Data sheet

HP EliteBook 645 14 inch G9

Notebook PC
Get back to business

The HP EliteBook 645 easily fits your

enterprise fleet as a cost-effective, powerful,
and highly secure PC that that provides end-
users the features needed to navigate hybrid
work scenarios.

*Product image may differ from actual product

Make connections that matter

HP recommends Windows 11 Pro for Take collaboration to the professional level with optional 4G3 connectivity and audio/video
business enhancers powered by HP Presence4 on the HP EliteBook 645. Enjoy the crystal-clear audio
performance delivered by HP Dynamic Audio5 and AI-based noise reduction 2.0.6

Protected by HP Wolf Security

HP Wolf Security for Business creates a hardware-enforced, always-on, resilient defense.
From the BIOS to the browser, above, in, and below the OS, these constantly evolving
solutions help protect your PC from modern threats.7

Fast and responsive performance

The globally available HP ProBook 645 is equipped with the latest AMD processor2 and has
connected Modern Standby to get you back to work in seconds. Wirelessly transfer
documents, photos and more from your phone with HP QuickDrop.8

Optimized for video calls in low-lighting conditions. The HD camera provides visual clarity,
while temporal noise reduction lowers the effects of visual noise and pixelation, allowing
increased definition so you can capture all the details.6
AI-based noise reduction 2.0 improves collaboration by applying industry-leading noise-
filtering technology to all audio input, giving you an enhanced audio and video conferencing
experience even while wearing a mask.6
Backlight WDR includes quality dual image sensors, working together to balance the
background and foreground lighting and contrast. Make sure you can clearly be seen
without blurring out the background.6
Upscale your resolution and bring new dimension to your images. With Super Resolution,
you can automatically upscale your camera resolution from HD (720p) to FHD (1080p) in a
snap.6
If your travel schedule is going to keep you on the road, then consider configuring your PC
with an optional larger battery that can keep you productive.9
Take more of your files with you on the road with an optional second SSD drive.9
Work with a powerful, highly secure, and reliable AMD processor that helps defend against
cold boot attacks with real-time encryption and decryption of your system’s memory.2
Your “office” can be where you need it, letting you stay connected almost everywhere with
support for optional gigabit class CAT 9 4G LTE wireless broadband technology.3
Know if someone has tried to open the cover of your PC thanks to a tamper lock intrusion
detection system.10
Data sheet | HP EliteBook 645 14 inch G9 Notebook PC HP recommends Windows 11 Pro for business

HP EliteBook 645 14 inch G9 Notebook PC Specifications Table

*Product image may differ from actual product

Windows 11 Pro1
Windows 11 Pro Education1
Windows 11 Home – HP recommends Windows 11 Pro for business1
Available Operating Systems Windows 11 Home Single Language1
Windows 11 Pro (Windows 11 Enterprise available with a Volume Licensing Agreement)1
Windows 10 Pro (available through downgrade rights from Windows 11 Pro)1,2
FreeDOS
Processor family6 AMD Ryzen™ processor
AMD Ryzen™ 7 PRO 5875U with AMD Radeon™ Graphics (2.0 GHz base clock, up to 4.5 GHz max boost clock, 16 MB L3 cache, 8 cores, 16 threads); AMD Ryzen™ 7 5825U with AMD
Radeon™ Graphics (2.0 GHz base clock, up to 4.5 GHz max boost clock, 16 MB L3 cache, 8 cores, 16 threads); AMD Ryzen™ 5 PRO 5675U with AMD Radeon™ Graphics (2.3 GHz base clock,
Available Processors3,4,5,6
up to 4.3 GHz max boost clock, 16 MB L3 cache, 6 cores, 12 threads); AMD Ryzen™ 5 5625U with AMD Radeon™ Graphics (2.3 GHz base clock, up to 4.3 GHz max boost clock, 16 MB L3
cache, 6 cores, 12 threads); AMD Ryzen™ 3 5425U with AMD Radeon™ Graphics (2.7 GHz base clock, up to 4.1 GHz max boost clock, 8 MB L3 cache, 4 cores, 8 threads)
64 GB DDR4-3200 MHz RAM
7
Maximum memory
Both slots are customer accessible/upgradeable. Supports dual channel memory.
Memory slots 2 SODIMM
256 GB
up to
1 TB
PCIe® Gen4x4 NVMe™ M.2 SSD TLC8,9
256 GB
up to
512 GB
PCIe® Gen4x4 NVMe™ M.2 SED SSD TLC8,9
Internal storage
256 GB
up to
512 GB
PCIe® NVMe™ M.2 SSD8
128 GB
up to
256 GB
PCIe® NVMe™ Value M.2 SSD8,44
Display size (diagonal, metric) 35.6 cm (14")
14" diagonal, FHD (1920 x 1080), IPS, narrow bezel, anti-glare, 250 nits, 45% NTSC; 14" diagonal, FHD (1920 x 1080), touch, narrow bezel, anti-glare, 250 nits, 45% NTSC; 14" diagonal, FHD
(1920 x 1080), IPS, narrow bezel, anti-glare, 1000 nits, 100% sRGB, HP Sure View integrated privacy screen; 14" diagonal, HD (1366 x 768), SVA, anti-glare, 250 nits, 45% NTSC; 14"
diagonal, FHD (1920 x 1080), IPS, narrow bezel, anti-glare, 400 nits, 100% sRGB15,16,17,18

