| Product | |
| Model | HP Compaq CQ40-311TU |
| P/N | NJ176PA |
| C/O | China |
| Processor | |
| Processor | Intel® Celeron® Duo Core Processor T1600 1.66 GHz |
| Data bus speed | 667 MHz FSB |
| Chipset type | Intel 45 Express Chipset |
| Cache Memory | |
| Type | L2 cache |
| Cache size | 1 Mb |
| RAM | |
| Installed Size | 1024MB |
| Technology | DDR2 SDRAM - 667 MHz |
| Maximum allowed | 3072MB |
| Storage | |
| Floppy Drive | None |
| Hard Drive | 160 GB - Serial ATA - 5400 rpm |
| Hard drive type | Portable |
| Storage Removable | None |
| Optical Storage | |
| Type | DVD ±RW |
| Card Reader | |
| Card reader type | 5 in 1 card reader |
| Supported flash memory cards | SD, MMC, MS, MS PRO, XD |
| Display | |
| Display Type | 14.1 inch |
| Max Resolution | 1280 x 800 ( WXGA ) |
| Widescreen Display | Yes |
| Features | WXGA High Definition BrightView Widescreen |
| Color Support | 24-bit (16.7 million colors) |
| Video | |
| Graphics Processor / Vendor | Intel® Graphics Media Accelerator 4500MHD |
| Video Memory | Shared |
| Audio | |
| Audio channel | 5.1 |
| Audio feature | 3D Sound Blaster Pro, Altec Lansing® speakers, Mic |
| Camera | |
| Camera Type | Integrated |
| Notebook Camera / Sensor Resolution | 1.3 Megapixel |
| Input device | |
| Input device type | Keyboard , Touchpad |
| Networking | |
| Networking | Ethernet 10/100BT |
| Wireless LAN Supported | Wireles 802.11b/g |
| Data link protocol | IEEE 1394 |
| Modem | 56Kbps |
| Expansion / Connectivity | |
| Expansion Bays | None |
| Expansion Slots Total (Free) | One ExpressCard/54 slot (also supports ExpressCard/34) |
| Interfaces | 3 x USB 2.0
VGA Out
RJ-45, RJ-11
Express Card/54
Expansion Port 3
IEEE 1394
Stereo Headphone Out, Microphone in |
| Power | |
| Power device form factor | External |
| Voltage Required | AC 120/230 V |
| Battery | |
| Technology | 6-cell Lithium ion |
| Mfr estimated battery life | 3 hour(s) |
| Operating System | |
| OS Provided | FreeDOS |
| Dimensions & Weight | |
| Dimensions | 237 x 334 x 26 (mm) |
| Weight | 2.27 kg |
| Accessories | |
| Carrying Case | Yes |
| Pin & AC adapter | Yes |