4GB PC3-12800S DynaBook Satellite Pro R850-10V R850-15F R850-19F Memory RAM

4GB PC3-12800S DynaBook Satellite Pro L870-14E L870-15H R850-10T Memory RAM

4GB PC3-12800S DynaBook Satellite Pro L770-112 L770-126 L770-12P Memory RAM

4GB PC3-12800S DynaBook Satellite Pro C850-10W C850-19W C850-1M3 Memory RAM

4GB PC3-12800S DynaBook Satellite Pro L50-A959 L50-B002 L770-109 Memory RAM

4GB PC3-12800S DynaBook Satellite Pro S850-004 C850 PSKC9A-01Q019 Memory RAM

4GB PC3-12800S DynaBook Satellite Pro L770-15T L830-104 L850-13F Memory RAM

4GB PC3-12800S DynaBook Satellite Pro B40-A109E C40-A-005 C50-A-137 Memory RAM