The Fujitsu S26361-F5312-L518 is an 8GB memory module for expanding compatible PC or server memory. It is supplied as one 8GB DDR3 module, with a 2Rx8 organization.
The module operates at 1600 MHz and uses a 240-pin DIMM form factor. ECC support provides error correction for memory data, a feature suited to systems designed to use ECC memory.
Its straightforward purpose is to add memory capacity to a compatible PC or server. The listed specifications identify this particular module and distinguish it from other capacities or DDR3 variants.