Sun Blade X8440
||4 DIMM slots per processor, for a maximum total of 16 slots. DIMM's are configured in 2 DIMM pairs. Memory DIMM's must be installed in identical pairs (from the same manufacturer and in the same capacity) for 128-bit ECC and maximum performance.
1GB DIMMs minimum configuration of 8GB, maximum configuration of 16GB.
2GB DIMMs minimum configuration of 16GB, maximum configuration of 32GB.
4GB DIMMs minimum configuration of 32GB, maximum configuration of 64GB.