Transcend's 1 GB DDR2 800 Non-ECC Unbuffered SO-DIMMs have a huge capacity, and were specially designed and engineered for extreme performance. Transcend's 1GB DDR2 800 Non-ECC Unbuffered SO-DIMM memory modules are engineered using 16 pcs of 64Mx8 original brand name DDR2 FBGA chips. The eight-layer PCBs used in Transcend's modules minimize noise signal disturbance. In addition, DDR2 memory chips incorporate On-Die Termination (ODT) to minimize signal reflections at higher speeds, thereby improving timing margins, which increase operating speeds.