hp-support-head-portlet

Actions
Loading...
HP Customer Support - Knowledge Base

hp-contact-secondary-navigation-portlet

Actions
Loading...

hp-share-print-widget-portlet

Actions
Loading...
  • Information
    Need Windows 11 help?

    Check the information on compatibility, upgrade, and available fixes from HP and Microsoft. Windows 11 Support Center

  • Feedback

hp-concentra-wrapper-portlet

Actions
Loading...

HP ProBook 645 G4 Notebook PC Specifications

Product image
Operating systems
Processors
Graphics
Display
Storage/drives
Memory
Ports/slots
Keyboards/pointing devices/function keys
Audio/multimedia
Networking/communication
Software/security
Power
Physical specifications

Product image

Figure : HP ProBook 645 G4 Notebook PC
HP ProBook 645 G4 Notebook PC

Operating systems

Specification
Description
Preinstalled
Windows 10 Home 64 (National Academic only)
note:
Some devices for academic use are automatically updated to Windows 10 Pro Education with the Windows 10 Anniversary Update. Features vary; for more information, see Windows 10 Pro Education features.
Windows 10 Home 64
Windows 10 Home Single Language 64
Windows 10 Pro 64
note:
Not all features are available in all editions or versions of Windows. Systems might require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. Windows 10 automatic updates are always enabled. ISP fees might apply and additional requirements might apply over time for updates.
FreeDOS 1.2

Processors

Specification
Description
AMD Ryzen 3 PRO 2300U
2.0 GHz (up to 3.4 GHz)
6 MB cache
4 cores
Radeon Vega Graphics
AMD Ryzen 5 PRO 2500U
2.0 GHz (up to 3.6 GHz)
6 MB cache
4 cores
Radeon Vega Graphics
AMD Ryzen 7 PRO 2700U
2.2 GHz (up to 3.8 GHz)
6 MB cache
4 cores
Radeon Vega Graphics
Chipset
Integrated with processor
note:
Multicore is designed to improve performance of certain software products. Not all customers or software applications necessarily benefit from use of this technology. Performance and clock frequency vary depending on application workload and hardware and software configurations. AMD numbering is not a measurement of clock speed.

Graphics

Specification
Description
Integrated
AMD Radeon Vega Graphics
note:
Integrated with processors.

Display

Specification
Description
Non-touch HD
35.56 cm (14.0 in) diagonal LED-backlit HD SVA eDP anti-glare, 45% sRGB, 220 nits (1366 x 768)
35.56 cm (14.0 in) diagonal LED-backlit HD SVA eDP anti-glare, 45% sRGB, 220 nits (1366 x 768) with camera
35.56 cm (14.0 in) diagonal LED-backlit HD SVA eDP anti-glare, 45% sRGB, 220 nits (1366 x 768) with WWAN
35.56 cm (14.0 in) diagonal LED-backlit HD SVA eDP anti-glare, 45% sRGB, 220 nits (1366 x 768) with camera and WWAN
Non-touch FHD
35.56 cm (14.0 in) diagonal LED-backlit FHD IPS eDP anti-glare, 45% sRGB, 220 nits (1920 x 1080)
35.56 cm (14.0 in) diagonal LED-backlit FHD IPS eDP anti-glare, 45% sRGB, 220 nits (1920 x 1080) with camera
35.56 cm (14.0 in) diagonal LED-backlit FHD IPS eDP anti-glare, 45% sRGB, 220 nits (1920 x 1080) with WWAN
35.56 cm (14.0 in) diagonal LED-backlit FHD IPS eDP anti-glare, 45% sRGB, 220 nits (1920 x 1080) with camera and WWAN
Touch FHD
35.56 cm (14.0 in) diagonal LED-backlit FHD IPS eDP, 45% sRGB, 220 nits (1920 x 1080) with camera and WWAN

Storage/drives

Specification
Description
Primary storage
500 GB 7200 rpm Hard Drive
500 GB 7200 rpm SED Hard Drive (FIPS-140-2)
1 TB 7200 rpm Hard Drive
Primary M.2 storage
128 GB SATA-3 TLC SSD
256 GB SATA-3 TLC OPAL 2 SSD
256 GB PCIe NVMe Value SSD
256 GB PCIe Gen3x4 NVMe TLC SSD
360 GB Intel PCIe Gen3x4 NVMe TLC SSD
512 GB SATA TLC (FIPS) SSD
512 GB PCIe Gen3x4 NVMe TLC SSD
1 TB PCIe Gen3x4 NVMe TLC SSD
note:
For solid state drives or hard drives, GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 30 GB is reserved for system recovery software.

