ASUS Maximus IV Extreme motherboard specifications

Form factor:	12" x 10.6" / 30.5 cm x 26.9 cm
CPU socket type:	Socket 1155
Chipset:	Intel P67 Express
Motherboard features:	CrashFree BIOS 3 EZ Flash 2 Fan Xpert MyLogo 2 Q-Connector Q-Shield
Overclocking features:	CPU Parameter Recall
Memory:	Dual-channel
Integrated Audio:	8-channel HD audio Realtek ALC889 Audio codec
Bluetooth:	V2.0 / V2.1 + EDR
Expansion slots:	PCIe 2.0 x1 x 1 PCIe 2.0 x4 x 1
Internal connectors:	Front panel audio x 1 S/PDIF Out x 1 System Panel x 1
Rear panel ports:	8-channel Audio External SATA x 2 S/PDIF Out (Optical) x 1 USB 3.0/2.0 x 8
Included accessories:	I/O Shield x 1 SLI cable(s) x 1 User manual x 1

NOTE: specifications are not complete

ASUS Maximus IV Extreme CPU compatibility list

Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
BX80623G460 BXC80623G460 CM8062301088702	G460	1.8G,35W,32nm,1.5MB,1C	2001	Any
Intel Celeron Dual-Core
BX80623G440 BXC80623G440 CM8062301088501	G440	1.6G,35W,32nm,1MB,1C	1409	Any
BX80623G530 BXC80623G530 CM8062301046704	G530	2.4G,65W,32nm,2MB,2C	1049	Any
CM8062301046904	G530T	2.0G,35W,32nm,2MB,2C	0406	Any
BX80623G540 BXC80623G540 CM8062301046804	G540	2.5G,65W,32nm,2MB,2C	1409	Any
Intel Core i3
BX80623I32100 BXC80623I32100 CM8062301061600	i3-2100	3.1G,L3:3M,iGPU,2C,HT,rev.Q0	0406	Any
BX80623I32100 BXC80623I32100 CM8062301061600	i3-2100	3.1G,L3:3M,iGPU,2C,rev.Q0	0406	Any
BX80623I32100T BXC80623I32100T CM8062301045908	i3-2100T	2.5G,L3:3M,iGPU,2C,HT,rev.Q0	0406	Any
BX80623I32100T BXC80623I32100T CM8062301045908	i3-2100T	2.5G,L3:3M,iGPU,2C,rev.Q0	0406	Any
BX80623I32105 BXC80623I32105 CM8062301090600	i3-2105	3.1G,L3:3M,iGPU,2C,HT,rev.D2	1204	Any
BX80623I32105 BXC80623I32105 CM8062301090600	i3-2105	3.1G,L3:3M,iGPU,2C,rev.D2	1204	Any
BX80623I32120 BXC80623I32120 CM8062301044204	i3-2120	3.3G,L3:3M,iGPU,2C,HT,rev.Q0	0406	Any
BX80623I32120 BXC80623I32120 CM8062301044204	i3-2120	3.3G,L3:3M,iGPU,2C,rev.Q0	0406	Any
BX80623I32120T BXC80623I32120T CM8062301046008	i3-2120T	2.6G,L3:3M,iGPU,2C	1409	Any
BX80623I32125 BXC80623I32125 CM8062301090500	i3-2125	3.3G,L3:3M,iGPU,2C	1409	Any
BX80623I32130 BXC80623I32130 CM8062301043904	i3-2130	3.4G,L3:3M,iGPU,2C	1409	Any
Intel Core i5
BX80623I52300 BXC80623I52300 CM8062301061502	i5-2300	2.8G,L3:6M,iGPU,4C,rev.D2	0406	Any
BX80623I52310 BXC80623I52310 CM8062301043718	i5-2310	2.9G,L3:6M,iGPU,4C,rev.D2	0901	Any
BX80623I52320 BXC80623I52320 CM8062301043820	i5-2320	3.0G,L3:6M,iGPU,4C,rev.D2	1409	Any
BX80623I52380P BXC80623I52380P CM8062301157400	i5-2380P	3.1G,L3:6M,non-iGPU,4C,rev.D2	2105	Any
CM8062301002115	i5-2390T	2.7G,L3:3M,iGPU,2C,HT,rev.Q0	0406	Any
CM8062301002115	i5-2390T	2.7G,L3:3M,iGPU,2C,rev.Q0	0406	Any
BX80623I52400 BXC80623I52400 CM8062300834106	i5-2400	3.1G,L3:6M,iGPU,4C,rev.D2	0406	Any
