I want to upgrade RAM in my fave nettop to 4Gb, but some sites says that I can upgrade only to 2Gb. But when I use `dmidecode -t memory` ubuntu terminal says that it is possible (*Maximum Memory Module Size: 4096 MB* ), but can I trust?

```
# dmidecode 2.11
SMBIOS 2.6 present.

Handle 0x0015, DMI type 16, 15 bytes
Physical Memory Array
        Location: System Board Or Motherboard
        Use: System Memory
        Error Correction Type: None
        Maximum Capacity: 4 GB
        Error Information Handle: No Error
        Number Of Devices: 2

Handle 0x0016, DMI type 17, 28 bytes
Memory Device
        Array Handle: 0x0015
        Error Information Handle: 0x0017
        Total Width: Unknown
        Data Width: 65476 bits
        Size: 1024 MB
        Form Factor: SODIMM
        Set: None
        Locator: DIMM0
        Bank Locator: BANK 0
        Type: DDR3
        Type Detail: Synchronous
        Speed: 667 MHz
        Manufacturer: 0000000000000000
        Serial Number: 00000000
        Asset Tag: Unknown
        Part Number: 000000000000000000000000000000000000
        Rank: Unknown

Handle 0x0018, DMI type 6, 12 bytes
Memory Module Information
        Socket Designation: DIMM0
        Bank Connections: None
        Current Speed: 1 ns
        Type: Unknown DIMM
        Installed Size: 1024 MB (Single-bank Connection)                        
        Enabled Size: 1024 MB (Single-bank Connection)                          
        Error Status: OK                                                        

Handle 0x001C, DMI type 5, 20 bytes                                             
Memory Controller Information                                                   
        Error Detecting Method: None                                            
        Error Correcting Capabilities:                                          
                Unknown                                                         
                None                                                            
        Supported Interleave: One-way Interleave                                
        Current Interleave: One-way Interleave                                  
        Maximum Memory Module Size: 4096 MB                                    
        Maximum Total Memory Size: 8192 MB                                      
        Supported Speeds:                                                       
                Other                                                           
        Supported Memory Types:                                                 
                Other                                                           
        Memory Module Voltage: Unknown                                          
        Associated Memory Slots: 2                                              
                0x0018                                                          
                0x0018                                                          
        Enabled Error Correcting Capabilities:                                  
                None    

```