Display

35.6 cm (14") diagonal, FHD (1920 x 1080), touch, narrow bezel, anti-glare, 250 nits, 45% NTSC; 35.6 cm (14") diagonal, FHD (1920 x 1080), IPS, narrow bezel, anti-glare, 1000 nits, 100%
sRGB, HP Sure View integrated privacy screen; 35.6 cm (14") diagonal, FHD (1920 x 1080), IPS, narrow bezel, anti-glare, 250 nits, 45% NTSC; 35.6 cm (14") diagonal, HD (1366 x 768), SVA,
anti-glare, 250 nits, 45% NTSC; 35.56 cm (14") diagonal, FHD (1920 x 1080), IPS, narrow bezel, anti-glare, 400 nits, 100% sRGB 15,16,17,18
Integrated:
AMD Radeon™ Graphics15
Available Graphics
(Support HD decode, DX12, HDMI 2.1b.)
Audio Dual stereo speakers, dual array microphones
3 SuperSpeed USB Type-A 5Gbps signaling rate (1 charging); 1 USB4™ Type-C® 40Gbps signaling rate (USB Power Delivery, DisplayPort™ 1.4); 1 RJ-45; 1 headphone/microphone combo; 1
HDMI 2.1b; 1 AC power14
;
Ports and Connectors
(HDMI cable sold separately.);
Optional Ports: 1 Smartcard reader (optional); 1 External Nano SIM slot for WWAN45
Input devices HP Premium Keyboard – spill-resistant with optional backlit keyboard13;
Clickpad with multi-touch gesture support;
Realtek RTL8111HSH GbE; Realtek RTL8111FPH GbE
38;
Qualcomm® Wi-Fi 6E WCN6856 (2x2) and Bluetooth® 5.2 combo; Realtek Wi-Fi 6 RTL8852BE 802.11a/b/g/n/ax (2x2) and
Communications
Bluetooth®️5.2 combo
10,11,12;
Intel® XMM™ 7560 LTE Advanced Pro Cat 16
;
NFC Mirage WNC XRAV-1
Camera 720p HD camera with temporal noise reduction (select models); IR camera 15
HP Connection Optimizer; HP Hotkey Support; HP MAC Address Manager; HP PC Hardware Diagnostics UEFI; HP Support Assistant; HP Power Manager; myHP; HP Privacy Settings; HSA Fusion
Software
for Commercial; HSA Telemetry for Commercial; Touchpoint Customizer for Commercial; HP Notifications; HP QuickDrop; HP Quick Touch; Buy Office (Sold separately)19,20
Available software HP Smart Support57
Absolute persistence module; HP DriveLock and Automatic DriveLock; HP Secure Erase; HP Sure Click; HP Sure Sense; BIOS Update via Network; HP Sure Admin; HP BIOSphere Gen6; HP
Security management Client Security Manager Gen7; Secured-core PC capable; TPM 2.0 embedded security chip (Common Criteria EAL4+ and FIPS 140-2 Level 2 Certified); HP Sure Start Gen7; HP Wake on WLAN;
HP Tamper Lock; HP Sure Run Gen5; HP Sure Recover Gen5;23,24,25,26,27,28,29,30,31,32,39,40
Security Software Licenses HP Wolf Pro Security Edition56
Fingerprint reader Fingerprint sensor (select models)
HP Client Management Script Library (download); HP Driver Packs (download); HP Client Catalog (download); HP Manageability Integration Kit Gen4 (download); HP Image Assistant Gen5
Management features
(download); HP Patch Assistant (download); HP Cloud Recovery; HP Connect for Microsoft Endpoint Manager21,22,41,42,43
HP Smart 65 W External AC power adapter; HP Smart 65 W EM External AC power adapter; HP Smart 45 W External AC power adapter; HP Smart 45 W 2-prong External AC power adapter;
Power
HP Smart 65 W USB Type-C® adapter; HP Smart 45 W USB Type-C® adapter34
Battery type HP Long Life 3-cell, 42.75 Wh polymer; HP Long Life 3-cell, 51.3 Wh polymer33
Dimensions 12.67 x 8.42 x 0.78 in
32.19 x 21.39 x 1.99 cm
Weight Starting at 3.03 lb
Starting at 1.37 kg
(Weight will vary by configuration. Does not include power adapter.)
Ecolabels EPEAT® registered configurations available36
Energy star certified (series fixed) ENERGY STAR® certified
Certification and compliance CCC; CECP; GS Mark
Sustainable impact specifications Low Halogen37
HP Services offers 1-year or 3-year limited warranties and 90 day software limited warranty options depending on country. Batteries have a default one year limited warranty. Refer to
http://www.hp.com/support/batterywarranty/ for additional battery information. On-site service and extended coverage is also available. HP Care Pack Services are optional extended
Warranty
service contracts that go beyond the standard limited warranties. To choose the right level of service for your HP product, use the HP Care Pack Services Lookup Tool at:
http://www.hp.com/go/cpc .

