Chipset
Mobile Intel HM57 Express Chipset
Graphics
Models with discrete graphics:
ATI Mobility Radeon™ HD 4550 with 512 MB dedicated video memory
Microsoft DirectX 10.1 (Shader Model 4.1) and OpenGL 2.1 capable
Models with integrated graphics:
Intel HD Graphics
Microsoft DirectX 10 (Shader Model 4.0) and OpenGL 2.0 capable
Display
Internal
14.0-inch diagonal LED-backlit HD anti-glare (1366 x 768 resolution)
14.0-inch diagonal LED-backlit HD BrightView (1366 x 768 resolution)
14.0-inch diagonal LED-backlit HD+ anti-glare (1600 x 900 resolution)
HP Privacy Filter support
External
Up to 32-bit per pixel color depth
DisplayPort
supports resolutions up to 2560 x 1600, 30-bit color depth at 60
Hz, and full HD (1920 x 1080) monitors, 24-bit color depth at 120 Hz
VGA
port supports resolutions up to 2048 x 1536 at 75 Hz, and lower
resolutions at up to 100 Hz
DVI-D
(single link) video signal available through DVI port in optional HP
Docking Station (sold separately)
supports resolutions up to 1600 x 1200 at both full and reduced
blanking, and 1920 x 1200 at reduced blanking
NOTE:
Resolutions are dependent upon monitor capability, and resolution and
color depth settings.
Memory
Standard
DDR3 PC3-10600 SDRAM (1333 MHz)*
Two SODIMM slots supporting dual-channel memory
1024 MB, 2048 MB, 3072 MB, or 4096 MB
Maximum
Upgradeable to 8192 MB with 4096 MB SODIMMs in slots 1 and 2
Dual-channel
Maximized dual-channel performance requires SODIMMs of the same size and
speed in both memory slots.
* With some processors, memory bus runs at a maximum of 1066 MHz.
NOTE:
Due to the non-industry standard nature of some third-party memory modules, we recommend HP
branded memory to ensure compatibility. If you mix memory speeds, the system will perform at the lower
memory speed. Full availability of 4 GB or more of memory requires a Windows 64-bit operating system or
Linux. With Windows 32-bit operating systems, the amount of usable memory is dependent upon your
configuration, so that above 3 GB all memory may not be available due to system resource requirements.
QuickSpecs
HP ProBook 6440b Notebook PC
Standard Features
DA - 13462 Worldwide — Version 10 — September 14, 2010
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