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HP ProBook 6455b/6555b Notebook PC Product Specifications

Product description

HP HP ProBook 6455b/6555b Notebook PC is incredibly sleek notebook which has a sophisticated aesthetic with a durable anodized aluminum display enclosure and palm rest.

Product features

AMD M880G Chipset
  • AMD Phenom II Quad-Core Mobile Processor N930 (2.0 GHz, 35 W, 2MB L2 cache)
  • AMD Phenom II Triple-Core Mobile Processor N830 (2.1 GHz, 35 W, 1.5MB L2 cache)
  • AMD Phenom II Dual-Core Mobile Processor N620 (2.8 GHz, 35 W, 2MB L2 cache)
  • AMD Turion II Dual-Core Mobile Processor P520 (2.3 GHz, 25 W, 2MB L2 cache)
  • AMD Athlon II Dual-Core Processor for Notebook PCs P320 (2.1 GHz, 25 W, 1MB L2 cache)
Standard: DDR3 PC3-10600 SDRAM (1333 MHz)1 Two SODIMM slots supporting dual-channel memory 1024MB, 2048MB and 4096MB SODIMMs
Maximum: Upgradeable to 8192MB with 4096MB SODIMMs in slots 1 and 2
Dual-channel: Maximized dual-channel performance requires SODIMMs of the same size and speed in both memory slots
  • ATI Mobility Radeon HD 4250
  • Microsoft DirectX 10 capable
For 6455b Notebook PC:
  • 14-inch diagonal LED-backlit HD anti-glare (1366 x 768 resolution)
  • 14-inch diagonal LED-backlit HD+ anti-glare (1600 x 900 resolution)
For 6555b Notebook PC:
  • 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)
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
The HP spill-resistant keyboard is designed using a thin layer of Mylar film under the keyboard and a drain system that funnels fluid through a hole in the bottom of the notebook. This minimizes the risk of damage to sensitive components underneath. The 101/102-key compatible keyboard features a full-pitch key layout with desktop keyboard features, such as the isolated inverted-T cursor control keys, editing keys, both left and right control and alt keys, 12 function keys, and 19.05 x 19.05 mm key pitch (center-to-center spacing). U.S. and International key layouts are available. Other features include hotkeys for instant access to power conservation and brightness. The HP ProBook 6555b includes a separate numeric keypad
Pointing device
  • Touchpad with scroll zone, two pick buttons
  • Optional pointstick with two additional pointstick buttons
Expansion card slots
ExpressCard/54 slot: Supports ExpressCard/54 and ExpressCard/34
Optional integrated: Compatible with ISO 7816 compliant Smart Cards
Smart card reader (replaces ExpressCard/54 slot): PC/SC interface support
Media card reader: Supports SD (Secure Digital), HC-SD (High Capacity Secure Digital), MMC (MultiMedia Card), HS-MMC (MultiMedia Card Plus), Sony Memory Stick, Sony Memory Stick Pro, Memory Stick Duo2, xD-Picture card
Hard drives: 160/250/320/500GB 7200 rpm SMART SATA II
HP 3D DriveGuard (Windows only): The hard drive is mounted directly to the notebook frame, reducing the transmission of shock to the hard drive. Uses three-axis digital motion detection with intelligent sensitivity to help protect the hard drive during normal use from shock and vibration. The digital accelerometer temporarily halts all data transfer and parks the hard drive when abrupt motion is detected
Solid state drive: 128GB
Power supply
  • External 90 W Smart AC adapter, 1.8 m (6 ft) power cord included
  • Total length including external AC adapter is 3.66 m (12 ft)
  • HP Fast Charge3
Primary battery:
  • HP 9-cell (93 Wh) Li-Ion battery
  • HP 6-cell (55 Wh) Li-Ion battery
  • HP Long Life 6-cell (51 Wh) battery (with 3-year platform warranty only)
Optional HP Long Life Battery: 3-cell (47 Wh) Li-Ion battery
Optional HP Extended Life Battery: 8-cell (52 Wh) Li-Ion battery
Optional HP Ultra-Capacity Battery: 12-cell (95 Wh) Li-Ion battery
Power conservation
  • ATI PowerPlay technology
  • Hibernation
  • Standby
  • ACPI compliance
1: Memory speed is processor dependent.
2: Memory Stick Duo Adapters are required and sold separately. Inserting a Memory Stick Duo Card directly into your notebook could damage the memory card and/or notebook.
3: HP Fast Charge recharges your battery up to 90% within 90 minutes when the system is off. HP Fast Charge does not apply to the 9-cell primary battery or the 12-cell Ultra-Capacity batteries.


