Key facts
- Brand
- ASRock
- Model
- 870 Extreme3
- Documents
- 6
- Languages
- ZH · EN
- Last added
- 2012-05-10
Start here

ASRock 870 Extreme3 Motherboard Manual
This manual introduces the ASRock 870 Extreme3 motherboard, its package contents, and step‑by‑step hardware installation instructions. It also covers BIOS configuration, over‑clocking features, and software utilities included on the support CD.
Detailed specifications are listed, including the AM3 CPU socket, AMD 870/SB850 chipset, four DDR3 DIMM slots (up to 16 GB), multiple PCI‑Express slots, USB 2.0/3.0 ports, SATA3 connectors with RAID support, and integrated Realtek audio and Gigabit LAN controllers.
ASRock 870 Extreme3 specifications
| Chipset | AMD 870 + SB850 |
|---|---|
| Maximum Memory | 16 GB DDR3 |
| Network | Gigabit Ethernet (PCI‑E x1) |
| Power | Supports up to 140 W CPU |
| Energy Standard | ErP/EuP compliant |
All ASRock 870 Extreme3 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Mounting, wiring and first power-up. Read it before the hardware goes in.
Questions answered in these manuals
How many USB 3.0 ports does the 870 Extreme3 motherboard have?
It provides two USB 3.0 ports.
What utility is used to flash the BIOS on this motherboard?
The BIOS flash utility is called ASRock Instant Flash.
What CPU socket does the ASRock 870 Extreme3 motherboard use?
It uses an AM3 socket for AMD processors.
Which LAN controller is integrated on the motherboard?
The motherboard includes a Realtek RTL8111E Gigabit LAN controller.
What CPU socket does the ASRock 870 Extreme3 motherboard use?
It uses an AM3 CPU socket.
Does the board support SATA3 and what features are included?
Yes, it has five SATA3 6.0 Gb/s connectors that support RAID, NCQ, AHCI, and Hot‑Plug.
