Product Description CL) Sony 1GB MS PRO memory From the Manufacturer Store more for less with the 1 Gigabyte1 MSX-1GS Memory Stick PRO media from Sony. With a huge available storage capacity of 940 Megabytes1, you can maximize your Memory Stick PRO media compatible device’s file capacity without breaking the bank. The MSX-1GS makes a perfect upgrade for your digital camera or camcorder with its expanded operating temperature range of -13 degrees F to 185 degrees Fahrenheit and backward compatibly with most devices that use standard Memory Stick PRO media2. When used with Memory Stick PRO optimized devices is supports minimum read and write speeds of 15 Megabits per second.