Apple Mac Pro - Internal Expansion Options

Mac Pro (Early 2008) Take Apart — Memory (DIMMs) and Memory Riser Cards 26
Replacement Note: Align the DIMM in the slot on the riser card and push both ends of the
DIMM down until the ejectors snap back up into place.
Warning: FB-DIMMs carry heatsinks on either side of the DIMM. Never attempt to remove the
heatsinks from the DIMMs. Doing so could damage the DIMM.