Part Number	Frequency	Features	BIOS	PCB	Notes
Intel Celeron
HH80557RG025512 BX80557420 BXC80557420	420	1.60GHz,800 FSB,L2 512KB,LGA775,revA1	0303	1.00G
HH80557RG033512 BX80557430 BXC80557430	430	1.80GHz,800 FSB,L2 512KB,LGA775,revA1	0303	1.00G
HH80557RG049512	450	2.2GHz,800 FSB,L2 512KB,LGA775,revA1	0303	1.00G
Intel Celeron Dual Core
HH80557PG025D BX80557E1200 BXC80557E1200F	E1200	revM0,1.6GHz,800 FSB,L2:512K	0303	1.00G
HH80557PG041D BX80557E1400 BXC80557E1400	E1400	revM0,2.0GHz, 800 FSB, L2: 512K	0303	1.00G
HH80557PG049D BX80557E1500 BXC80557E1500	E1500	revM0,2.2GHz,800 FSB,L2: 512K	0303	1.00G
AT80571RG0561ML BX80571E3200 BXC80571E3200	E3200	revR0,2.4GHz,800 FSB,L2: 1M	0408	1.01G
AT80571RG0601ML BX80571E3300 BXC80571E3300	E3300	revR0,2.5GHz,800 FSB,L2: 1M	0408	1.01G
Intel Core 2 Duo
HH80557PG0332M BX80557E4300	E4300	1.8GHz,800FSB,L2:2MB,65W,rev.L2	0303	1.00G
HH80557PG0412M BX80557E4400	E4400	2.0GHz,800FSB,L2:2MB,65W,rev.L2	0303	1.00G
HH80557PG0412M BX80557E4400	E4400	2.0GHz,800FSB,L2:2MB,65W,rev.M0	0303	1.00G
HH80557PG0492M BX80557E4500	E4500	2.2GHz,800FSB,L2:2MB,65W,rev.M0	0303	1.00G
HH80557PG0562M BX80557E4600	E4600	2.4GHz,800FSB,L2:2MB,65W,rev.M0	0303	1.00G
HH80557PG0642M BX80557E4700	E4700	2.6GHz,800FSB,L2:2MB,revG0	0303	1.00G
HH80557PH0362M BX80557E6300	E6300	1.86GHz,1066FSB,L2:2MB,rev.L2	0303	1.00G
HH80557PH0364M BX80557E6320	E6320	1.86GHz,1066FSB,B2:4MB,rev.B2	0303	1.00G
HH80557PH0462M BX80557E6400	E6400	2.13GHz,1066FSB,L2:2MB,rev.B2	0303	1.00G
HH80557PH0462M BX80557E6400	E6400	2.13GHz,1066FSB,L2:2MB,rev.L2	0303	1.00G
HH80557PJ0534M	E6540	2.33GHz,1333FSB,L2:4MB,rev.G0	0303	1.00G
HH80557PJ0534MG BX80557E6550 BX80557E6550R	E6550	2.33GHz,1333FSB,L2:4MB,rev.G0	0303	1.00G
HH80557PJ0674MG BX80557E6750	E6750	2.66GHz,1333FSB,L2:4MB,rev.G0	0303	1.00G
HH80557PJ0804MG BX80557E6850	E6850	3.00GHz,1333FSB,L2:4MB,rev.G0	0303	1.00G
EU80571PH0613M BX80571E7200 BXC80571E7200	E7200	2.53GHz,1066FSB,L2:3MB,rev.M0	0303	1.00G
EU80571PH0673M BX80571E7300 BXC80571E7300	E7300	2.66GHz,1066FSB,L2:3MB,rev.M0	0303	1.00G
AT80571PH0723M BX80571E7400 BXC80571E7400	E7400	2.80GHz,1066FSB,L2:3MB,rev.R0	0408	1.01G
AT80571PH0773M BX80571E7500 BXC80571E7500	E7500	2.93GHz,1066FSB,L2:3MB,rev.R0	0303	1.00G
AT80571PH0833ML BX80571E7600 BXC80571E7600	E7600	3.06GHz,1066FSB,L2:3MB,rev.R0	0315	1.01G
