Corsair CM2X1024-5400C4 V5.2 2GB 2 x 1GB PC2-5400U DDR2 675 Desktop Memory Kit Brand: Corsair XMS2 Model: CM2X1024-5400C4 Capacity: 2GB 2 x 1GB Speed: DDR2 675 (PC2 5400) Recommend Use: High Performance or Gaming Memory