Product Numbers: 41Y2729
Product description: IBM 2GB (2x1GB) IBM Original DDR2-667 ECC UDIMM Memory Kit
Compatible with 41Y2729, 41Y2728, KTM2726K2/2G.
Specifications: Size - 1GB (2pcs.) Pins - 240 pins ECC - yes Registered - no Form Factor - DIMM
This module can be run in Dual Channel mode.