Performance
| Motherboard form factor |
Micro ATX |
| Audio system |
VIA VT1718S |
BIOS
| BIOS memory size |
16 MB |
| BIOS type |
AMI |
Internal I/O
| USB 2.0 connectors |
3 |
| S/PDIF out connector |
Y |
| Number of SATA connectors |
4 |
| ATX Power connector (24-pin) |
Y |
| Power fan connector |
Y |
| TPM connector |
Y |
| CPU fan connector |
Y |
| Number of COM connectors |
1 |
| Chassis intrusion connector |
Y |
| Front panel audio connector |
Y |
Networking
| Wake-on-LAN ready |
Y |
| Networking features |
10/100/1000 Mb/s |
Memory
| Non-ECC |
Y |
| ECC |
N |
| Number of memory slots |
2 |
| Maximum internal memory |
8 GB |
Back panel I/O ports
| DVI-D ports quantity |
1 |
| PS/2 ports quantity |
1 |
| eSATA ports quantity |
2 |
| Digital audio optical out |
1 |
| HDMI ports quantity |
1 |
| VGA (D-Sub) ports quantity |
1 |
Expansion slots
| PCI slots |
1 |
| PCI Express x16 slots |
2 |
| PCI Express x1 slots |
1 |
Additionally
| Ethernet LAN (RJ-45) ports quantity |
1 |
H55M LGA1156, Intel H55, DDR3 2600+ (OC), 2xPCIEx16, Quad CrossFireX, 4xSATAII, D-Sub/DVI-D/HDMI
OC DNA.
OC DNA, it’s an exclusive utility developed by ASRock’s outstanding RD team, provides a convenient way for user to share the OC settings with others. It helps you to save your overclocking settings under the operating system and simplifies the complicated recording process of overclocking settings. With OC DNA, you can save your OC settings as a profile and send the profile to your friends! Your friends then can load the OC profile to their own system to get the same OC settings as yours!
C.C.O. (Combo Cooler Option).
C.C.O., stands for Combo Cooler Option, is another exclusive hardware design on ASRock H55 boards. C.C.O. provides the flexible options to adopt different CPU cooler types and matches your socket LGA 775 / LGA 1156 CPU cooler in the respective holes. Once again, ASRock has successfully expanded the utilization of PCB by the exclusive C.C.O. design.
Turbo Boost Monitor.
Intel® Turbo Boost Monitor is a user-friendly tool which allows you to monitor the CPU Turbo Boost frequency more conveniently! Intel® Turbo Boost Monitor not only helps you to further trace your current CPU status with dynamic data, but also gets the optimal performance and energy efficiency!
Good Night LED.
Are you eager to enjoy an absolutely better stand-by environment than ever before? ASRock Good Night LED technology can offer you a better environment by extinguishing the unessential LED. By enabling Good Night LED in BIOS, the Power and Keyboard LED will be automatically switched off when the system is under Standby / Hibernation mode.
Instant Boot.
ASRock has overcome the technical obstacles and exclusively invented a new technology that allows you to turn on your PC and boot up to Windows in 4 seconds! ASRock Instant Boot not only excels in the Boot Up speed (3~4 sec.), it also provides clean OS, and saves the most power energy.
Intelligent Energy Saver.
ASRock Intelligent Energy Saver is a function to improve energy efficiency by disabling extra phases when CPU is at light loading.
OC Tuner.
ASRock OC Tuner is a user-friendly ASRock overclocking tool which allows you to guard your system by hardware monitor function and overclock your hardware devices to get the best system performance.
Multi-Speed Fan Control.
The Multi-Speed Fan Control makes you easy to adjust the CPU/Chassis fan speed by adjusting the settings in BIOS or ASRock exclusive OC Tuner. You are now able to set your ideal fan speed by tuning the fan speed from level 1 to 10 in BIOS or OC Tuner.
