This is a Micron 8GB 2Rx4 PC2-5300F-555-12-E0 RAM DIMM for Mac Pro and Server. I have 5 of them for sale. $40 each for $150 for 5pcs. Please see other items for sale.
Specs
Manufacturer Micron
Manufacturer Part # MT36HTF51272FZ-667H1D6
Memory Type Fully Buffered Dimm
Capacity 4GB
Pins 240 Pin
Bus Type PC-5300
Error Correction Fully Buffered ECC
Cycle Time 6ns
Cas CL5
Data Transfer Rate 667Mhz
Memory Clock 166Mhz
Rank Rank 2
Voltage 1.8
