Key facts
- Brand
- ASRock
- Model
- 990FX Extreme4
- Category
- Other Computer Accessories
- Industry
- Computers
- Documents
- 3
- Languages
- EN
- Last added
- 2026-09-30
Start here
ASRock 990FX Extreme4 Motherboard User Manual
User Manual 281 pages · 6.5 MB · EN
This manual covers everything needed to install, configure, and operate the ASRock 990FX Extreme4 ATX motherboard. It includes a step‑by‑step hardware installation guide, BIOS setup instructions, driver installation procedures, and troubleshooting tips.
Key features include support for AMD AM3+ and AM3 CPUs (up to 8 cores and 140 W), four DDR3 DIMM slots for up to 32 GB of memory, three PCI Express 2.0 x16 slots, eight SATA 3 Gb/s connectors, USB 3.0 and USB 2.0 ports, a Gigabit LAN controller, and Realtek 7.1‑channel audio.
ASRock 990FX Extreme4 specifications
| Form Factor | ATX (12.0‑in x 9.6‑in) |
|---|---|
| CPU Socket | Socket AM3+ (also AM3) |
| Maximum Memory Capacity | 32 GB |
| USB 3.0 Ports | 2 |
| SATA3 Connectors | 8 (6 AMD + 2 Marvell) |
| LAN Controller | Broadcom BCM57781 Gigabit Ethernet |
All ASRock 990FX Extreme4 documents by type
User Manual 1
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Other documents 2
Questions answered in these manuals
How many USB 3.0 ports does the motherboard have?
It provides two Ready‑to‑Use USB 3.0 ports.
What CPU socket is supported by the motherboard?
The board supports Socket AM3+ (and AM3) processors.