We are professional manufacturer of connectors, such as SATA,SAS,ESATA,DDR,PCI,HDMI,DISPLAYPORT,DVI，USB3.O, ,POWER,MOLD We offer DDR3-240 Pins 25D Connector Material Body: Nylon46+30%G.F UL 94V-0 rated. Color: black Ejector: Nylon66 Glass filled UL 94V-2 rated. Color: white; Latch: Nylon46+30%G.F Glass filled UL 94V-0 rated. Color: black Contacts: brass, Contact plating: Gold plating over nickel on contact area, tin plating on Solder tail. Harpoon: Phosphor bronze Harpoon plating: Nickel plating Mechanical Insertion Force-Terminal: 350 Grams min. per, Insertion Force: 40~120 Grams/contact pair Unmating Force: 20 Grams (min) contact pair Electrical specification Contact Resistance: 30 Milliohms max, Insulation Resistance: 1000 Megohms min, Withstand Voltage: 500 VAC Environmental Operating Temperature: -55℃ to +105℃ Please feel free to contact us.