 
Data sheet | HP EliteBook 645 14 inch G9 Notebook PC HP recommends Windows 11 Pro for business

HP EliteBook 645 14 inch G9 Notebook PC

Accessories and services (not included)

Make a great impression on video calls on this 23.8-inch full HD conferencing monitor. The
HP E24mv G4 FHD Conferencing integrated, 5MP tilt-adjustable pop-up webcam displays a sharp, detailed picture – even in low
light – and the built-in speakers and mic produce clear, life-like sound. Everything you need to
Monitor present your best self on every call. 1
Product number: 169L0AA

Commute with a stylish and durable backpack thoughtfully designed with the environment in
HP Prelude Pro 15.6-inch Recycled mind and made with recycled fabric1. The HP Prelude Pro Recycled Backpack comes with
safety features for your peace of mind when you carry your devices from work to home and
Backpack beyond.
Product number: 1X644AA

Experience a keyboard and mouse combo that’s comfortable, sleek and quiet. Now you can be
HP 235 Wireless Mouse and at your most efficient with the least amount of noise. Plus, with keyboard shortcuts and long-
Keyboard Combo lasting batteries, you can stay productive all day long.
Product number: 1Y4D0AA

Reinvent docking and boost productivity with our most versatile Thunderbolt™ dock, the
small, sophisticated HP Thunderbolt Dock G2. Designed for workspace flexibility and network
HP Thunderbolt Dock 120W G2 manageability1, it delivers USB-C™2 device connectivity and optional integrated audio.3
Product number: 2UK37AA
Data sheet | HP EliteBook 645 14 inch G9 Notebook PC HP recommends Windows 11 Pro for business

