Here the comparison of CX3 series the processor use are dual core .
Note the speed of CX4 processor is less but are quad core , the number of transaction they can perform are more than double compare with the dual core .

CX3-80
CX3-40f
CX3-40
CX3-40c
CX3-20f
CX3-20
CX3-20c
CX3-10c

Disks
480
240
240
240
120
120
120
60

Enclosures
32
16
16
16
8
8
8
4

SPs
2
2
2
2
2
2
2
2

CPU/SP
2x3.6GHz
2x2.8GHz
2x2.8GHz
2x2.8GHz
1x2.8GHz
1x2.8GHz
1x2.8GHz
1x1.8GHz

FC FE/SP
4@4Gb
4@4Gb
2@4Gb
2@4Gb
6@4Gb
2@4Gb
2@4Gb
2@4Gb

iSCSI FE/SP
-
-
-
4@1Gb
-
-
4@1Gb
2@1Gb

BE/SP
4@4Gb
4@4Gb
2@4Gb
2@4Gb
1@4Gb
1@4Gb
1@4Gb
1@4Gb

System Mem
16GB
8GB
8GB
8GB
4GB
4GB
4GB
2GB

Cache
6728MB
3016MB
3016MB
3016MB
1053MB
1053MB
1053MB
310MB

W Cache
3072MB
2500MB
2500MB
2500MB
1053MB
1053MB
1053MB
310MB

HA Hosts [ha1]
256
128
128
128
128
128
128
64

Min Size
9U
5U
5U
5U
5U
5U
5U
5U

LUNs
2048
2048
2048
2048
1024
1024
1024
512

RGs
240
120
120
120
60
60
60
30

LUNs/RG
128
128
128
128
128
128
128
128

SGs
512
256
256
256
256
256
256
128

LUNs/SG
256
256
256
256
256
256
256
256

CMI
PCIe x8
PCIe x4
PCIe x4
PCIe x4
PCIe x4
PCIe x4
PCIe x4
PCIe x4

Rsrvd LUNs
512
256
256
256
128
128
128
64

Message was edited by:
chiodp