16GB kit (8GBx2), 240-pin DIMM, DDR2 PC2-5300 memory module
Crucial 16GB DDR2 PC2-5300 Dual Kit, 16 GB, DDR2, 667 MHz, 240-pin DIMM
Crucial 16GB DDR2 PC2-5300 Dual Kit. Internal memory: 16 GB, Internal memory type: DDR2, Memory clock speed: 667 MHz, Memory form factor: 240-pin DIMM, CAS latency: 5, ECC