HP ProBook 450 G9 Notebook PC (723N5EA)

Core Specifications

• Operating System: Ships with FreeDOS (Windows 10/11 Pro optional)

• Processor: Intel 12th-Gen Core i5‑1235U (10‑core: 2P + 8E, up to 4.4 GHz)

• Memory: 8 GB DDR4-3200 MHz (1×8 GB, expandable via 2 SODIMM slots up to 64 GB)

• Storage: 512 GB PCIe NVMe M.2 SSD (plus second M.2 slot)

• Graphics: Intel Iris Xe integrated (dual-channel needed for full performance)

Display & Build

• Screen: 15.6″ FHD (1920 × 1080), IPS, anti-glare, narrow bezel, 250 nits brightness, ~45 % NTSC

• Size & Weight: ~359 × 234 × 19.9 mm; starts at 1.74 kg

Ports & Connectivity

• USB: 1× USB-C 10 Gbps (PD & DisplayPort 1.4); 3× USB-A 5 Gbps (1 charging, 1 power‑on)

• Video & Network: 1× HDMI 2.1b, 1× RJ‑45 Gigabit Ethernet

• Wireless: Intel Wi-Fi 6E AX211 (2×2) & Bluetooth 5.3

• Audio & Webcam: Dual stereo speakers, dual-array microphones, and 720p HD privacy webcam

• Security & Extras: Fingerprint sensor, TPM 2.0, HP Secure Erase, BIOSphere Gen6, Sure Click/Sure Sense, DriveLock, Absolute persistence module

Battery & Power

• Battery: 3‑cell 42 Wh (non-customer replaceable)

• Charger: HP Smart 65 W external AC adapter

Performance & Usability

• Cool & Quiet: Users note efficient design—fans are seldom audible under regular use

• Upgradeable Design: Dual M.2 slots and RAM slots make upgrades easy—and LaptopMedia confirms solid internal access/design

Known Issues & Community Insights

• Audio Quality: Some users report the built-in speakers are mediocre—”just barely enough for video conferencing”

• USB-C Port Issues: A few business deployment users have seen flaky USB‑C behavior (dock/display), often fixed by BIOS/motherboard updates

• Linux Compatibility: Wi‑Fi card may need driver tweaks—e.g. safety mode or Realtek/Intel driver updates on Linux

Strengths & Considerations

Verdict

The HP ProBook 450 G9 (723N5EA) is a robust, upgradeable business laptop offering modern performance, solid build, and enterprise-grade security. Ideal for office tasks, remote work, and hybrid environments. Just be aware of average speaker quality and potential USB‑C quirks—external peripherals help. Linux lovers might need to manage Wi‑Fi driver setups.