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HP ProBook 6450b/6550b Notebook PC - Specifications

Physical specifications

Dimensions (H x W x D)
  • HP ProBook 6450b: 3.38 (at front) x 33.9 x 23.62 cm (1.33 (at front) x 13.35 x 9.3 in)

  • HP ProBook 6550b: 3.48 (at front) x 37.14 x 24.8 cm (1.37 (at front) x 14.62 x 9.76 in)

HP ProBook 6450b
  • 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

HP ProBook 6550b
  • 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


Environmental specifications

  • 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
  • Operating: 10% to 90%, non-condensing

  • Non-operating: 5% to 95%, 38.7°C (101.6°F) maximum wet bulb temperature

  • Operating: 125 G, 2 ms, half-sine

  • Non-operating: 200 G, 2 ms, half-sine

Random vibration
  • Operating: 0.75 grms

  • Non-operating: 1.50 grms

Altitude (unpressurized)
  • Operating: -15.24 to 3,048 m (-50 to 10,000 ft)

  • Non-operating: -15.24 to 12,192 m (-50 to 40,000 ft)


Electrical specifications

Nominal operating voltage
18.5 V
Max operating power
< 65 W or < 90 W
Power supply
  • Models with discrete graphics: External 90 W smart AC adapter

  • Models with integrated graphics: External 65 W smart AC adapter

  • Primary battery

    • HP 9-cell (93 Wh) Li-Ion battery

    • HP 6-cell (55 Wh) Li-Ion battery

    • HP 6-cell (47 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


Technical specifications

  • Mobile Intel QM57 express chipset (vPro configurations)

  • Mobile Intel HM57 express chipset (non-vPro configurations)

Intel Quad-Core processor (models with discrete graphics only)
  • Intel Core i7-720QM processor (1.60 GHz, 45 W, 6MB L3 cache), up to 2.80 GHz with Intel Turbo Boost Technology

Intel Dual-Core processors
  • Intel Core i7-620M Processor (2.66 GHz, 35 W, 4MB L3 cache), up to 3.33 GHz with Intel Turbo Boost Technology

  • Intel Core i5-540M Processor (2.53 GHz, 35 W, 3MB L3 cache), up to 3.06 GHz with Intel Turbo Boost Technology

  • Intel Core i5-520M Processor (2.40 GHz, 35 W, 3MB L3 cache), up to 2.93 GHz with Intel Turbo Boost Technology

  • Intel Core i3-350M Processor (2.26 GHz, 35 W, 3MB L3 cache)

  • Intel Celeron P4500 Processor (1.80 GHz, 35 W, 2MB L3 cache)

NOTE: Processor speed denotes maximum performance mode; processors will run at lower speeds in battery optimization mode.
Memory type supported
DDR3 PC3-10600 SDRAM (1333 MHz)
Memory expansion slots
Two SODIMM slots supporting dual-channel memory 1024MB, 2048MB and 4096MB SODIMMs
Maximum memory
Upgradeable to 8GB with 4GB SODIMMs in slots 1 and 2
Memory cards
  • HP 1GB (DDR3, 1333 MHz) SODIMM

  • HP 2GB (DDR3, 1333 MHz) SODIMM

  • HP 4GB (DDR3, 1333 MHz) SODIMM

Models with discrete graphics
  • ATI Mobility Radeon HD 540v with 512MB 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

Internal storage
  • Hard drives: 160/250/320/500GB, 7200 RPM, SMART SATA II

  • Solid state drive: 128/160GB

Upgrade bay
  • Fixed 12.7 mm SATA optical drive

    • Blu-ray ROM DVD+/-RW SuperMulti DL LightScribe drive

    • DVD+/-RW SuperMulti DL LightScribe drive

    • DVD-ROM drive

  • Second hard drive: 500GB 7200 RPM SMART SATA II hard drive

Internal display
HP ProBook 6450b
  • 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 ProBook 6550b
  • 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 display
  • 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 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.
  • Integrated Intel 82577LM Gigabit Network Connection (vPro configurations)

  • Integrated Intel 82577LC Gigabit Network Connection (non-vPro configurations)

  • 56K V.92 modem

Wireless devices
  • HP un2420 EV-DO/HSPA mobile broadband module

  • Intel Centrino Advanced-N 6200 (2 x 2)

  • Intel Centrino Wireless-N 1000 (1 x 2)