Memory

Specification
Description
Standard
DDDR4-2400 SDRAM
(2) SODIMM slots supporting dual-channel memory
Both slots are customer accessible/upgradeable
Maximized dual-channel performance requires SODIMMs of the same size and speed in both memory slots
Configurations
4 GB total system memory (4 GB x 1)
8 GB total system memory (4 GB x 2)
8 GB total system memory (8 GB x 1)
12 GB total system memory (8 GB x 1 + 4 GB x 1)
16 GB total system memory (16 GB x 1)
16 GB total system memory (8 GB x 2)
32 GB total system memory (16 GB x2)
Maximum
Up to 32 GB
note:
Due to the non-industry standard nature of some third-party memory modules, we recommend HP branded memory to ensure compatibility. If memory speeds are mixed, the system performs at the lower memory speed.

Ports/slots

Specification
Description
Ports
(1) USB 3.1 Type-C (charging)
(1) USB 3.1 Gen 1 (charging)
(2) USB 3.1
(1) RJ-45/Ethernet
(1) VGA
(1) Headphone/microphone combo
(1) AC port 4.5 mm (0.18 in)
(1) HDMI (cable sold separately)
Slots
(1) Docking connector
(1) MicroSD (multi-format digital media reader)

Keyboards/pointing devices/function keys

Specification
Description
HP Advanced Keyboard
Keyboard options
ClickPad, spill-resistant with drain
ClickPad, spill-resistant with drain, DuraKeys and backlight
Dual Point, spill-resistant with drain, DuraKeys and backlight
Touchpad
On/off control by driver
Taps enabled as default
Windows 10 gestures
Three-Finger Flick
Two-Finger Rotate
Momentum motion
One-Finger Vertical Scroll
Windows 10 (support PTP with Miniport driver)
Settings enabled by default by MSFT
Three-Finger tap - Cortana
Three-Finger flick - App switch
Four-Finger tap - Action Center
Function keys
Function keys
ESC – System information
F1 – Display switching
F2 – Blank or Privacy
F3 – Brightness down
F4 – Brightness up
F5 – Speaker mute
F6 – Volume down
F7 – Volume up
F8 – Microphone mute
F9 – Backlight toggle (for backlit keyboard) or Blank
F10 – NumLock
F11 – Wi-fi toggle
F12 – Sleep

Audio/multimedia

Specification
Description
Audio
(2) Integrated stereo speakers
Integrated dual-array microphone
Webcam
720p HP Privacy Camera
note:
HD content required to view HD images. Sold separately or as an optional feature.
Internet access required.

Networking/communication

Specification
Description
Broadband Wireless (WWAN)
Huawei HP lt4132, LTE/HSPA+ with GPS M.2
Fibocom Intel(R) XMM(TM) 7360 LTE-Advanced lt4210 LTE/HSPA+ with GPS
note:
WWAN module is optional and requires a separately purchased service contract. Check with service provider for coverage and availability in your area. Connection speeds vary due to location, environment, network conditions, and other factors. 4G LTE is not available on all products, in all countries/regions.
Wireless LAN (WLAN) via minicard
Intel Dual Band Wireless-AC 3168 802.11a/b/g/n/ac (1x1) Wi-Fi and Bluetooth 4.2 Combo (non-vPro)
Intel Dual Band Wireless-AC 8265 802.11a/b/g/n/ac (2x2) Wi-Fi and Bluetooth 4.2 Combo (non-vPro)
Realtek 802.11ac (2x2) Wi-Fi and Bluetooth 4.2 Combo
Realtek 802.11ac (1x1) Wi-Fi and Bluetooth 4.2 Combo
note:
Wireless access point and Internet service required and sold separately. Availability of public wireless access points limited. The specifications for the 802.11ac WLAN are draft specifications and are not final. If the final specifications differ from the draft specifications, it might affect the ability of the notebook to communicate with other 802.11ac WLAN devices.
Personal area network (WPAN Bluetooth)
Bluetooth 4.2 supported via all supported WLAN modules
Near Field Communication (NFC)
NXP NPC300 Near Field Communication module
note:
Sold separately or as an optional feature.
Ethernet
Realtek RTL8111EPH-CG 10/100/1000 Ethernet NIC with DASH support
note:
The term "10/100/1000" or "Gigabit" Ethernet indicates compatibility 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.

