Display
Internal
HP ProBook 6455b:
14.0-inch diagonal LED-backlit HD anti-glare (1366 x 768 resolution))
HP ProBook 6555b:
15.6-inch diagonal LED-backlit HD anti-glare (1366 x 768 resolution)
15.6-inch diagonal LED-backlit HD+ WVA 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 and 4096 MB SODIMMs
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.
* 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 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.
Communications
Integrated Marvell Gigabit Ethernet PCI Controller (10/100/1000 NIC)*
56K V.92 modem**
* The term "10/100/1000" or "Gigabit" Ethernet indicates compliance with IEEE standard 802.3ab for
Gigabit Ethernet, and does not connote actual operating speed of 1 Gb/s. For high-speed transmission,
connection to a Gigabit Ethernet server and network infrastructure is required.
** Designed for downloads from 56K modem compliant sources. Maximum achievable download
transmission rates currently do not reach 56 KB/s, and will vary with line conditions. Modem availability is
subject to country regulatory approval.
QuickSpecs
HP ProBook 6455b Notebook PC
HP ProBook 6555b Notebook PC
Standard Features (availability may vary by country)
DA - 13596 Canada — Version 18 — February 15, 2012
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