Gigaram 8GB (2X4GB) Kit Apple Mac Pro Tower Memory Upgrades (MB194G/A) DDR2 PC2-6400 FBDIMM 8GB Kit (2 x 4GB) DDR2-800 (PC2-6400) CL6 1.8v 240 Pin ECC FBDIMM (Apple Approved) Kit contains two 4GB chips.For Apple Mac Pro (Early 2008) 8-core/Quad-Core 2.8GHz, 3.0GHz or 3.2GHz Intel Xeon (MA970LL/A, A1186) Equivalent OEM part numbers: MB194G/A, CT774462, KTA-MP800K2/8G Buy part number sku-MT-MB194G-A, a high quality OEM Memory upgrade option. Gigaram specializes in providing 100% compatible memory upgrades for all desktops, laptops, servers and printers.