Gigabyte GA-P55-UD3(rev. 1.0) motherboard specifications

Form factor:	ATX 305mm x 244mm
CPU socket type:	Socket 1156
Chipset:	Intel P55 Express
Multi-GPU support:	ATI CrossFireX
Integrated Audio:	2-channel audio 4-channel audio 5.1-channel audio 7.1-channel audio HD audio Realtek ALC888 Audio Supports CD-in Supports S/PDIF in/out
BIOS:	Award BIOS 2 x 16 Mbit Flash ROM Dual BIOS Supports Plug and Play

NOTE: specifications are not complete

Gigabyte GA-P55-UD3(rev. 1.0) CPU compatibility list

Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Core i3
BX80616I3530 BXC80616I3530 CM80616003180AG	i3-530	2.93 GHz, FSB 133 MHz, L3 4 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev C2	F5	1.0
BX80616I3530 BXC80616I3530 CM80616003180AG	i3-530	2.93 GHz, FSB 133 MHz, L3 4 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev K0	F8	1.0
CM80616003180AG BX80616I3530 BXC80616I3530	i3-530	2.93 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping C2, 73 Watt	F5	1.0
BX80616I3530 BXC80616I3530 CM80616003180AG	i3-530	2.93 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping K0, 73 Watt	F8	1.0
BX80616I3540 BXC80616I3540 CM80616003060AE	i3-540	3.06 GHz, FSB 133 MHz, L3 4 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev C2	F5	1.0
BX80616I3540 BXC80616I3540 CM80616003060AE	i3-540	3.06 GHz, FSB 133 MHz, L3 4 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev K0	F8	1.0
CM80616003060AE BX80616I3540 BXC80616I3540	i3-540	3.06 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping C2, 73 Watt	F5	1.0
BX80616I3540 BXC80616I3540 CM80616003060AE	i3-540	3.06 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping K0, 73 Watt	F8	1.0
BX80616I3550 BXC80616I3550 CM80616003174AJ	i3-550	3.2 GHz, FSB 133 MHz, L3 4 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev K0	F8	1.0
BX80616I3550 BXC80616I3550 CM80616003174AJ	i3-550	3.2 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping K0, 73 Watt	F8	1.0
BX80616I3560 BXC80616I3560 CM80616003177AH	i3-560	3.33 GHz, FSB 133 MHz, L3 4 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev K0	F8	1.0
BX80616I3560 BXC80616I3560 CM80616003177AH	i3-560	3.33 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping K0, 73 Watt	F8	1.0
Intel Core i5
BX80616I5650 BXC80616I5650 CM80616003174AH	i5-650	3.2 GHz, FSB 133 MHz, L3 4 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev C2	F5	1.0
BX80616I5650 BXC80616I5650 CM80616003174AH	i5-650	3.2 GHz, FSB 133 MHz, L3 4 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev K0	F8	1.0
BX80616I5650 BXC80616I5650 CM80616003174AH	i5-650	3.2 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping C2, 73 Watt	F5	1.0
BX80616I5650 BXC80616I5650 CM80616003174AH	i5-650	3.2 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping K0, 73 Watt	F8	1.0
BX80616I5655K CM80616003174AO	i5-655K	3.2 GHz, FSB 133 MHz, L3 4 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev K0	F8	1.0
BX80616I5655K CM80616003174AO	i5-655K	3.2 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping K0, 73 Watt	F8	1.0
BX80616I5660 BXC80616I5660 CM80616003177AC	i5-660	3.33 GHz, FSB 133 MHz, L3 4 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev C2	F5	1.0
BX80616I5660 BXC80616I5660 CM80616003177AC	i5-660	3.33 GHz, FSB 133 MHz, L3 4 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev K0	F8	1.0
CM80616003177AC BX80616I5660 BXC80616I5660	i5-660	3.33 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping C2, 73 Watt	F5	1.0
BX80616I5660 BXC80616I5660 CM80616003177AC	i5-660	3.33 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping K0, 73 Watt	F8	1.0
BX80616I5661 BXC80616I5661 CM80616004794AA	i5-661	3.33 GHz, FSB 133 MHz, L3 4 MB, TDP 87 Watt, Clarkdale, 0.032 micron, Rev C2	F5	1.0
BX80616I5661 BXC80616I5661 CM80616004794AA	i5-661	3.33 GHz, FSB 133 MHz, L3 4 MB, TDP 87 Watt, Clarkdale, 0.032 micron, Rev K0	F8	1.0
CM80616004794AA BX80616I5661 BXC80616I5661	i5-661	3.33 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping C2, 87 Watt	F5	1.0