HP un2420 EV-DO/HSPA Mobile Broadband Module
Integrated mobile broadband module with Gobi global mobile Internet technology that provides connectivity to both CDMA (EVDO) and UMTS (HSPA) networks. It also provides GPS functionality for various mapping applications and security applications such as Computrace LoJack Pro Premium for HP ProtectTools.
All 802.11 integrated wireless LAN options
  • Wi-Fi Certified1
  • Cisco Compatible Extensions support
  • Wired Equivalent Privacy (WEP) support up to 128-bit keys
  • Wi-Fi Protected Access (WPA) and WPA2 support
  • 802.1x authentication support, including EAP-TLS, EAP-TTLS, PEAP-GTC, PEAP-MSCHAPv2, and LEAP
  • Advanced Encryption Standard (AES) support
  • Dual antennas integrated in the display enclosure
Broadcom 4322AGN 802.11a/b/g/n WiFi Adapter
Integrated support for 802.11 a, b, g and n up to 300 Mb/s data rate
Broadcom 4313GN 802.11b/g/n WiFi Adapter
Integrated support for 802.11 b, g and n up to 72 Mb/s data rate
Broadcom 4312G 802.11b/g WiFi Adapter (Russia/Ukraine only)
Integrated support for 802.11 b and g and up to 54 Mb/s data rate
HP Integrated Module with Bluetooth 2.1+EDR Wireless Technology
Bluetooth Specification v2.1+EDR compliant Works with a wide range of Bluetooth devices
Integrated Marvell Gigabit Ethernet PCI Controller (10/100/1000 NIC)2
56 K V.92 modem3
1: In countries where 802.11n is not allowed, this capability is not enabled.
2: 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.
3: Designed for downloads from 56 K 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.

Electrical specifications

Stand-alone power requirements (ac power)
Nominal operating voltage
18.5 V
Average operating power
Max operating power
< 90 W
Power cable length
1.8 m (6 ft) power cord


  • HP Premier Sound
  • Integrated stereo speakers
  • Integrated microphone (dual-microphone array when equipped with optional 2 MP webcam)
  • Touch-sensitive controls for volume up, volume down, and mute
  • Stereo headphone/line out
  • Stereo microphone/line in
  • Optional 2 MP webcam:
    • Supports videoconferencing and still image capture
    • Large image sensor for excellent color matching and good low light sensitivity
    • Up to 30 frames/s
    • Fixed focus lens
    • Video capture at VGA, 1.3 Mpixel, and 2 Mpixel resolutions
    • 16-bit true color (camera sensors output YCrCb format among others)

