TranquilPC Harmony Home Server Quick Product Comparison
| 
 | T7-HSAi | T2-WHS-A3i | 
| Processor | Intel Atom 230 (64 bit ready +HT) | Intel Atom 230 (64 bit ready +HT) | 
| Cooling | Fanless/passive | Fanless/passive | 
| Hard Drives | Single 3.5” Internal 500GB or 1TB Western Digital Green Power HDD. | 2x 3.5” internal 500GB or 1TB Western Digital Green Power HDD(s) supported in cooled, shock resistant sub system | 
| Network | 10/100 LAN | 10/100 LAN (Gbe from PCI card) | 
| USB Ports | 4 x USB 2.0 | 4 x USB 2.0 | 
| PCI Slots | None | 2x PCI Slot (spare or populated with 10/100/1000 LAN or eSATA 4 port card or combination of both) | 
| RAM | Kingston /Corsair DDR2 512MB or 1024MB | Kingston /Corsair DDR2 512MB or 1024MB | 
| OS | MS Windows Home Server | MS Windows Home Server | 
| Other | The T7-HSAi benefits from ultra small size, and 'want one' styling. 1x 500GB or 1TB internal HDD (or multiple 2.5” HDDs) and 4x USB2.0 ports for HDD expansion (or printer services). Secure Wall mounting option. Easy linkage to the T7-HDx. Low power (approx 29W) | Multiple mounting options, multiple HDDs and multiple PCI options makes for the Server of choice. 4x USB2.0 ports - and optional 4x eSATA ports or Gbe LAN - so this device is for real storage users. Low power consumption (approx +29 watts) | 
| Acoustics | 21dBA (or 17dBA with 2.5” HDDs) | 21dbA | 
| Mounting options | Desk or Wall mounting options | Desk, Rack, Wall or floor mounting options | 
| Size (mm) | 224 (d) x 232 (h) x 57 (w) | 356 (d) x 66 (h) x 387 (w) |