Software/security

Specification
Description
BIOS
HP BIOSphere Gen4
HP SureStart
HP Sure Click (available on select HP platforms and supports Microsoft Internet Explorer and Chromium)
HP DriveLock/HP Automatic DriveLock
BIOS Update via Network
Master Boot Record Security
Power On Authentication
Secure Erase (methods outlined in the National Institute of Standards and Technology Special Publication 800-88)
Absolute Persistence Module1
Pre-boot Authentication
HP Wireless Wakeup
Communication/connectivity
HP Native Miracast support
HP LAN-WLAN Protection
HP Wireless Wakeup
HP Value add software
HP 3D DriveGuard
HP Velocity
HP ePrint Driver with JetAdvantage2
HP Hotkey Support - CMIT
HP Recovery Manager
HP Jumpstart
HP Support Assistant (requires Windows and internet access)
HP Noise Cancellation software
HP Performance Advisor
Microsoft products
Buy Office
Manageability
HP Driver packs (available for download)
HP System Software Manager (SSM) (available for download)
HP BIOS Configuration Utility (BCU) (available for download)
HP Client Catalog (available for download)
HP Management Integration Kit Gen2
Ivanti Management Suite (subscription required)
note:
For more information about manageability software, go to the HP Client Management Solutions webpage.
Client Security software
Microsoft Defender (opt in and internet connection required for updates)
HP Client Security Suite Gen4 (requires Windows)
HP Security Manager (including Credential Manager and HP Password Manager, and HP Spare Key)
HP Fingerprint Sensor (sold separately or as an optional feature)
Power On Authentication
HP Device Access Manager
Security
For Windows 10, Trusted Platform Module (TPM) 2.0 (Infineon SLB9670)
Common Criteria EAL4+ Certified
HP Fingerprint Reader
note:
For more information about security software and features, go to the HP Client Security Software Suite webpage.
Other standard security features
SATA 0 and 1 port disablement (via BIOS)
RAID configurations (configuration is optional and requires a second hard drive)
Serial, USB enable/disable (via BIOS)
Power-on password (via BIOS)
Setup password (via BIOS)
Support for chassis padlocks and cable lock devices
Integrated hood sensor
note:
1Absolute agent is activated when customers activate a purchased subscription. Subscriptions can be purchased for terms ranging multiple years. Service is limited, check with Absolute for availability outside the U.S. The Absolute Recovery Guarantee is a limited warranty. Certain conditions apply. Data Delete is an optional service provided by Absolute Software. If utilized, the Recovery Guarantee is null and void. In order to use the Data Delete service, customers must first sign a Pre-Authorization Agreement and either obtain a PIN or purchase one or more RSA SecurID tokens from Absolute Software.
2Requires an Internet connection to HP web-enabled printer and HP ePrint account registration. Requires optional broadband module. Broadband use requires separately purchased service contract. Check with service provider for coverage and availability in your area. Separately purchased data plans or usage fees might apply. Print times and connection speeds might vary.
note:
HP Cloud Recovery download tool (Cloud Recovery Client) is available under Software and Drivers section on the support page.

Power

Specification
Description
Power supply
Adapters
HP 45 W Smart AC Adapter
HP 45 W 2-prong Smart AC Adapter (Japan only)
HP 65 W Smart AC Adapter
45 W Straight USB Type-C AC Adapter
65 W Straight USB Type-C AC Adapter
Power cord
3-wire plug (C5), conventional 1.8 m (5.9 ft)
3-wire plug (C5), conventional 1.0 m (3.28 ft)
3-wire plug (C5), conventional 1.0 m (3.28 ft) (Japan only)
Duckhead power cord (C5) 1.0 m (3.28 ft) (for USB Type-C AC adapters)
Duckhead power cord (C5) 1.8 m (5.9 ft) (for USB Type-C AC adapters)
note:
Availability might vary by country/region.
Primary battery
HP Long Life 3-cell, 48 Wh Li-ion
note:
Battery is internal and not replaceable by customer. Serviceable by warranty.
HP Fast Charge technology (90% in 90 minutes)

Physical specifications

Specification
Description
Weight
Non-touch
Starting at 1.73 kg (3.81 lb)
Touch
Starting at 1.93 kg (4.25 lbs)
note:
Weight varies by configuration and components.
Dimensions (W x D x H)
34.01 x 23.70 x 2.69 cm (13.39 x 9.33 x 1.06 in) (front and rear)

hp-feedback-input-portlet

Actions
Loading...

hp-feedback-banner-portlet

Actions
Loading...

hp-country-locator-portlet

Actions
Loading...
Country/Region: Flag Romania

hp-detect-load-my-device-portlet

Actions
Loading...

hp-hero-support-search

Actions
Loading...