Physical specifications

Dimensions (H x W x D)
For 6455b Notebook PC:
  • 33.8 (at front) x 339 x 236.2 mm (1.33 x 13.35 x 9.3 in)
For 6555b Notebook PC:
  • 34.8 (at front) x 371.4 x 248 mm (1.37 x 14.62 x 9.76 in)
For 6455b Notebook PC:
  • Starting at 2.26 kg (5.0 lb) with weight saver (no optical drive)
  • Starting at 2.39 kg (5.31 lb) with DVD-ROM drive
For 6555b Notebook PC:
  • Starting at 2.51 kg (5.5 lb) with weight saver (no optical drive)
  • Starting at 2.64 kg (5.81 lb) with DVD-ROM drive
Standard features:
  • HP ProtectTools Security Manager
  • Enhanced Pre-Boot Security
  • HP SpareKey
  • One-Step Logon
  • Setup Password
  • TPM 1.2 Embedded Security Chip1
  • TPM Enhanced DriveLock1
  • HP Disk Sanitizer
  • Lock slot
  • Support for Computrace2 LoJack Pro for HP ProtectTools
Optional features:
  • Smart Card Reader: (replaces ExpressCard/54 slot) Compatible with ISO 7816 compliant Smart Cards PC/SC interface support
  • HP Fingerprint Sensor: Enhanced sensor scans the fingerprint to uniquely identify and authenticate a person
  • HP Privacy Filter: Narrows viewing area so that screen data is visible only to persons directly in front of the monitor.
  • Computrace2 LoJack Pro Premium for HP ProtectTools with GPS Tracking: Subscription based security solution providing the ability to track, initiate physical recovery, conduct asset management, and perform remote data delete by utilizing GPS technology. GPS functionality requires HP un2420 EV-DO/HSPA Mobile Broadband Module.
1: TPM module disabled where use is restricted by law; for example, Russia and China.
2: The Computrace agent is shipped turned off, and must be activated by customers when they purchase a subscription with terms ranging from one to five years.


Operating System
  • HP Recovery Manager (available with Windows 7 or Vista only)
  • HP Support Assistant (available with Windows 7 or Vista only)
  • HP ProtectTools Security Manager
  • HP ProtectTools for Central Management
  • HP Quick Launch Buttons Software
  • HP QuickLook 3
  • HP QuickWeb
  • HP Power Assistant
  • HP Connection Manager 3.1
  • HP Wireless Assistant
  • HP DayStarter
  • Microsoft Office Professional 2007 60-day Convertible Trial
  • McAfee Total Protection1
  • PDF Complete SE
  • ntervideo WinDVD – DVD Player (select models)
  • Roxio Creator Business (select models)
  • HP Webcam Software (select models)
  • Skype
  • WinZip 14 trial
Additional software available from the web
HP SoftPaq Download Manager
HP ProtectTools Security Manager
HP ProtectTools Security Manager is the security platform for business notebooks and desktops. The HP ProtectTools Security Manager is an extensible client security console that delivers enhanced security capabilities through add-on software modules. The following modules are available on the hard drive (also downloadable from the web) and can be configured in Software Setup:
  • Credential Manager for HP ProtectTools
  • Device Access Manager for HP ProtectTools
  • Drive Encryption for HP ProtectTools
  • File Sanitizer for HP ProtectTools
  • Privacy Manager for HP ProtectTools (Chat & Sign)
  • Embedded Security for HP ProtectTools
  • Computrace LoJack Pro for HP ProtectTools
1: 60 day trial period for McAfee Total Protection for Small Business software. Internet access required to receive updates. First update included. Subscription required for updates thereafter.

Environmental specifications

Operating temperature
  • 0° to 35°C (32° to 95°F) (not writing optical)
  • 5° to 35°C (41° to 95°F) (writing optical)
-20° to 60°C (-4° to 140°F)
Relative humidity
10% to 90%, non-condensing
5% to 95%, 38.7°C (101.6°F) maximum wet bulb temperature
-15.24 to 3,048 m (-50 to 10,000 ft)
-15.24 to 12,192 m (-50 to 40,000 ft)

Safety certifications

All necessary regulatory approvals for supported countries, including:
  • FCC (47 CFR) Part 15C, Section 15.247 & 15.249
  • ETS 300 328, ETS 300 826
  • Low Voltage Directive IEC950
  • UL, CSA, and CE Mark

Warranty information

Terms of warranty apply to the individual model purchased. To see if your HP product is still in warranty, go to the HP Product Warranty Check page.






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