there are two systems
on e3-1225v2 and 2xE5-2648L
on both win 7 x64
On system 2xE5-2648L RAM disk speed 3gb\s 4ch RAM pc-8500
On system e3-1225v2 RAM disk speed 8gb\s 2ch pc12800 RAM
(asus RAM disk software )
board S2600GL
cpu 2xE5-2648L
RAM 32gb pc-8500 reg 8pcs, 4 on cpu.
It was also tested on the desktop version of the memory. pc12800
the results were + 10%
on page
Спецификации продукции Intel® Server Board S2600GL
- Max # of Memory Channels8
- Max Memory Bandwidth119.4 GB/s ( for example: 2xE5-2637V2 -> 2x 59,7 GB/s )
Where are the declared speeds?
in
Intel® Xeon® Processor E5-2648L (20M, 1.80 GHz, 8.0 GT/s Intel® QPI) Product Specifications
There is no string with RAM speed rate
but...
it may be that it is less than that of the processor e3-1225v2 (25gb\s)
I think the speed should be at least equal, but as a maximum of two higher (8ch for this board)
+
on page
http://www.cpu-world.com/CPUs/Xeon/Intel-Xeon%20E5-2648L.html
(GB/s): 51.2