Nehalem EP

Product Collection	Processor Number	# of Cores	# of Threads	Base Frequency	Litho- graphy	Socket Supported	Spec Code	Step- ping	Ordering Code
Xeon E-Series	E5502	2	2	1.86 GHz	45 nm	LGA-1366	SLBEZ	D0	BX80602E5502
Xeon E-Series	E5502	2	2	1.86 GHz	45 nm	LGA-1366	SLBEZ	D0	AT80602000804AA
Xeon E-Series	E5503	2	2	2.00 GHz	45 nm	LGA-1366	SLBKD	D0	BX80602E5503
Xeon E-Series	E5503	2	2	2.00 GHz	45 nm	LGA-1366	SLBKD	D0	AT80602003636AA
Xeon E-Series	E5504	4	4	2.00 GHz	45 nm	LGA-1366	SLBF9	D0	AT80602000801AA
Xeon E-Series	E5504	4	4	2.00 GHz	45 nm	LGA-1366	SLBF9	D0	BX80602E5504
Xeon E-Series	E5506	4	4	2.13 GHz	45 nm	LGA-1366	SLBF8	D0	AT80602000798AA
Xeon E-Series	E5506	4	4	2.13 GHz	45 nm	LGA-1366	SLBF8	D0	BX80602E5506
Xeon E-Series	E5507	4	4	2.26 GHz	45 nm	LGA-1366	SLBKC	D0	AT80602000795AA
Xeon E-Series	E5507	4	4	2.26 GHz	45 nm	LGA-1366	SLBKC	D0	BX80602E5507
Xeon E-Series	E5520	4	8	2.26 GHz	45 nm	LGA-1366	SLBFD	D0	AT80602002091AA
Xeon E-Series	E5520	4	8	2.26 GHz	45 nm	LGA-1366	SLBFD	D0	BX80602E5520
Xeon E-Series	E5530	4	8	2.40 GHz	45 nm	LGA-1366	SLBF7	D0	BX80602E5530
Xeon E-Series	E5530	4	8	2.40 GHz	45 nm	LGA-1366	SLBF7	D0	AT80602000792AA
Xeon E-Series	E5540	4	8	2.53 GHz	45 nm	LGA-1366	SLBF6	D0	AT80602000789AA
Xeon E-Series	E5540	4	8	2.53 GHz	45 nm	LGA-1366	SLBF6	D0	BX80602E5540
Xeon L-Series	L5506	4	4	2.13 GHz	45 nm	LGA-1366	SLBFH	D0	AT80602002712AA
Xeon L-Series	L5506	4	4	2.13 GHz	45 nm	LGA-1366	SLBFH	D0	BX80602L5506
Xeon L-Series	L5508	2	4	2.00 GHz	45 nm	LGA-1366	SLBGK	D0	AT80602002697AC
Xeon L-Series	L5518	4	8	2.13 GHz	45 nm	LGA-1366	SLBFW	D0	AT80602002265AB
Xeon L-Series	L5520	4	8	2.26 GHz	45 nm	LGA-1366	SLBFA	D0	BX80602L5520
Xeon L-Series	L5520	4	8	2.26 GHz	45 nm	LGA-1366	SLBFA	D0	AT80602000810AA
Xeon L-Series	L5530	4	8	2.40 GHz	45 nm	LGA-1366	SLBGF	D0	BX80602L5530
Xeon L-Series	L5530	4	8	2.40 GHz	45 nm	LGA-1366	SLBGF	D0	AT80602002937AB
Xeon W-Series	W5580	4	8	3.20 GHz	45 nm	LGA-1366	SLBF2	D0	BX80602W5580
Xeon W-Series	W5580	4	8	3.20 GHz	45 nm	LGA-1366	SLBF2	D0	AT80602000756AD
Xeon W-Series	W5590	4	8	3.33 GHz	45 nm	LGA-1366	SLBGE	D0	BX80602W5590
Xeon W-Series	W5590	4	8	3.33 GHz	45 nm	LGA-1366	SLBGE	D0	AT80602000753AA
Xeon X-Series	X5550	4	8	2.66 GHz	45 nm	LGA-1366	SLBF5	D0	BX80602X5550
Xeon X-Series	X5550	4	8	2.66 GHz	45 nm	LGA-1366	SLBF5	D0	AT80602000771AA
Xeon X-Series	X5560	4	8	2.80 GHz	45 nm	LGA-1366	SLBF4	D0	BX80602X5560
Xeon X-Series	X5560	4	8	2.80 GHz	45 nm	LGA-1366	SLBF4	D0	AT80602000768AA
Xeon X-Series	X5570	4	8	2.93 GHz	45 nm	LGA-1366	SLBF3	D0	AT80602000765AA
Xeon X-Series	X5570	4	8	2.93 GHz	45 nm	LGA-1366	SLBF3	D0	BX80602X5570