EU80570PJ0676MN BX80570E8190	E8190	2.66GHz,1333FSB,L2:6MB,rev.C0	0303	1.00G
EU80570PJ0676M BX80570E8200 BXC80570E8200 BX80570E8200A	E8200	2.66GHz,1333FSB,L2:6MB,rev.C0	0303	1.00G
EU80570AJ0736M BX80570E8300	E8300	2.83GHz,1333FSB,L2:6MB,rev.C0	0303	1.00G
EU80570PJ0806M BX80570E8400 BXC80570E8400 BX80570E8400A	E8400	3.00GHz,1333FSB,L2:6MB,65W,rev.E0	0303	1.00G
EU80570PJ0806M BX80570E8400 BXC80570E8400 BX80570E8400A	E8400	3.00GHz,1333FSB,L2:6MB,rev.C0	0303	1.00G
EU80570PJ0876M BX80570E8500 BXC80570E8500 BX80570E8500A	E8500	3.16GHz,1333FSB,L2:6MB,65W,rev.E0	0303	1.00G
EU80570PJ0876M BX80570E8500 BXC80570E8500 BX80570E8500A	E8500	3.16GHz,1333FSB,L2:6MB,rev.C0	0303	1.00G
AT80570PJ0936M BX80570E8600 BXC80570E8600	E8600	3.33GHz,1333FSB,L2:6MB,65W,rev.E0	0303	1.00G
Intel Core 2 Extreme
HH80562PH0778M BX80562QX6800 BX80562PH0778M	QX6800	rev.G0,2.93GHz,1066FSB,L2:2X4MB,4 cores	0303	1.00G
HH80562XJ0808M BX80562QX6850	QX6850	revG0,3.00GHz,1333FSB,L2:2X4MB	0303	1.00G
EU80569XJ080NL BX80569QX9650	QX9650	rev.C1,3.00GHz,1333FSB,L2:2X6MB,4 cores	0303	1.00G
EU80569XJ080NL BX80569QX9650	QX9650	revC0,3.00GHz,1333FSB,L2:2X6MB	0303	1.00G
EU80569XL088NL BX80569QX9770	QX9770	revC1,3.2GHz,1600FSB,L2:2X6MB	0303	1.00G
Intel Core 2 Quad
HH80562PH0568M BX80562Q6600	Q6600	2.40GHz,1066FSB,L2:2X4MB,rev.B3,4 cores	0303	1.00G
HH80562PH0568M BX80562Q6600	Q6600	2.40GHz,1066FSB,L2:2X4MB,rev.G0,4 cores	0303	1.00G
HH80562PH0678MK BX80562Q6700	Q6700	2.66GHz,1066FSB,L2:2X4MB,rev.G0,4 cores	0303	1.00G
EU80580PJ0534MN AT80580PJ0534MN BX80580Q8200	Q8200	rev.M1,2.33GHz,1333FSB,L2:4MB,4 cores	0303	1.00G
EU80580PJ0534MN AT80580PJ0534MN BX80580Q8200	Q8200	rev.R0,2.33GHz,1333FSB,L2:4MB,4 cores	0315	1.01G
AT80580AJ0534MN BX80580Q8200S	Q8200S	rev.R0,2.33GHz,1333FSB,L2:4MB,4 cores	0315	Any
AT80580PJ0604MN BX80580Q8300 BXC80580Q8300	Q8300	rev.R0,2.50GHz,1333FSB,L2:4MB,4 cores	0303	1.00G
AT80580PJ0674ML BX80580Q8400 BXC80580Q8400	Q8400	rev.R0,2.66GHz,1333FSB,L2:4MB,4 cores	0315	1.01G
AT80580AJ0674ML	Q8400S	rev.R0,2.66GHz,1333FSB,L2:4MB,4 cores	0315	1.01G
EU80580PJ0606M BX80580Q9300	Q9300	2.5GHz,1333FSB,L2:6MB,rev.M0,4 cores	0303	1.00G
EU80580PJ0606M BX80580Q9300	Q9300	2.5GHz,1333FSB,L2:6MB,rev.M1,4 cores	0303	1.00G
AT80580PJ0676M BX80580Q9400 BXC80580Q9400	Q9400	rev.R0,2.66GHz,1333FSB,L2:6MB	0303	1.00G
