ASRock
ASRock B85M PRO4 LGA1150 MicroATX Motherboard
★★★★★
Build Your Dream PC with the ASRock B85M PRO4 Motherboard The ASRock B85M PRO4 is a reliable and feature-rich MicroATX motherboard designed for Intel LGA1150 processors. With support for DDR3 memory, Quad CrossFireX, and multiple connectivity options, this motherboard is an excellent foundation f...
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Build Your Dream PC with the ASRock B85M PRO4 Motherboard
The ASRock B85M PRO4 is a reliable and feature-rich MicroATX motherboard designed for Intel LGA1150 processors. With support for DDR3 memory, Quad CrossFireX, and multiple connectivity options, this motherboard is an excellent foundation for building a powerful and versatile PC.
Specifications:- CPU Socket: LGA1150
- Chipset: Intel B85
- Form Factor: MicroATX
- Memory: 4x DDR3-1600/1333/1066 DIMM Slots, up to 32GB
- SATA: 4x SATA3 Ports, 2x SATA2 Ports
- Expansion Slots: 1x PCI-Express 3.0 x16, 1x PCI-Express 2.0 x16 (x4), 2x PCI
- Ports (Rear): 4x USB 3.0, 4x USB 2.0, 1x PS/2, 1x VGA, 1x DVI-D, 1x HDMI, 1x Optical S/PDIF Out, 1x RJ45, Audio I/O Jacks
- Power Connector: 1x 24pin ATX, 1x 8pin 12V
Key Features
LGA1150
Form Factor: MicroATX
Memory: 4x DDR3-1600/ 1333/ 1066 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 32GB
SATA: 4x SATA3 Ports, 2x SATA2 Ports
Slots: 1x PCI-Express 3.0 x16 Slot, 1x PCI-Express 2.0 x16 Slot (runs at x4), 2x PCI Slots
Ports: 4x USB 3.0 Ports (2 rear, 2 via header), 8x USB 2.0 Ports (4 rear, 4 via headers), 1x PS/2 Mouse/Keyboard Port, 1x VGA Port, 1x DVI-D Port, 1x HDMI Port, 1x Optical S/PDIF Out, 1x RJ45 LAN Port, Audio I/O Jacks
Power Connector: 1x 24pin ATX Power Connector, 1x 8pin 12V Power Connector
Specifications
Socket Type
LGA1150
Form Factor
MicroATX
Memory Slots
4x DDR3 DIMM
Memory Type
DDR3-1600/1333/1066
Maximum Memory Capacity
32GB
SATA Ports
4x SATA3, 2x SATA2
PCI-Express 3.0 x16 Slots
1
PCI-Express 2.0 x16 Slots (at x4)
1
PCI Slots
2
USB 3.0 Ports
4 (2 rear, 2 via header)
USB 2.0 Ports
8 (4 rear, 4 via headers)
Video Output Ports
VGA, DVI-D, HDMI
Audio Output
Optical S/PDIF Out, Audio I/O Jacks
LAN Port
1x RJ45
Power Connectors
1x 24pin ATX, 1x 8pin 12V
Pros & Cons
👍 Pros
- Supports up to 32GB of dual-channel, non-ECC, unbuffered DDR3 memory across four DIMM slots.
- Offers a versatile array of storage options with four SATA3 ports and two SATA2 ports.
- Features a comprehensive set of expansion slots, including PCI-Express 3.0 x16, PCI-Express 2.0 x16 (x4), and two PCI slots.
- Provides extensive connectivity with four USB 3.0 ports and eight USB 2.0 ports for various peripherals.
- Includes multiple video output options: VGA, DVI-D, and HDMI, offering flexibility for display connections.
👎 Cons
- The PCI-Express 2.0 x16 slot operates at x4 speed, which may limit the performance of some high-end expansion cards.
- Only two USB 3.0 ports are available on the rear panel, with the other two requiring a header for internal connection.
- Utilizes the LGA1150 socket, which is for older generation Intel processors, limiting CPU upgrade options to older models.
- The maximum memory speed supported is DDR3-1600, which is slower compared to modern DDR4 or DDR5 standards.
- The MicroATX form factor may offer fewer expansion slots or features compared to larger ATX motherboards.
Frequently Asked Questions
What type of CPU socket does the ASRock B85M PRO4 motherboard use?
The ASRock B85M PRO4 motherboard features an LGA1150 socket, compatible with Intel processors designed for that platform.
How much RAM can this motherboard support?
This motherboard can support a maximum capacity of 32GB of DDR3 memory across its four DIMM slots, with speeds up to 1600MHz.
What expansion slots are available on this MicroATX motherboard?
The ASRock B85M PRO4 includes one PCI-Express 3.0 x16 slot, one PCI-Express 2.0 x16 slot (operating at x4), and two traditional PCI slots for various expansion cards.
How many SATA ports are on the ASRock B85M PRO4 for storage devices?
For storage, this motherboard is equipped with four SATA3 ports and two SATA2 ports, offering flexibility for connecting multiple drives.
Does the motherboard provide integrated video outputs?
Yes, the ASRock B85M PRO4 motherboard offers integrated video outputs including one VGA port, one DVI-D port, and one HDMI port for display connectivity.
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