Crucial Technology 24GB kit (8GBx3) 240-pin DIMM 
Quantity in Basket: None
Code: DHCT3102472BB1339
Price: $217.97
Shipping Weight: 0.40 pounds
"24GB kit (8GBx3), 240-pin DIMM, DDR3 PC3-10600 memory module ... CL=9, Dual Ranked, Registered, ECC, DDR3-1333, 1.5V, 1024Meg x 72."