ALL - 4 memory modules - 16Gb, as seen in the picture.
All systems that work with this memory:
Dell - PowerEdge 2970
Dell - PowerEdge 6950
Dell - PowerEdge M605
Dell - PowerEdge M805
Dell - PowerEdge M905
Dell - PowerEdge R300
Dell - PowerEdge R805
Dell - PowerEdge R905
Dell - PowerEdge SC1435
Dell - PowerEdge T300
Dell - PowerEdge T605
Technical information for one memory kit:
Memory Size: 8 GB
Memory Technology: DDR2 SDRAM
Number of Modules: 2 x 4 GB
Memory Speed: 667 MHz
Memory Standard: DDR2-667/PC2-5300
Error Checking: Parity
Signal Processing: Registered
Number of Pins: 240-pin