| Product | |
| Model | HP ProBook 4420s |
| P/N | WQ944PA |
| C/O | China |
| Processor | |
| Processor | Intel Core i3-330M Processor (2.13 GHz, 3 MB L3 cache) |
| Chipset | Mobile Intel HM57 Express Chipset |
| RAM | |
| Installed Size | 2048 MB |
| Technology | DDR3 PC3-10600 SDRAM (1333 MHz) |
| Maximum allowed | Upgradeable to 8192 MB with optional 4096 MB SODIMMs in slots 1 and 2 |
| Storage | |
| Hard Drive | 250 GB - Serial ATA-150 - 7200 rpm |
| Hard drive type | Portable |
| Storage Removable | None |
| Optical Storage | |
| Type | DVD+/-RW SuperMulti DL LightScribe Drive |
| Card Reader | |
| Card reader type | Card Reader |
| Supported flash memory cards | Supports SD (Secure Digital), MMC (MultiMedia Card), Memory Stick, Memory Stick Pro, Memory Stick Duo, xD-Picture card |
| Display | |
| Display Type | 14.0-inch |
| Max Resolution | 1366 x 768 resolution |
| Features | diagonal LED-backlit HD anti-glare |
| Video | |
| Graphics Processor / Vendor | Intel HD Graphics
Microsoft DirectX 10 (integrated) capable |
| Video Memory | Shared |
| Audio | |
| Audio type | High Definition Audio support
Integrated stereo speakers
Integrated digital microphone
Stereo headphone/line out
Stereo microphone in |
| Camera | |
| Camera Type | Integrated |
| Notebook Camera / Sensor Resolution | 2 MP webcam |
| Input device | |
| Input device type | 101/102-key compatible keyboard features a full-pitch key layout with desktop keyboard features
Two-finger scroll, zoom, pinch and pivot rotate |
| Telecom | |
| Modem | None |
| Networking | |
| Networking | Realtek Ethernet (10/100/1000 NIC) |
| Wireless LAN Supported | 802.11b/g/n WLAN |
| Data link protocol | None |
| Expansion / Connectivity | |
| Interfaces | 1 x VGA One
1 x HDMI On
1x Stereo microphone i
1 x Stereo headphone/line ou
1 x Power connector One
1 x RJ-11/modem (optional)
1x RJ-45/Ethernet
1x Combo eSATA/USB 2.0
3x USB 2.0 |
| Power | |
| Power device form factor | External |
| Voltage Required | 90-watt Smart AC adapter |
| Battery | |
| Technology | 6-cell (47 WHr) Li-Ion battery |
| Operating System | |
| OS Provided | FreeDOS |
| Dimensions & Weight | |
| Dimensions | 27.0 mm (at front) x 336 mm x 232.4 mm |
| Weight | 2.27 kg |
| Accessories | |
| Accessories | Carrying Case, Pin & AC adapter |