What is the Xeon 4-core processor of SCv2000?

I apologize for I had a similar question but I posted it about NX3230 in PowerVault section and it was a mistake. It should not be NX3230 but SCv2000. What I should asked is about the processor of SCv2000.

I download a spec sheet about SCv2000 series and it said its processor is 4-core Xeon. Now I would like to know what is exactly the 4-core Xeon processor used in Dell SCv2000. Is this single or dual processor? Is this E5 or E7? Is this v2 or v3? If this is single CPU, is this non-turbo, single cpu Xeon E5-1607 v3, or Dell SC4020's low voltage, single cpu Xeon E3-1265L v2, 2.50GHz, 4 cores?

Thank you.

P.S.: The highlighted parts are my additions/editions.