Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
HH80557RG025512 BX80557420 BXC80557420	420	1.60 GHz, 800 MHz FSB, 512 KB cache, Conroe-L	Any
HH80557RG033512 BX80557430 BXC80557430	430	1.80 GHz, 800 MHz FSB, 512 KB cache, Conroe-L	Any
HH80557RG041512 BX80557440 BXC80557440	440	2.00 GHz, 800 MHz FSB, 512 KB cache, Conroe-L	Any
	460	2.40 GHz, 800 MHz FSB, 512 KB cache, Conroe-L	Any
Intel Celeron Dual Core
HH80557PG025D BX80557E1200 BXC80557E1200F	E1200	1.6 GHz, 800 MHz FSB, 512 KB cache, Conroe	Any
HH80557PG041D BX80557E1400 BXC80557E1400	E1400	2.0 GHz, 800 MHz FSB, 512 KB cache, Conroe	Any
Intel Core 2 Duo
HH80557PG0332M BX80557E4300	E4300	1.80 GHz, 800 MHz FSB, 2 MB cache, Conroe, Stepping L2	Any
	E4400	2.0 GHz, 800 MHz FSB, 2 MB cache, Conroe, Stepping M0	P1.30
HH80557PG0412M BX80557E4400	E4400	2.00 GHz, 800 MHz FSB, 2 MB cache, Conroe, Stepping L2	Any
HH80557PG0492M BX80557E4500	E4500	2.20 GHz, 800 MHz FSB, 2 MB cache, Conroe, Stepping M0	Any
HH80557PG0562M BX80557E4600	E4600	2.4 GHz, 800 MHz FSB, 2 MB cache, Conroe	Any
	E4600	2.4 GHz, 800 MHz FSB, 2 MB cache, Conroe, Stepping M0	P1.30
HH80557PG0642M BX80557E4700	E4700	2.6 GHz, 800 MHz FSB, 2 MB cache, Conroe	Any
HH80557PH0362M BX80557E6300	E6300	1.86 GHz, 1066 MHz FSB, 2 MB cache, Conroe	Any
HH80557PH0362M BX80557E6300	E6300	1.86 GHz, 1066 MHz FSB, 2 MB cache, Conroe, Stepping L2	Any
HH80557PH0364M BX80557E6320	E6320	1.86 GHz, 1066 MHz FSB, 4 MB cache, Conroe	Any
HH80557PH0462M BX80557E6400	E6400	2.13 GHz, 1066 MHz FSB, 2 MB cache, Conroe	Any
HH80557PH0462M BX80557E6400	E6400	2.13 GHz, 1066 MHz FSB, 2 MB cache, Conroe, Stepping L2	Any
HH80557PH0464M BX80557E6420	E6420	2.13 GHz, 1066 MHz FSB, 4 MB cache, Conroe	Any
HH80557PJ0534M	E6540	2.33 GHz, 1333 MHz FSB, 4 MB cache, Conroe, Stepping G0	Any
HH80557PJ0534MG BX80557E6550 BX80557E6550R	E6550	2.33 GHz, 1333 MHz FSB, 4 MB cache, Conroe	Any
HH80557PH0564M BX80557E6600	E6600	2.40 GHz, 1066 MHz FSB, 4 MB cache, Conroe	Any
HH80557PH0674M BX80557E6700	E6700	2.66 GHz, 1066 MHz FSB, 4 MB cache, Conroe	Any
HH80557PJ0674MG BX80557E6750	E6750	2.66 GHz, 1333 MHz FSB, 4 MB cache, Conroe	Any
HH80557PJ0674MG BX80557E6750	E6750	2.66 GHz, 1333 MHz FSB, 4 MB cache, Conroe, Stepping G0	Any
HH80557PJ0804MG BX80557E6850	E6850	3.00 GHz, 1333 MHz FSB, 4 MB cache, Conroe	Any
HH80557PJ0804MG BX80557E6850	E6850	3.00 GHz, 1333 MHz FSB, 4 MB cache, Conroe, Stepping G0	Any
EU80571PH0613M BX80571E7200 BXC80571E7200	E7200	2.53 GHz, 1066 MHz FSB, 3 MB cache, Wolfdale, Stepping M0	P1.20
	E8190	2.66 GHz, 1333 MHz FSB, 6 MB cache, Wolfdale, Stepping C0	Any
EU80570PJ0676M BX80570E8200 BXC80570E8200 BX80570E8200A	E8200	2.66 GHz, 1333 MHz FSB, 6 MB cache, Wolfdale, Stepping C0	Any
EU80570AJ0736M BX80570E8300	E8300	2.83 GHz, 1333 MHz FSB, 6 MB cache, Wolfdale, Stepping C0	Any
EU80570PJ0806M BX80570E8400 BXC80570E8400 BX80570E8400A	E8400	3.0 GHz, 1333 MHz FSB, 6 MB cache, Wolfdale, Stepping C0	Any
EU80570PJ0876M BX80570E8500 BXC80570E8500 BX80570E8500A	E8500	3.16 GHz, 1333 MHz FSB, 6 MB cache, Wolfdale, Stepping C0	Any
Intel Core 2 Extreme
HH80562PH0678M BX80562QX6700	QX6700	2.66 GHz, 1066 MHz FSB, 8 MB cache, Kentsfield, Stepping B3	Any
HH80562PH0778M BX80562QX6800 BX80562PH0778M	QX6800	2.93 GHz, 1066 MHz FSB, 8 MB cache, Kentsfield, Stepping G0	Any
HH80562XJ0808M BX80562QX6850	QX6850	3.00 GHz, 1333 MHz FSB, 8 MB cache, Kentsfield, Stepping G0	Any
EU80569XJ080NL BX80569QX9650	QX9650	3.0 GHz, 1333 MHz FSB, 12 MB cache, Yorkfield, Stepping C0	Any
	QX9650	3.0 GHz, 1333 MHz FSB, 12 MB cache, Yorkfield, Stepping C1	P1.30
EU80569XL088NL BX80569QX9770	QX9770	3.2 GHz, 1600 MHz FSB, 12 MB cache, Yorkfield	Any
