IBM 4GB Upgrade Kit 2X2GB PC2-5300 667MHZ 46C7419

IBM ORIGINAL (NOT THIRD PARTY), BRAND NEW FACTORY SEALED & RETAIL BOXED WITH THE FULL ONE YEAR IBM WARRANTY!!! Size : 4 GB Module Size : 2 GB Number of Modules : 2 Memory Technology : DDR2 SDRAM Clock Rate : 667 MHz Pin Count : 240-pin Manufacturer Part Number : 46C7419 UPC : 883436034494 Compatible with IBM ServerProven : x3400 7973, x3400 7974, x3400 7975, x3400 7976, x3500 7977, x3550 7978, x3650 7979