Graphics
Integrated graphics (HP ProBook 4520s only):
Intel HD Graphics
Discrete graphics:
ATI Mobility Radeon HD 4350 graphics controller with 512 MB dedicated video memory
Microsoft DirectX 10.1 (discrete),10 (integrated) capable
Display
Internal
HP ProBook 4520s:
15.6-inch diagonal LED-backlit HD anti-glare (1366 x 768 resolution)
15.6-inch diagonal LED-backlit HD BrightView (1366 x 768 resolution)
HP ProBook 4720s:
17.3-inch diagonal LED-backlit HD+ anti-glare (1600x900 resolution)
17.3-inch diagonal LED-backlit HD+ BrightView (1600x900 resolution)
Optional HP Privacy Filter
External
Up to 32-bit per pixel color depth
VGA
port supports resolutions up to 1600 x 1200 at 75 Hz, and lower
resolutions at up to 100 Hz.
HDMI
port supports direct connection to high-definition displays with up to
1920 x 1080 resolution and 7-channel audio with one convenient cable (not
included).
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 and 2048 MB SODIMMs
Standard memory up to 4096 MB
Maximum
Upgradeable to 8192 MB with optional 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.
* Memory speed is processor dependent.
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 Windows Vista Business 64-bit 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 4520s Notebook PC HP ProBook
4720s Notebook PC
Standard Features (availability may vary by country)
DA - 13569 Worldwide QuickSpecs — Version 2 — 3.12.2010
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