HH80557PH0774M BX80557X6800	X6800	2.93 GHz, 1066 MHz FSB, 4 MB cache, Conroe XE	Any
Intel Core 2 Quad
HH80562PH0568M BX80562Q6600	Q6600	2.4 GHz, 1066 MHz FSB, 8 MB cache, Kentsfield, Stepping G0	Any
HH80562PH0568M BX80562Q6600	Q6600	2.40 GHz, 1066 MHz FSB, 8 MB cache, Kentsfield, Stepping B3	Any
HH80562PH0678MK BX80562Q6700	Q6700	2.66 GHz, 1066 MHz FSB, 8 MB cache, Kentsfield, Stepping G0	Any
EU80580PJ0606M BX80580Q9300	Q9300	2.5 GHz, 1333 MHz FSB, 6 MB cache, Yorkfield, Stepping M0	Any
EU80580PJ0606M BX80580Q9300	Q9300	2.50 GHz, 1333 MHz FSB, 6 MB cache, Yorkfield, Stepping M1	P1.30
EU80569PJ067N BX80569Q9450	Q9450	2.66 GHz, 1333 MHz FSB, 12 MB cache, Yorkfield, Stepping C0	Any
EU80569PJ067N BX80569Q9450	Q9450	2.66 GHz, 1333 MHz FSB, 12 MB cache, Yorkfield, Stepping C1	P1.30
EU80569PJ073N BX80569Q9550	Q9550	2.83 GHz, 1333 MHz FSB, 12 MB cache, Yorkfield, Stepping C0	Any
EU80569PJ073N BX80569Q9550	Q9550	2.83 GHz, 1333 MHz FSB, 12 MB cache, Yorkfield, Stepping C1	P1.30
Intel Pentium 4
JM80547PG0721M HH80547PG0721M BX80547PG2800E	520	2.80 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0721M HH80547PG0721M BX80547PG2800E	520J	2.80 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0721MM HH80547PG0721MM BX80547PG2800EK	521	2.80 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0801M HH80547PG0801M BX80547PG3000E	530	3.00 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0801M HH80547PG0801M BX80547PG3000E	530J	3.00 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0801MM HH80547PG0801MM BX80547PG3000EK	531	3.00 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0881M HH80547PG0881M BX80547PG3200E	540	3.20 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0881M HH80547PG0881M BX80547PG3200E	540J	3.20 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0881MM HH80547PG0881MM BX80547PG3200EK	541	3.20 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0961M BX80547PG3400E	550	3.40 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0961M BX80547PG3400E	550J	3.40 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0961MM HH80547PG0961MM BX80547PG3400EK	551	3.40 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0961MM HH80547PG0961MM BX80547PG3400EK	551	3.40 GHz, 800 MHz FSB, 1 MB cache, Prescott, Stepping G1	Any
JM80547PG1041M BX80547PG3600E	560	3.60 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG1041M BX80547PG3600E	560J	3.60 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG1041MM BX80547PG3600EK	561	3.60 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG1121M BX80547PG3800E	570J	3.80 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG1121MM BX80547PG3800EK	571	3.80 GHz, 800 MHz FSB, 1 MB cache, Prescott	Any
JM80547PG0802MM HH80547PG0802MM BX80547PG3000F	630	3.00 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
HH80552PG0802M BX80552631	631	3.00 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill	Any
HH80552PG0802M BX80552631	631	3.00 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping D0	Any
JM80547PG0882MM HH80547PG0882MM BX80547PG3200F	640	3.20 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
HH80552PG0882M BX80552641	641	3.20 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill	Any
HH80552PG0882M BX80552641	641	3.20 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping D0	Any
JM80547PG0962MM HH80547PG0962MM BX80547PG3400F	650	3.40 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
HH80552PG0962M BX80552651	651	3.40 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill	Any
HH80552PG0962M BX80552651	651	3.40 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping C1	Any
