Komputerbay 32GB (8x 4GB) DDR2 PC2-6400F 800MHz ECC Fully Buffered FB-DIMM (240 PIN) 32 GB w/Heatspreaders ECC Fully Buffered (an FBDIMM will not fit into a standard DDR2 socket, and a DDR2 module will not fit into an FBDIMM socket) Capacity: 32GB Speed: PC2-6400F 800MHz 240-Pin DIMM Lifetime Warranty