
HP ProBook 450 G9 15.6-inch Laptop – Intel Core i7-1255U 12th Gen, 16GB DDR4 RAM, 1TB SSD, Full HD Display & Intel Iris Xe Graphics
Product description
Short Product Description
The HP ProBook 450 G9 is a professional 15.6-inch business laptop designed for reliable productivity, multitasking and everyday professional computing.
Powered by the 12th Generation Intel Core i7-1255U processor, 16GB DDR4 RAM and a spacious 1TB PCIe NVMe SSD, it delivers responsive performance for business applications, Microsoft Office, web browsing, research, accounting, programming, video conferencing and everyday entertainment.
With its large Full HD display, upgradeable memory, modern wireless connectivity and business-focused security features, the ProBook 450 G9 is an excellent choice for professionals, students, entrepreneurs and organizations.

Full Product Description
The HP ProBook 450 G9 combines professional performance, practical expandability and a large 15.6-inch display in a business-oriented laptop.
At its core is the Intel Core i7-1255U, a 12th Generation processor featuring 10 cores and 12 threads with up to 4.7GHz Turbo frequency. This provides the processing capability required for office applications, multitasking, business software, research, communication and general computing.
The laptop combines 16GB DDR4-3200 memory with a high-capacity 1TB PCIe NVMe M.2 SSD, providing both responsive multitasking and generous storage for applications, documents, presentations, photographs, videos and other business files. HP officially lists 16GB DDR4 and 1TB PCIe NVMe SSD configurations for the ProBook 450 G9.
12th Generation Intel Core i7 Performance
The Intel Core i7-1255U provides a strong balance of performance and efficiency for professional computing.
Processor: Intel Core i7-1255U
Generation: 12th Generation
CPU Cores: 10
CPU Threads: 12
Maximum Turbo Frequency: Up to 4.7GHz
L3 Cache: 12MB
The processor is well suited to Microsoft Office, spreadsheets, presentations, web applications, programming, accounting software, video conferencing and multitasking.
16GB DDR4 RAM
The 16GB DDR4-3200 RAM provides sufficient capacity for demanding everyday multitasking.
Users can work across multiple browser tabs, spreadsheets, presentations, communication applications and business software without constantly having to close applications.
HP's ProBook 450 G9 platform includes two accessible DDR4 SODIMM slots and supports up to 32GB of DDR4-3200 memory, giving the laptop useful upgrade potential.
Memory: 16GB
Memory Type: DDR4
Memory Speed: 3200 MT/s
Memory Slots: 2 × SODIMM
Maximum Supported Memory: Up to 32GB
Large 1TB PCIe NVMe SSD
The 1TB PCIe NVMe M.2 SSD provides generous high-speed storage for business and personal files.
With 1TB of capacity, users have ample room for applications, documents, spreadsheets, presentations, photographs, videos, project files and other digital content.
Storage Capacity: 1TB
Storage Type: PCIe NVMe M.2 SSD
Storage Technology: NVMe
Form Factor: M.2
HP officially lists a 1TB PCIe NVMe M.2 TLC SSD among the ProBook 450 G9 storage configurations.
15.6-inch Full HD Display
The ProBook 450 G9 features a spacious 15.6-inch display, providing a comfortable workspace for productivity and entertainment.
HP offered multiple 15.6-inch Full HD panel configurations, including IPS/UWVA panels with anti-glare treatment. Depending on the exact SKU, the display may offer 250-nit/45% NTSC or a higher-quality 400-nit/100% sRGB configuration.
Display Size: 15.6 inches
Resolution: 1920 × 1080
Resolution Class: Full HD
Panel Type: IPS/UWVA on supported configuration
Surface: Anti-glare
Brightness: Configuration-dependent
Colour Gamut: Configuration-dependent
Touchscreen: Configuration-dependent
Ecommerce note: If your physical unit's product number confirms the 400-nit/100% sRGB panel, that specification can be highlighted as a premium display feature.
Intel Iris Xe Graphics
The Core i7 version of the ProBook 450 G9 supports Intel Iris Xe Graphics.
This integrated graphics solution is suitable for office applications, multimedia, streaming, presentations, web browsing, photo viewing and general productivity.
Graphics: Intel Iris Xe Graphics
Graphics Type: Integrated
Dedicated GPU: No
HP also offered selected G9 configurations with NVIDIA GeForce MX570 graphics, so the exact product number should be checked if your inventory includes a dedicated GPU.
Professional Business Design
The ProBook 450 G9 is designed for professional environments where reliability, productivity and security are important.
The 15.6-inch format provides more workspace than smaller 13- and 14-inch business laptops, making it particularly suitable for spreadsheets, accounting, presentations and multitasking.
Upgradeable Memory
A major advantage of the ProBook 450 G9 is its accessible memory architecture.
The laptop has two DDR4 SODIMM slots, allowing compatible RAM upgrades. HP specifies support for up to 32GB DDR4-3200.
This makes the laptop particularly suitable for businesses that may need additional memory capacity in the future.
