Asrock AB350M, mATX motherboard

CPU
- Supports AMD Socket AM4 A-Series APUs (Bristol Ridge) and Ryzen Series CPUs (Summit Ridge)
- Supports 95W Air Cooling
Chipset
- AMD Promontory B350
Memory
- Dual Channel DDR4 Memory Technology
- 2 x DDR4 DIMM Slots
- Supports DDR4 2667/2400/2133 ECC & non-ECC, un-buffered memory*
- Max. capacity of system memory: 32GB**
- 15μ Gold Contact in DIMM Slots

A-Series APUs:
UDIMM Memory Slot    Frequency(MHZ)
A1    A2
-    SR    2400
SR    -    2400
-    DR    2400
DR    -    2400
SR    SR    2400
DR    DR    2400

Ryzen Series CPUs:
UDIMM Memory Slot    Frequency(MHZ)
A1    A2
-    SR    2667
SR    -    2667
-    DR    2667
DR    -    2667
SR    SR    2667
DR    DR    2667


SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label
DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label

Graphics
- n/a
Audio
- 7.1 CH HD Audio (Realtek ALC887 Audio Codec)*
- Supports Surge Protection
- ELNA Audio Caps

LAN
- PCIE x1 Gigabit LAN 10/100/1000 Mb/s
- Realtek RTL8111GR
- Supports Wake-On-LAN
- Supports Lightning/ESD Protection
- Supports LAN Cable Detection
- Supports Energy Efficient Ethernet 802.3az
- Supports PXE
Slots
- 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)*
- 1 x PCI Express 2.0 x1 Slot

PCIE2 will downgrade to x8 mode when A-Series APU is installed.
Storage
- 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug
- 1 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s) (with Ryzen Series CPU) or Gen3 x2 (16 Gb/s) (with A-Series APU)*

Supports ASRock U.2 Kit
Connector
- 1 x COM Port Header
- 1 x TPM Header
- 1 x Chassis Intrusion and Speaker Header
- 1 x RGB LED Header*
- 1 x AMD Fan LED Header
- 1 x CPU Fan Connector (4-pin)**
- 2 x Chassis Fan Connectors (1 x 4-pin, 1 x 3-pin)
- 1 x 24 pin ATX Power Connector
- 1 x 8 pin 12V Power Connector
- 1 x Front Panel Audio Connector
- 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection)
- 1 x USB 3.0 Header (Supports 2 USB 3.0 ports) (Supports ESD Protection)

Rear Panel I/O
- 1 x PS/2 Mouse Port
- 1 x PS/2 Keyboard Port
- 2 x USB 2.0 Ports (Supports ESD Protection)
- 6 x USB 3.0 Ports (Supports ESD Protection)
- 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
- HD Audio Jacks: Line in / Front Speaker / Microphone
Unique Feature
Software
- ASRock RGB LED
- ASRock APP Charger
- ASRock XFast LAN*
UEFI
- ASRock Full HD UEFI
- ASRock Instant Flash
- ASRock Internet Flash
- ASRock Crashless BIOS
- ASRock Easy RAID Installer

Support CD
- Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar
Accessories
- Quick Installation Guide, Support CD, I/O Shield
- 2 x SATA Data Cables
- 1 x Screw for M.2 Socket
Hardware Monitor
- CPU/Chassis temperature sensing
- CPU/Chassis Fan Tachometer
- CPU/Chassis Quiet Fan
- CPU/Chassis Fan multi-speed control
- CASE OPEN detection
- Voltage monitoring: +12V, +5V, +3.3V, Vcore
Form Factor
- Micro ATX Form Factor: 9.1-in x 8.1-in, 23.1 cm x 20.6 cm