BX80616I5661 BXC80616I5661 CM80616004794AA	i5-661	3.33 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping K0, 87 Watt	F8	1.0
BX80616I5670 BXC80616I5670 CM80616004641AB	i5-670	3.46 GHz, FSB 133 MHz, L3 4 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev C2	F5	1.0
BX80616I5670 BXC80616I5670 CM80616004641AB	i5-670	3.46 GHz, FSB 133 MHz, L3 4 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev K0	F8	1.0
CM80616004641AB BX80616I5670 BXC80616I5670	i5-670	3.46 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping C2, 73 Watt	F5	1.0
BX80616I5670 BXC80616I5670 CM80616004641AB	i5-670	3.46 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping K0, 73 Watt	F8	1.0
BX80616I5680 BXC80616I5680 CM80616004806AA	i5-680	3.6 GHz, FSB 133 MHz, L3 4 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev K0	F8	1.0
CM80616004806AA BX80616I5680 BXC80616I5680	i5-680	3.6 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping K0, 73 Watt	F8C	1.0
CM80616004806AA BX80616I5680 BXC80616I5680	i5-680	3.6 GHz, L3 4MB, Clarkdale, 0.032 micron, Stepping K0, 73 Watt	F8	1.0
BV80605001911AP BX80605I5750 BXC80605I5750	i5-750	2.66 GHz, FSB 133 MHz, L3 8 MB, TDP 95 Watt, Lynnfield, 0.045 micron, Rev B1	F5	1.0
BV80605001911AP BX80605I5750 BXC80605I5750	i5-750	2.66 GHz, L3 8MB, Lynnfield, 0.045 micron, Stepping B1, 95 Watt	F5	1.0
BV80605003213AH BX80605I5750S	i5-750s	2.4 GHz, L3 8MB, Lynnfield, 0.045 micron, Stepping B1, 95 Watt	F5	1.0
BV80605003213AH BX80605I5750S	i5-750S	2.4 GHz, FSB 133 MHz, L3 8 MB, TDP 82 Watt, Lynnfield, 0.045 micron, Rev B1	F5	1.0
BV80605001908AN BX80605I5760 BXC80605I5760	i5-760	2.8 GHz, FSB 133 MHz, L3 8 MB, TDP 95 Watt, Lynnfield, 0.045 micron, Rev B1	F8	1.0
BV80605001908AN BX80605I5760 BXC80605I5760	i5-760	2.8 GHz, L3 8MB, Lynnfield, 0.045 micron, Stepping B1, 95 Watt	F8	1.0
Intel Core i7
BV80605001908AK BX80605I7860 BXC80605I7860	i7-860	2.8 GHz, FSB 133 MHz, L3 8 MB, TDP 95 Watt, Lynnfield, 0.045 micron, Rev B1	F5	1.0
BV80605001908AK BX80605I7860 BXC80605I7860	i7-860	2.8 GHz, L3 8MB, Lynnfield, 0.045 micron, Stepping B1, 95 Watt	F5	1.0
BV80605001908AK BX80605I7860 BXC80605I7860	i7-860	2.8 GHz, L3 8MB, Lynnfield, 0.045 micron, Stepping B1, 95 Watt	F3	1.0
BV80605003210AD BX80605I7860S	i7-860s	2.53 GHz, L3 8MB, Lynnfield, 0.045 micron, Stepping B1, 95 Watt	F5	1.0
BV80605003210AD BX80605I7860S	i7-860S	2.53 GHz, FSB 133 MHz, L3 8 MB, TDP 82 Watt, Lynnfield, 0.045 micron, Rev B1	F5	1.0
BV80605001905AI BX80605I7870 BXC80605I7870	i7-870	2.93 GHz, FSB 133 MHz, L3 8 MB, TDP 95 Watt, Lynnfield, 0.045 micron, Rev B1	F5	1.0
BV80605001905AI BX80605I7870 BXC80605I7870	i7-870	2.93 GHz, L3 8MB, Lynnfield, 0.045 micron, Stepping B1, 95 Watt	F5	1.0
BV80605004494AB BX80605I7870S	i7-870s	2.66 GHz, L3 8MB, Lynnfield, 0.045 micron, Stepping B1, 82 Watt	F8	1.0
BV80605004494AB BX80605I7870S	i7-870S	2.66 GHz, FSB 133 MHz, L3 8 MB, TDP 82 Watt, Lynnfield, 0.045 micron, Rev B1	F8	1.0
BV80605001905AM BX80605I7875K	i7-875K	2.93 GHz, FSB 133 MHz, L3 8 MB, TDP 95 Watt, Lynnfield, 0.045 micron, Rev B1	F8	1.0
BV80605001905AM BX80605I7875K	i7-875K	2.93 GHz, L3 8MB, Lynnfield, 0.045 micron, Stepping B1, 95 Watt	F8	1.0
BV80605002505AG BX80605I7880	i7-880	3.06 GHz, FSB 133 MHz, L3 8 MB, TDP 95 Watt, Lynnfield, 0.045 micron, Rev B1	F8	1.0
BV80605002505AG BX80605I7880	i7-880	3.06 GHz, L3 8MB, Lynnfield, 0.045 micron, Stepping B1, 95 Watt	F8	1.0
Intel Pentium Dual-Core
BX80616G6950 BXC80616G6950 CM80616004593AE	G6950	2.8 GHz, FSB 133 MHz, L3 3 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev C2	F5	1.0
BX80616G6950 BXC80616G6950 CM80616004593AE	G6950	2.8 GHz, FSB 133 MHz, L3 3 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev K0	F8	1.0
BX80616G6950 BXC80616G6950 CM80616004593AE	G6950	2.8 GHz, L3 3MB, Clarkdale, 0.032 micron, Stepping C2, 73 Watt	F5	1.0
BX80616G6950 BXC80616G6950 CM80616004593AE	G6950	2.8 GHz, L3 3MB, Clarkdale, 0.032 micron, Stepping K0, 73 Watt	F8	1.0
CM80616005373AA	G6960	2.93 GHz, FSB 133 MHz, L3 3 MB, TDP 73 Watt, Clarkdale, 0.032 micron, Rev K0	F8	1.0

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.