This is non-ECC memory, Best for home, small office, and desktop computers.
Includes: 2 - 1 GB, PC3200 DDR-400 Elixir DIMM Matching Pair Memory (M2U1G64DS8HB1G-5T)
This is a matching pair for Dual Channel Speed for Maximum Performance.
The memory was pulled from functioning workstations. The memory is guaranteed to work.