HP EliteBook 645 14 inch G9 Notebook PC

Messaging Footnotes
2
Multi-core is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your
hardware and software configurations. AMD’s numbering is not a measurement of clock speed.
3
Gigabit class 4G LTE module is optional and must be configured at the factory. Module designed for up to 1 Gbps download speeds as carriers deploy 5 carrier aggregation and 100Mhz channel bandwidth, requires activation and separately purchased service
contract. Backwards compatible to HSPA 3G technologies. Check with service provider for coverage and availability in your area. Connection, upload and download speeds will vary due to network, location, environment, network conditions, and other factors. 4G LTE
not available on all products, in all regions.
4
HP Presence requires myHP application and Windows OS.
5
HP Dynamic Audio requires Windows 10 and higher, compatible with internal PC speakers and analog headsets.
6
Requires the myHP application and Windows OS.
7
HP Wolf Security for Business requires Windows 10 and higher, includes various HP security features and is available on HP Pro, Elite, Workstation, and RPOS products. See product details for included security features and OS requirements.
8
Requires Internet access and Windows 10 and higher PC preinstalled with HP QuickDrop app and either an Android device (phone or tablet) running Android 7 or higher with the Android HP QuickDrop app, and /or an iOS device (phone or tablet) running iOS 12 or
higher with the iOS HP QuickDrop app.
9
Optional feature must be configured at the time of purchase.
10
HP Tamper Lock must be enabled by the customer or your administrator.

Technical Specifications Footnotes

1 Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. Windows is automatically updated and
enabled. High speed internet and Microsoft account required. ISP fees may apply and additional requirements may apply over time for updates. See http://www.windows.com .
2 This system is preinstalled with Windows 10 Pro software and also comes with a license for Windows 11 Pro software and provision for recovery software. You may only use one version of the Windows software at a time. Switching between versions will require
you to uninstall one version and install the other version. You must back up all data (files, photos, etc.) before uninstalling and installing operating systems to avoid loss of your data.
3 Multicore is designed to improve performance of certain software products. Not all customers or software applications will necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application workload and your
hardware and software configurations. AMD’s numbering is not a measurement of clock speed.
4 Processor speed denotes maximum performance mode; processors will run at lower speeds in battery optimization mode.
5 AMD Max Boost frequency performance varies depending on hardware, software and overall system configuration.
6 In accordance with Microsoft’s support policy, HP does not support the Windows 8 or Windows 7 operating system on products configured with Intel and AMD 7th generation and forward processors or provide any Windows 8 or Windows 7 drivers on
http://www.support.hp.com .
7 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.
8 For storage drives, GB = 1 billion bytes. TB = 1 trillion bytes. Actual formatted capacity is less. Up to 30 GB (for Windows 10 and 11) is reserved for system recovery software.
9 Only functions at the Gen3x4 capacity with AMD Ryzen Barcelo processor.
10 Wireless access point and Internet service required and sold separately. Availability of public wireless access points limited. Wi-Fi 6 (802.11ax) is backwards compatible with prior 802.11 specs.
11 Wi-Fi 6E requires a Wi-Fi 6E router, sold separately, to function in the 6GHz band. Availability of public wireless access points limited. Wi-Fi 6E is backwards compatible with prior 802.11 specs. And available in countries where Wi-Fi 6E is supported.
12 WWAN module is an optional feature, requires factory configuration and requires separately purchased service contract. Check with service provider for coverage and availability in your area. Connection speeds will vary due to location, environment, network
conditions, and other factors. 4G LTE not available on all products, in all regions.
13 Backlit keyboard is an optional feature.
14 SuperSpeed USB 20Gbps is not available with Thunderbolt™ 4.
15 HD content required to view HD images.
16 Resolutions are dependent upon monitor capability, and resolution and color depth settings.
17 HP Sure View Reflect integrated privacy screen is an optional feature that must be configured at purchase and is designed to function in landscape orientation.
18 Actual brightness will be lower with touchscreen or Sure View.
19 HP Support Assistant requires Windows and Internet access.
20 HP Quick Drop requires Internet access and Windows 10 PC preinstalled with HP QuickDrop app and either an Android device (phone or tablet) running Android 7 or higher with the Android HP QuickDrop app, and /or an iOS device (phone or tablet) running iOS 12 or
higher with the iOS HP QuickDrop app.
21 HP Driver Packs not preinstalled, however available for download at http://www.hp.com/go/clientmanagement .
22 HP Manageability Integration Kit can be downloaded from http://www.hp.com/go/clientmanagement .
23 Absolute agent is shipped turned off, and will be 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. For full details visit: http://www.absolute.com/company/legal/agreements/ computrace-agreement . 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.
24 HP Client Security Manager Gen7 requires Windows and is available on the select HP Elite and Pro PCs.
25 HP Secure Erase for the methods outlined in the National Institute of Standards and Technology Special Publication 800-88 "Clear" sanitation method. HP Secure Erase does not support platforms with Intel® Optane™.
26 HP Sure Click requires Windows 10. See https://bit.ly/2PrLT6A_SureClick for complete details.
27 HP Sure Sense is available on select HP PCs with Windows 10 Pro, Windows 10 Enterprise, Windows 11 Pro, or Windows 11 Enterprise OS.
28 HP Sure Admin requires Windows 10, HP BIOS, HP Manageability Integration Kit from http://www.hp.com/go/clientmanagement and HP Sure Admin Local Access Authenticator smartphone app from the Android or Apple store.
29 HP BIOSphere Gen6 features may vary depending on the platform and configuration.
30 HP Sure Run Gen5 is available on select HP PCs and requires Windows 10 and higher.
31 HP Sure Recover Gen5 with Embedded Reimaging is an optional feature which requires Windows 10 and must be configured at purchase. You must back up important files, data, photos, videos, etc. before use to avoid loss of data. Network based recovery using