HH80552PG0962M BX80552651	651	3.40 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping D0	Any
JM80547PG1042MM HH80547PG1042MM BX80547PG3600F	660	3.60 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
HH80552PG1044M BX80552661	661	3.60 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill	Any
HH80552PG1042M BX80552661	661	3.60 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping C1	Any
HH80552PG1044M BX80552661	661	3.60 GHz, 800 MHz FSB, 2 MB cache, Cedar Mill, Stepping D0	Any
HH80547PG1042MP HH80547PG1042MH	662	3.60 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
JM80547PG1122MM HH80547PG1122MM BX80547PG3800F	670	3.80 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
HH80547PG1122MH	672	3.80 GHz, 800 MHz FSB, 2 MB cache, Prescott	Any
JM80547PH1092MM BX80547PH3730F	EE	3.73 GHz, 1066 MHz FSB, 2 MB cache, Prescott	Any
Intel Pentium D
HH80551PG0722MN BX80551PG2800FN BX80551PG2800FT	820	2.80 GHz, 800 MHz FSB, 2 MB cache, Smithfield	Any
HH80551PG0802MN BX80551PG3000FN BX80551PG3000FT	830	3.00 GHz, 800 MHz FSB, 2 MB cache, Smithfield	Any
HH80551PG0802MN BX80551PG3000FN BX80551PG3000FT	830	3.00 GHz, 800 MHz FSB, 2 MB cache, Smithfield, Stepping B0	Any
HH80551PG0882MN BX80551PG3200FN BX80551PG3200FT	840	3.20 GHz, 800 MHz FSB, 2 MB cache, Smithfield	Any
HH80553PG0724MN BX80553915 BX80553915R	915	2.80 GHz, 800 MHz FSB, 4 MB cache, Presler	Any
HH80553PG0724M BX80553920 BX80553920T	920	2.80 GHz, 800 MHz FSB, 4 MB cache, Presler	Any
HH80553PG0804MN BX80553925	925	3.00 GHz, 800 MHz FSB, 4 MB cache, Presler	Any
HH80553PG0804M BX80553930 BX80553930T	930	3.00 GHz, 800 MHz FSB, 4 MB cache, Presler	Any
HH80553PG0804M BX80553930 BX80553930T	930	3.00 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping C1	Any
HH80553PG0884MN BX80553935	935	3.20 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping D0	Any
HH80553PG0884M BX80553940 BX80553940T	940	3.20 GHz, 800 MHz FSB, 4 MB cache, Presler	Any
HH80553PG0884M BX80553940 BX80553940T	940	3.20 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping C1	Any
HH80553PG0964MN BX80553945 BX80553945R	945	3.40 GHz, 800 MHz FSB, 4 MB cache, Presler	Any
HH80553PG0964MN BX80553945 BX80553945R	945	3.40 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping D0	Any
HH80553PG0964M BX80553950 BX80553950T	950	3.40 GHz, 800 MHz FSB, 4 MB cache, Presler	Any
HH80553PG0964M BX80553950 BX80553950T	950	3.40 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping C1	Any
HH80553PG1044M BX80553960	960	3.60 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping C1	Any
HH80553PG1044M BX80553960	960	3.60 GHz, 800 MHz FSB, 4 MB cache, Presler, Stepping D0	Any
Intel Pentium Dual Core
HH80557PG0251M BX80557E2140 BXC80557E2140	E2140	1.60 GHz, 800 MHz FSB, 1 MB cache, Conroe 1M	Any
HH80557PG0331M BX80557E2160 BXC80557E2160	E2160	1.80 GHz, 800 MHz FSB, 1 MB cache, Conroe 1M	Any
HH80557PG0411M BX80557E2180	E2180	2.0 GHz, 800 MHz FSB, 1 MB cache, Conroe 1M, Stepping M0	Any
HH80557PG0491M BX80557E2200	E2200	2.20 GHz, 800 MHz FSB, 1 MB cache, Conroe 1M, Stepping M0	Any
HH80557PG0561M BX80557E2220	E2220	2.40 GHz, 800 MHz FSB, 1 MB cache, Conroe 1M, Stepping M0	Any
Intel Pentium Extreme Edition
HH80551PG0882MM BX80551PG3200F	840EE	3.20 GHz, 800 MHz FSB, 2 MB cache, Smithfield	Any
HH80551PG0882MM BX80551PG3200F	840EE	3.20 GHz, 800 MHz FSB, 2 MB cache, Smithfield, Stepping B0	Any
HH80553PH0994M BX80553955	955	3.46 GHz, 1066 MHz FSB, 4 MB cache, Presler	Any
HH80553PH1094M BX80553965	965	3.73 GHz, 1066 MHz FSB, 4 MB cache, Presler	Any

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.