SK hynix Unbuffered Small Outline DDR3L SDRAM DIMMs (Unbuffered Small Outline Double Data Rate Synchronous DRAM Dual In-Line Memory Modules) are low power, high-speed operation memory modules that use DDR3L SDRAM devices. These Unbuffered DDR3L SDRAM SODIMMs are intended for use as main memory when installed in systems such as mobile personal computers.