  • Broadcom 4322AGN 802.11 a/b/g/n WiFi adapter

  • Broadcom 4313GN 802.11 b/g/n WiFi adapter

  • Broadcom 4312G 802.11 b/g WiFi adapter (Russia/Ukraine only)

  • HP Integrated Module with Bluetooth 2.1+EDR wireless technology

  • IDT 92HD75B High Definition CODEC

  • 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/sec

    • 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)

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.
Touch-sensitive controls
Touch-sensitive controls provide easy access to the following features: HP QuickLook 3, HP QuickWeb, wireless on/off, volume mute, volume down, volume up. The HP ProBook 6550b also features a calculator button.
Pointing device
  • Touchpad with scroll zone, two pick buttons

  • Optional pointstick with two additional pointstick buttons

Expansion card slots
  • ExpressCard/54 slot

  • Optional Integrated Smart Card Reader (replaces ExpressCard/54 slot)

  • Media card reader that supports the following:

    • Secure Digital (SD)

    • High Capacity Secure Digital (HS-SD)

    • MultiMedia Card (MMC)

    • MultiMedia Card Plus (HS-MMC)

    • Sony Memory Stick

    • Sony Memory Stick Pro

    • Memory Stick Duo

      NOTE: 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.
    • xD-Picture card

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)

  • HP Fingerprint Sensor

  • HP Privacy Filter (Narrows viewing area so that screen data is visible only to persons directly in front of the monitor)

NOTE: 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 users when they purchase a subscription with terms ranging from one to five years.

  • ExpressCard/54 slot: One (or optional Smart Card Reader)

  • External monitor: Two - (1) DisplayPort, (1) VGA

  • 1394a: One

  • Stereo microphone-in: One

  • Stereo headphone/line-out: One

  • Power connector: One

  • RJ-11/modem: One

  • RJ-45/Ethernet: One

  • USB 2.0: One

  • eSATA/USB 2.0 combo: One

  • Serial port: One (HP ProBook 6550b only)

  • Docking connector: One

  • Secondary battery connector: One


Software specifications

Operating system
  • Genuine Windows 7 Professional Edition 32-bit

  • Genuine Windows 7 Professional Edition 64-bit

  • Genuine Windows 7 Home Premium Edition 32-bit

  • Genuine Windows 7 Home Premium Edition 64-bit

  • Genuine Windows 7 Home Basic Edition 32-bit (selected countries)

  • Genuine Windows Vista Business 32-bit

  • Genuine Windows Vista Home Basic 32-bit

  • Genuine Windows Vista Business available thorough downgrade rights from Genuine Windows 7 Professional 32-bit

  • Genuine Windows XP Professional available through downgrade rights from Genuine Windows 7 Professional)

  • Red Flag Linux (PRC only)

  • Free DOS

  • Genuine Windows 7 Enterprise 32-bit

  • Genuine Windows 7 Enterprise 64-bit

  • Genuine Windows 7 Ultimate 32-bit

  • Genuine Windows 7 Ultimate 64-bit

  • Genuine Windows Vista Enterprise 32-bit

  • Genuine Windows Vista Enterprise 64-bit

  • SuSE Linux Enterprise Desktop 11

Preinstalled software with Windows 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 Protection

    NOTE: 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.
  • PDF Complete SE

  • Intervideo WinDVD – DVD Player (selected models)

  • Roxio Creator Business (selected models)

  • HP Webcam Software (selected models)

  • Skype

  • WinZip v14 trial edition

Additional software available from the web
  • HP SoftPaq Download Manager


Safety certifications

EMI and safety certifications
CE Mark - full compliance with LVD and EMC directives; Worldwide safety standards - IEC60950, EN60950, UL60950, Class1, SELV; Agency approvals - C-UL-US, NORDICS, DENAN, EN55022 Class B, FCC Class B, CISPR22 Class B, CCC, NOM-1 NYCE; MTBF- over 200,000 hours at 25°C ambient condition.
Industry standard certifications
  • UL: Yes

  • CSA: Yes

  • FCC Compliance: Yes

  • ENERGY STAR: Selected models

  • EPEAT: Registered Gold in United States

  • ICES: Yes

  • GS: Yes

  • Australia/NZ A-Tick Compliance: Yes

  • CCC: Yes

  • Japan VCCI Compliance: Yes

  • KCC: Yes

  • BSMI: Yes

  • CE Marking Compliance: Yes

  • BNCI or BELUS: Yes

  • CIT: Yes

  • GOST: Yes

  • Saudi Arabian Compliance (ICCP): Yes

  • SABS: Yes



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