The N40L comes with 1 × 2GB ECC RAM installed.

• It will accept up to 16GB (2 × 8GB) 240-Pin DDR3 SDRAM 1333 (PC3 10600) RAM
• Does not support registered (buffered) modules. Using registered modules will result in the server failing to POST/boot. * Capable of utilizing dual channel RAM, which results in marginally increased memory speeds when two matched DIMMs are installed.