + High speed class II
Ports & slots
PCIe 3.0 x16 slotsAMD Ryzen series CPUs (Matisse, Summit Ridge and Pinnacle Ridge)
- 2 x PCI Express 3.0 x16 Slots (single at x16 (PCIE1); dual at x8 (PCIE1) / x8 (PCIE4))*
AMD Ryzen series CPUs (Picasso, Raven Ridge)
- 1 x PCI Express 3.0 x16 Slot (single at x8 (PCIE1))*
AMD Athlon series CPUs
- 1 x PCI Express 3.0 x16 Slot (single at x4 (PCIE1))*
* Supports NVMe SSD as boot disks
PCIe x1 slots4 x PCI Express 2.0 x1 Slots
Additional slots1 x Vertical M.2 Socket (Key E) with the bundled Wi-Fi 802.11 ac module (on the rear I/O)
15µ Gold Contact in VGA PCIe Slot (PCIE1)
Rear panel ports2 x Antenna Ports
1 x PS/2 Mouse/Keyboard Port
1 x HDMI Port
1 x Optical SPDIF Out Port
1 x USB 3.1 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
1 x USB 3.1 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
6 x USB 3.1 Gen1 Ports (Supports ESD Protection)
1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone
Onboard USB headers2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
2 x USB 3.1 Gen1 Headers (Support 4 USB 3.1 Gen1 ports) (Supports ESD Protection)
Power
Power connectors1 × 24-pin ATX Power Connector (Hi-Density Power Connector)
1 × 8-pin 12 V Power Connector (Hi-Density Power Connector)
1 × 4-pin 12 V Power Connector (Hi-Density Power Connector)
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
More details
LightingRGB

Questions about this item

Which memory speed should I pick for a Ryzen 3000 Matisse CPU on this board?

The specifications list DDR4 3200, 2933, 2667, 2400 and 2133 as supported speeds for Matisse processors, all running in dual-channel mode up to 64 GB total.

What resolution can the HDMI 1.4 port actually deliver when using a Ryzen APU?

The HDMI 1.4 output is rated for a maximum of 4K x 2K at 40 Hz, so 4K at 60 Hz is not available through this port.

What bandwidth does the Ultra M.2 slot provide with a Matisse CPU installed?

With a Matisse processor the Ultra M.2 socket runs at PCIe Gen3 x4, giving up to 32 Gb/s for a compatible M.2 drive.

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