HYNIX HMT42GR7BMR4A-G7 Part No. HMT42GR7BMR4A-G7 Please ensure that your original part number matches this exactly, or check with the manufactuer for compatiblity. Customers are responsible for compatiblity. This part is guaranteed to be fully functional, original and authentic. Part No. HMT42GR7BMR4A-G7