-94-6-2. Upgrade and Power Supply SpecificationsUpgrade referenceCPU Intel Celeron Mobile 1.5GHzMemory DDR2 SODIMM 1GB (up to 2GB)HDD SATA 2.5inch (max 2, Default 160GB)Power supply specificationPower Type ATXOperating 0 ~ 60°C (32 ~ 140°F)Temperature Operating Humidity 0% ~ 90% relative humidity, non-condensingSize (L x W) 6.69" x 6.69" (170 mm x 170 mm)Weight 0.88 lbs (0.4 Kg)