| Display | Compaq Presario R4125CA | |
| Screen Size | 15.40 " | |
| Display Screen Type | Active Matrix TFT Color LCD | |
| Aspect Ratio | 16:10 | |
| Screen Mode | WXGA | |
| Screen Resolution | 1280 x 800 | |
| Graphics Controller Manufacturer | ATI | |
| Graphics Controller Model | Mobility Radeon Xpress 200M | |
| Graphics Memory Capacity | Up to 128 MB | |
| Graphics Memory Technology | DDR SDRAM | |
| Hard Drive | Compaq Presario R4125CA | |
| Storage Size | 100 GB | |
| Hard Drive RPM | 4200 | |
| Optical Drive Type | DVD-Writer | |
| Memory | Compaq Presario R4125CA | |
| Standard Memory | 512 MB | |
| Maximum Memory | 2 GB | |
| Memory Technology | DDR SDRAM | |
| Memory Standard | DDR333/PC2700 | |
| Network | Compaq Presario R4125CA | |
| Wireless LAN | Yes | |
| Wireless LAN Manufacturer | Broadcom | |
| Wireless LAN Model | 54g | |
| Wireless LAN Standard | IEEE 802.11b/g | |
| Ethernet Technology | Fast Ethernet | |
| Dimensions | Compaq Presario R4125CA | |
| Weight (Approximate) | 125.6 oz | |
| Processor | Compaq Presario R4125CA | |
| Processor Manufacturer | AMD | |
| Processor Type | Athlon 64 | |
| Processor Model | 3500 | |
| Processor Speed | 2.20 GHz | |
| Cache | 512 KB | |
| Bus Speed | 2000 MHz | |
| Software | Compaq Presario R4125CA | |
| Operating System | Windows XP Home with SP2 | |
| Input Devices | Compaq Presario R4125CA | |
| Pointing Device Type | TouchPad | |
| I/O Expansions | Compaq Presario R4125CA | |
| Expansion Slot Type | ExpressCard/54, CardBus Type II | |
| Battery | Compaq Presario R4125CA | |
| Battery Chemistry | Lithium Ion (Li-Ion) | |
| Interfaces | Compaq Presario R4125CA | |
| FireWire/i.LINK | Yes | |
| S-Video | Yes | |
| Total Number of USB Ports | 4 | |
| Number of USB 2.0 Ports | 4 | |