Wi-Fi is only available on PC’s with Intel Wi-Fi Module.

32 HP Sure Start Gen7 is available on select HP PCs and requires Windows 10 and higher.
33 Actual battery Watt-hours (Wh) will vary from design capacity. Battery capacity will naturally decrease with shelf life, time, usage, environment, temperature, system configuration, loaded apps, features, power management settings and other factors.
34 Availability may vary by country.
35 HP Care Packs are sold separately. Service levels and response times for HP Care Packs may vary depending on your geographic location. Service starts on date of hardware purchase. Restrictions and limitations apply. For details, visit www.hp.com/go/cpc . HP
services are governed by the applicable HP terms and conditions of service provided or indicated to Customer at the time of purchase. Customer may have additional statutory rights according to applicable local laws, and such rights are not in any way affected by the
HP terms and conditions of service or the HP Limited Warranty provided with your HP Product.
36 Based on US EPEAT® registration according to IEEE 1680.1-2018 EPEAT®. EPEAT® status varies by country. Visit www.epeat.net for more information.
37 External power supplies, power cords, cables and peripherals are not Low Halogen. Service parts obtained after purchase may not be Low Halogen.
38 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.
39 Secured-core PC requires an AMD Ryzen™ Pro processor with SD850 or higher and requires 8 GB or more system memory. Secured-core PC is enabled from the factory.
40 HP Fingerprint sensor is an optional feature that must be configured at purchase.
41 HP Patch Assistant available on select HP PCs with the HP Manageability Kit that are managed through Microsoft System Center Configuration Manager. HP Manageability Integration Kit can be downloaded from
http://www8.hp.com/us/en/ads/clientmanagement/overview.html .
42 HP Cloud Recovery is available for Z by HP, HP Elite and Pro desktops and laptops PCs with Intel® or AMD processors and requires an open, wired network connection. Note: You must back up important files, data, photos, videos, etc. before use to avoid loss of data.
Detail please refer to: https://support.hp.com/us-en/document/c05115630 .
43 HP Connect for Microsoft Endpoint Manager is available from the Azure Market Place for HP Pro, Elite, Z and Point-of-Sale PCs managed with Microsoft Endpoint Manager. Subscription to Microsoft Endpoint Manager required and sold separately. Network
connection required.
44 Second storage is only available with non-WWAN base unit and Primary M.2 storage.
45 SIM slot is not user accessible without WWAN configuration.
56 HP Wolf Security for Business requires Windows 10 or higher, includes various HP security features and is available on HP Pro, Elite, RPOS and Workstation products. See product details for included security features and OS requirement.

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© Copyright 2022 HP Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the
express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial
errors or omissions contained herein.
 
AMD and Radeon are trademarks of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and used by HP Inc. under license. DisplayPort™ and the DisplayPort™ logo are
trademarks owned by the Video Electronics Standards Association (VESA®) in the United States and other countries. USB Type-C® and USB-C® are registered trademarks of USB Implementers
Forum. SDXC is a registered trademark of SD-3C in the United States, other countries or both. ENERGY STAR is a registered trademark of the U.S. Environmental Protection Agency. All other
trademarks are the property of their respective owners.
January 2022
DOC-M