Modern Wireless Connectivity
The ProBook 450 G9 supports modern wireless networking.
Depending on configuration, HP lists Intel Wi-Fi 6E with Bluetooth 5.2 or Realtek Wi-Fi 6 with Bluetooth 5.2.
This allows connection to compatible Wi-Fi networks, wireless headphones, keyboards, mice, smartphones and other peripherals.
Business Security
The ProBook family is designed with business-oriented security in mind.
Depending on configuration, features can include firmware-level security, TPM protection, BIOS security and optional biometric authentication.
These features make the ProBook 450 G9 suitable for professional and organizational environments where device security is important.
Connectivity for Work and Peripherals
The ProBook 450 G9 provides connectivity for external displays, storage devices, accessories and other peripherals.
USB, USB-C, HDMI, Ethernet and audio connectivity make it practical for office desks, meeting rooms and home-office setups.

Productivity-Focused Keyboard
The full-size keyboard is designed for everyday professional use.
The 15.6-inch chassis also provides enough space for comfortable typing and numerical data entry, making the laptop particularly useful for spreadsheets, accounting and business applications.
Specification
General
Product: HP ProBook 450 G9
Product Series: HP ProBook 450 G9
Product Type: Business Laptop
Form Factor: Clamshell Laptop
Display Size: 15.6 inches
Business Class: Yes
Processor
Processor: Intel Core i7-1255U
Processor Family: Intel Core i7
Generation: 12th Generation
CPU Cores: 10
CPU Threads: 12
Maximum Turbo Frequency: Up to 4.7GHz
L3 Cache: 12MB
Chipset: Integrated with processor
Memory
RAM: 16GB
Memory Type: DDR4
Memory Speed: 3200 MT/s
Memory Slots: 2 × SODIMM
Maximum Supported Memory: Up to 32GB
Memory Upgradeable: Yes
Dual Channel: Supported
Storage
Storage Capacity: 1TB
Storage Type: PCIe NVMe M.2 SSD
SSD Type: TLC SSD
Form Factor: M.2
Secondary Storage: Configuration-dependent
Optical Drive: None
Display
Display Size: 15.6 inches
Resolution: 1920 × 1080
Resolution Class: Full HD
Panel Technology: IPS/UWVA on supported configuration
Surface: Anti-glare
Touchscreen: Configuration-dependent
Brightness: 250 nits or 400 nits depending on panel
Colour Gamut: 45% NTSC or 100% sRGB depending on panel
Aspect Ratio: 16:9
Design: Narrow bezel
HP officially lists multiple display options for the G9, so the exact panel should be confirmed against the product number before publishing a specific brightness or colour-gamut claim.
Graphics
Graphics: Intel Iris Xe Graphics
Graphics Type: Integrated
Dedicated GPU: No on integrated configuration
Graphics Memory: Shared system memory
DirectX: DirectX 12
External Graphics Options: NVIDIA GeForce MX570/MX570A available on selected configurations
Wireless Connectivity
Wi-Fi: Wi-Fi 6 / Wi-Fi 6E depending on configuration
Bluetooth: Bluetooth 5.2
Wireless Standard: 802.11ax
Wireless Configuration: 2 × 2
Camera & Audio
Camera: HD camera on supported configuration
Camera Options: HD TNR or HD + IR depending on configuration
Microphones: Integrated microphones
Speakers: Integrated stereo speakers
Audio: Integrated business audio system
Ports & Connectivity
USB Type-C: USB-C connectivity
USB Type-A: USB-A connectivity
HDMI: HDMI 2.1
Ethernet: RJ-45 Gigabit Ethernet
Audio: Headphone/microphone combo jack
External Display: Supported
Docking: Supported through compatible connectivity
Keyboard & Input
Keyboard: HP business keyboard
Pointing Device: HP touchpad
Numeric Keypad: Configuration-dependent
Backlit Keyboard: Configuration-dependent
Fingerprint Reader: Configuration-dependent
Battery
Battery Type: HP Long Life lithium-ion polymer
Battery Options: 3-cell 42.75Wh or 3-cell 51.3Wh
Battery Life: Up to approximately 10 hours 30 minutes with 42Wh battery
Battery Life: Up to approximately 12 hours 15 minutes with 51Wh battery
Fast Charging: Supported on compatible configuration
HP notes that actual battery life varies depending on configuration, applications, wireless functionality, power-management settings and other factors.
Physical Design
Dimensions: 35.94 × 23.39 × 1.99 cm
Starting Weight: Approximately 1.74kg with 42.75Wh battery
Starting Weight: Approximately 1.79kg with 51.3Wh battery
Form Factor: 15.6-inch business laptop
Operating System
Operating System: Configuration-dependent
Available Windows Options: Windows 11 Pro, Windows 11 Home, Windows 11 Home Single Language
Other Option: FreeDOS 1.2
HP sold the ProBook 450 G9 with multiple operating-system configurations.
What's in the Box
HP ProBook 450 G9 Laptop
HP AC Power Adapter
Power Cable
Documentation
Warranty Information




