Specifically designed to reduce energy usage and environmental impact, the WILLPOS A20 is the finest POS choice for retailers looking for supreme performance and reliability with impressive green credentials.

| 15" Model | 12.1"Model | |
|---|---|---|
| CPU | Intel Celeron M 440 (1.86GHz)/ Intel Core2 Duo T7400 (2.16GHz) | |
| Memory | 512MB/ 1GB (Max. 4GB) DDR2-533/ PC-4200, 2 slots | |
| Operator Display | 15" TFT Touch (1024 x 768) | 12.1" TFT Touch (800 x 600) |
| Customer Display | 2 Lines x 20 Characters VFD 15" or 12.1" TFT with Dual display option | |
| HDD | Type A: 160 GB or over, SATA x 1 (Max. 2 Drives) Type B: 250GB or over, SATA x 1 (Max. 2 Drives) | |
| RAID | Optional : Type B: 2 x 250GB or over (RAID1)* | |
| Options | Single-sided receipt printer - double-sided receipt printer remote customer display - cash drawer - fixed or tilting LIU display iButton (Dallas key) - magnetic stripe card reader - top cover wireless cover with cable (USB) solid state flash disk (Max. 4GB) | |
| Interfaces | 2 x COM D-Sub9 (male); 2 x powered COM D-Sub9 (female) 6 x USB (2.0), 2 x powered USB (12V), 1 x powered USB (24V) 1 x PS/2 for mouse & 1 x for keyboard 2 x 24V drawer interface 1 x 15 pin VGA female type LAN 10Base-T/100 Base-TXEthernet (RJ45) with LED | |
| Audio | Line-out / Mic-in, 2 x stereo speakers with volume control | |
| AC Inlet | AC inlet connector | |
| Power Supply | 95W / 105W internal switching | |
| Weight | 11.5 kg / 25.35 lbs | 10.5 kg / 23.15 lbs |
| Dimensions | 366 (W) x 251 (D) x 359 (H) mm 14.4"(W) x 9.88"(D) x 14.13"(H) | 306 (W) x 247 (D) x 337 (H) mm 12.04"(W) x 9.72"(D) x 13.26"(H) |