BX80623I52400S BXC80623I52400S CM8062300835404	i5-2400S	2.5G,L3:6M,iGPU,4C,rev.D2	0406	Any
BX80623I52405S CM8062301091201	i5-2405S	2.5G,L3:6M,iGPU,4C,rev.D2	1204	Any
BX80623I52450P CM8062301157300	i5-2450P	3.2G,L3:6M,non-iGPU,4C,rev.D2	2105	Any
BX80623I52500 BXC80623I52500 CM8062300834203	i5-2500	3.3G,L3:6M,iGPU,4C,rev.D2	0406	Any
BX80623I52500K BXC80623I52500K CM8062300833803	i5-2500K	3.3G,L3:6M,iGPU,4C,rev.D2	0406	Any
CM8062300835501	i5-2500S	2.7G,L3:6M,iGPU,4C,rev.D2	0406	Any
CM8062301001910	i5-2500T	2.3G,L3:6M,iGPU,4C,rev.D2	0406	Any
BX80623I52550K CM8062301213000	i5-2550K	3.4G,L3:6M,non-iGPU,4C,rev.D2	2105	Any
	i5-3450	3.1G,L3:6M,iGPU,4C,VT-d,77W,rev.E1	3208	Any
	i5-3450S	2.8G,L3:6M,iGPU,4C,VT-d,65W,rev.E1	3208	Any
	i5-3550	3.3G,L3:6M,iGPU,4C,VT-d,77W,rev.E1	3208	Any
	i5-3550S	3.0G,L3:6M,iGPU,4C,VT-d,65W,rev.E1	3208	Any
BX80637I53570K BXC80637I53570K CM8063701211800	i5-3570K	3.4G,L3:6M,iGPU,4C,77W,rev.E1	3208	Any
	i5-3570T	2.3G,L3:6M,iGPU,4C,VT-d,45W,rev.E1	3208	Any
Intel Core i7
BX80623I72600 BXC80623I72600 CM8062300834302	i7-2600	3.4G,L3:8M,iGPU,4C,HT,rev.D2	0406	Any
BX80623I72600 BXC80623I72600 CM8062300834302	i7-2600	3.4G,L3:8M,iGPU,4C,rev.D2	0406	Any
BX80623I72600K BXC80623I72600K CM8062300833908	i7-2600K	3.4G,L3:8M,iGPU,4C,HT,rev.D2	0406	Any
BX80623I72600K BXC80623I72600K CM8062300833908	i7-2600K	3.4G,L3:8M,iGPU,4C,rev.D2	0406	Any
CM8062300835604	i7-2600S	2.8G,L3:8M,iGPU,4C,HT,rev.D2	0406	Any
BX80623I72600S CM8062300835604	i7-2600S	2.8G,L3:8M,iGPU,4C,rev.D2	0406	Any
BX80623I72700K BXC80623I72700K CM8062301124100	i7-2700K	3.5G,L3:8M,iGPU,4C,rev.D2	1904	Any
	i7-3770	3.4G,L3:8M,iGPU,4C,HT.VT-d,77W,rev.E1	3208	Any
BX80637I73770K BXC80637I73770K CM8063701211700	i7-3770K	3.5G,L3:8M,iGPU,4C,HT,77W,rev.E1	3208	Any
	i7-3770S	3.1G,L3:8M,iGPU,GT2,4C,HT,VT-d,65W,rev.E1	3208	Any
	i7-3770T	2.5G,L3:8M,iGPU,GT2,4C,HT,VT-d,45W,rev.E1	3208	Any
Intel Pentium Dual-Core
BX80623G620 BXC80623G620 CM8062301046304	G620	2.6G,65W,32nm,3MB,2C,rev.Q0	0901	Any
BX80623G620T BXC80623G620T CM8062301046504	G620T	2.2G,35W,32nm,3MB,2C,rev.Q0	0901	Any
BX80623G630 BXC80623G630 CM8062301046404	G630	2.7G,65W,32nm,3MB,2C	0406	Any
BX80623G630T CM8062301046604	G630T	2.3G,35W,32nm,3MB,2C	1409	Any
BX80623G840 BXC80623G840 CM8062301046104	G840	2.8G,65W,32nm,3MB,2C,rev.Q0	0901	Any
BX80623G850 BXC80623G850 CM8062301046204	G850	2.9G,65W,32nm,3MB,2C,rev.Q0	0901	Any
BX80623G860 CM8062307260237	G860	3.0G,65W,32nm,3MB,2C	0406	Any

When part numbers are not supplied by motherboard manufacturers, we use best guess approach to determine part numbers based on CPU model, frequency and features. In some cases our guess may be incorrect or incomplete. Please always verify part numbers before committing to buying the CPU.