Address width	64 bits
Application	High-end/mission critical serversHigh performance computingHigh-end workstations
Common manufacturer	Intel
Core names	MercedMcKinleyMadison 3M/6M/9MDeerfield (Madison LV)Hondo[b]Fanwood (Madison DP)MontecitoMontvaleTukwilaPoulsonKittson
Cores	4 or 8
Data width	64 bits
Designed by	HP and Intel
Discontinued	30 January 2020
Extensions	EIST, VT-x, VT-d, VT-i
FSB speeds	400 to 667 MT/s
Instruction set	IA-64
L1 cache	Up to 32 KB per core (data) Up to 32 KB per core (instructions)
L2 cache	256 KB (D) + 512 KB (I)
L3 cache	20–32 MB
L4 cache	32 MB (Hondo only)
Launched	8 November 2012
Marketed by	Intel
Max. CPU clock rate	1.73 to 2.67 GHz
Memory (RAM)	Up to 1.5 TBUp to DDR3 with ECC support
Microarchitecture	P7
Models	ItaniumItanium 2Itanium 9000 seriesItanium 9100 seriesItanium 9300 seriesItanium 9500 seriesItanium 9700 series
Packages	Pin Array Cartridge (PAC)Flip-chip land grid array (FC-LGA)
Product code	Poulson, Kittson
QPI speeds	4.8 GT/s to 6.4 GT/s
Socket	FC-LGA6 (LGA1248)
Sockets	PAC 418PAC 611LGA 1248
Technology node	32 nm
Virtual address width	64 bits

Itanium

Key specifications