A-RAM VALUE series - high-performance memory was designed for advanced users wanting to maximize the performance of their systems.  The DDR3-1333 2GB LONG-DIMM's x configuration is by 128M x 8. DDR3 SDRAMs in FBGA (Fine-pitch BGA) packages on a 240-pin printed circuit board. This DDR3 LONG-DIMM is designed to meet the 1333MHz data-rate specification of the JEDEC (Joint Electron Device Engineering Council) standard. With 1.5V low-voltage application, DDR3 modules can consumpt  30% less power comparing  with 1.8V (DDR2). So it is completely an environment-friendly product.  Compare with DDR2, DDR3 modules are with higher data bandwidths and enhanced thermal performance. The special feature called On-Die Termination (ODT) is to minimize memory signal reflections at high speeds, thereby improving timing margins. Range of operation frequencies, programmable latencies allow the same device to be useful for a variety of high bandwidth, high performance memory system applications.