AT80580AJ0676M BX80580Q9400S	Q9400S	rev.R0,2.66GHz,1333FSB,L2:6MB	0315	Any
EU80569PJ067N BX80569Q9450	Q9450	2.66GHz,1333FSB,L2:12MB,rev.C1	0303	1.00G
AT80580PJ0736MG BX80580Q9505 BXC80580Q9505	Q9505	rev.R0,2.83GHz,1333FSB,L2:6MB	0408	1.01G
EU80569PJ073N BX80569Q9550	Q9550	2.83GHz,1333FSB,L2:12MB,rev.C1	0303	1.00G
EU80569PJ073N BX80569Q9550	Q9550	rev.C0,2.83GHz,1333FSB,L2:12MB	0303	1.00G
EU80569PJ073N BX80569Q9550	Q9550	rev.E0,2.83GHz,1333FSB,L2:12MB	0303	1.00G
AT80569AJ073N BX80569Q9550S	Q9550S	rev.E0,2.83GHz,1333FSB,L2:12MB	0315	Any
AT80569PJ080N BX80569Q9650 BXC80569Q9650	Q9650	rev.E0,3.00GHz,1333FSB,L2:12MB	0303	1.00G
Intel Pentium 4
HH80552PG0962M BX80552651	651	65nm,3.4GHz, 800 FSB, L2:2MB, revB1	0303	1.00G
HH80547PG1042MP HH80547PG1042MH	662	3.6 GHz, 800 FSB, L2:2MB, EM64T, HT, revR0	0303	1.00G
JM80547PG1122MM HH80547PG1122MM BX80547PG3800F BX80547PG3600FT	670	3.8 GHz, 800 FSB, L2:2MB,N0	0303	1.00G
Intel Pentium D
HH80551PG0802MN BX80551PG3000FN BX80551PG3000FT	830	3.0 GHz, 800 FSB, revA0	0303	1.00G
HH80551PG0802MN BX80551PG3000FN BX80551PG3000FT	830	3.0 GHz, 800 FSB, revB0	0303	1.00G
HH80551PG0882MN BX80551PG3200FN BX80551PG3200FT	840	3.2 GHz, 800 FSB, revA0	0303	1.00G
HH80553PG1044M BX80553960	960	3.6GHz, 800 FSB, L2 4MB, revC1	0303	1.00G
HH80553PG1044M BX80553960	960	3.6GHz, 800 FSB, L2 4MB, revD0	0303	1.00G
Intel Pentium Dual Core
HH80557PG0251M BX80557E2140 BXC80557E2140	E2140	1.6GHz, 800FSB, L2 1MB,L2	0303	1.00G
HH80557PG0251M BX80557E2140 BXC80557E2140	E2140	1.6GHz,800FSB,L2 1MB,M0	0303	1.00G
HH80557PG0331M BX80557E2160 BXC80557E2160	E2160	1.8GHz, 800FSB, L2 1MB,L2	0303	1.00G
HH80557PG0331M BX80557E2160 BXC80557E2160	E2160	1.8GHz,800FSB,L2 1MB,M0	0303	1.00G
HH80557PG0411M BX80557E2180 BXC80557E2180	E2180	2.0GHz,800FSB,L2 1MB,M0	0303	1.00G
HH80557PG0491M BX80557E2200 BXC80557E2200	E2200	2.2GHz,800FSB,L2 1MB,M0	0303	1.00G
EU80571PG0602M BX80571E5200 BXC80571E5200	E5200	2.50GHz,800FSB,L2:2MB,rev.M0	0303	1.00G
EU80571PG0602M AT80571PG0602M BX80571E5200	E5200	2.50GHz,800FSB,L2:2MB,rev.R0	0403	1.01G
AT80571PH0722ML BX80571E6300	E6300	2.8GHz,1066FSB,L2:2MB,rev.R0	0315	1.01G
AT80571PH0772ML BX80571E6500	E6500	2.93GHz,1066FSB,L2:2MB,rev.R0	0408	1.01G
AT80571XH0772ML BXC80571E6500K	E6500K	2.93GHz,1066FSB,L2:2MB,rev.R0	0406	1.01G

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.