Here are the basic specifications for the ASRock 970 Extreme3 motherboard:
CPU Support: AMD Socket AM3+ processors (includes 8-core CPUs), also supports AM3 CPUs
Chipset: AMD 970 Northbridge + SB950 Southbridge
Memory: 4 x DDR3 DIMM slots, dual channel, supports up to 64GB DDR3 RAM at speeds up to 2100MHz (OC)
Expansion Slots:
1 x PCIe 2.0 x16 @ x16
1 x PCIe 2.0 x16 @ x4
2 x PCIe 2.0 x1
2 x PCI slots (32-bit)
Storage: 5 x SATA 6 Gb/s connectors, supports RAID 0, 1, 5, 10, NCQ, AHCI, Hot Plug; 1 x eSATA3 port
LAN: Realtek RTL8111E Gigabit Ethernet
Audio: 7.1 Channel HD Audio with Realtek ALC892 codec, supports THX TruStudio
USB:
2 x USB 3.0 (rear)
4 x USB 2.0 (rear)
3 x USB 2.0 headers (for 6 additional ports)
Form Factor: ATX (305mm x 218mm)
Special Features: ASRock utilities for tuning, XFast USB and LAN technology, graphical UEFI BIOS
This board is suitable for AMD multi-core AM3+ builds with solid expansion and USB 3.0 support
The AMD FX-8120 processor has the following key specifications:
Architecture: Bulldozer (Zambezi)
Cores/Threads: 8/8
Base Clock: 3.1 GHz
Turbo Boost Clock: Up to 4.0 GHz
Cache:
L1 Cache: 8 x 128 KB (total 1 MB)
L2 Cache: 4 x 2 MB (total 8 MB)
L3 Cache: 8 MB shared
TDP: 125 W
Socket: AM3+
Manufacturing Process: 32 nm
Memory Support: DDR3 up to 1866 MHz
Bus Speed: 200 MHz (HyperTransport)
It does not have integrated graphics, so a discrete GPU is required. This CPU is suitable for multi-threaded workloads but has moderate single-thread performance compared to modern CPUs