| Product   Description | Lenovo   ThinkCentre A57 9704 - Pentium Dual Core E2200 2.2 GHz | 
        
            | Form Factor | Small   form factor | 
        
            | Manufacturer   Warranty | 1   year warranty ( on-site ) | 
        
            | Dimensions (WxDxH) | 31.7   cm x 35.5 cm x 9.9 cm | 
        
            | Weight | 7.3   kg | 
        
            | Processor | 1   x Intel Pentium Dual Core E2200 / 2.2 GHz ( Dual-Core ) | 
        
            | Hard Drive | 1   x 160 GB - standard - Serial ATA-300 | 
        
            | Networking | Network   adapter - Ethernet, Fast Ethernet, Gigabit Ethernet | 
        
            | Power | AC   120/230 V ( 50/60 Hz ) | 
        
            | RAM | 2   GB (installed) / 4 GB (max) - DDR2 SDRAM - non-ECC - 667 MHz - PC2-5300 | 
        
            | Storage Controller | Serial   ATA ( Serial ATA-300 ) ; IDE ( ATA-100 ) | 
        
            | Graphics   Controller | Intel   GMA 3100 | 
        
            | Audio Output | Sound   card | 
        
            | Type | Personal   computer | 
        
            | Localisation | English   / United Kingdom | 
        
            | Cache Memory | 1   MB L2 Cache | 
        
            | Optical Storage | DVD-Writer | 
        
            | Monitor | None. | 
        
            | OS Provided | Microsoft   Windows Vista Business / XP Professional downgrade | 
        
            | Cache Per   Processor | 1   MB | 
        
            | Processor Main Features | Intel   Extended Memory 64 Technology, Intel Execute Disable Bit, Enhanced Intel   SpeedStep Technology | 
        
            | Manufacturer   Selling Program | TopSeller | 
        
            | Memory Allocation   Technology | Dynamic   Video Memory Technology 4.0 | 
        
            | Environmental   Standards | EPA   Energy Star | 
        
            | OS Preinstalled | Windows   Vista |