32MB Flash Memory SODIMM and 128MB Main SDRAM DIMM Memory for Cisco Routers 851 857 871 876 877 878. This is a max memory combo kit. MemoryMasters Equivalent to Cisco Part Numbers MEM870-32F + MEM870-128D. Guaranteed compatible memory. LIFETIME WARRANTY. ALL PRODUCTS BRANDED AS MemoryMasters ARE TO BE SOLD SOLELY BY MemoryMasters. MemoryMasters DOES NOT AUTHORIZE THE USE OF IT'S BRANDED PRODUCTS TO OTHER SELLERS.