Product Type | Business Laptop |
Model | Portege X40-K3431 |
Processor | 13th Gen Intel Core i5-1340P |
Processor Base Frequency | 1.9 GHz |
Processor Max Turbo Frequency | 4.6 GHz |
Processor Cores / Threads | 12 cores / 16 threads |
Operating System | Windows 11 Pro |
Chipset | Intel Integrated SoC |
System Memory | 8GB LPDDR5 |
Memory Type | LPDDR5 5200MHz (onboard) |
Storage | 256GB PCIe NVMe SSD |
Storage Type | M.2 PCIe Gen4 SSD |
Display Size | 14.0 inches |
Display Resolution | 1920 x 1080 (Full HD) |
Display Type | Anti-glare IPS |
Integrated Graphics | Intel Iris Xe Graphics |
Keyboard | Backlit Keyboard |
Webcam | HD Webcam with Privacy Shutter |
Audio | Dolby Atmos with stereo speakers |
Microphone | Dual-array microphones |
Battery Type | 4-cell Li-ion |
Battery Capacity | 53Wh |
Battery Life | Up to 10.4 hours |
Power Adapter | 65W USB-C AC Adapter |
Weight | 1.45 kg (3.20 lbs) |
Dynabook Portege X40-K3431, i5-1340P, 14" FHD, 8GB, 256GB SSD, Win 11 Pro


Key Benefits

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- Equipped with a high-performance Intel Core i5-1340P CPU and 8GB DDR4 RAM for demanding workflows
- Includes Intel Wi-Fi 6E and a privacy-focused webcam, ideal for remote work and secure video conferencing
- Supported by a 3-year Dynabook +Care On-Site Service, ensuring greater uptime and professional care
Product Overview
The Dynabook Portege X40-K3431 is a powerful and secure business-class laptop designed for productivity and mobility. Equipped with a 13th Gen Intel Core i5-1340P processor and a 14.0-inch Full HD display, it delivers sharp visuals and responsive performance. Featuring 8GB DDR4 memory and a 256GB PCIe SSD, it ensures fast boot times and efficient task handling.
With Intel Wi-Fi 6E AX211, Bluetooth capability, and a privacy webcam, it supports secure, modern communication and collaboration. Running on Windows 11 Pro and including a 3-year Dynabook +Care On-Site Service, this device offers a dependable and professional experience ideal for mobile users. While TAA compliance is not present, the Portege X40-K3431 remains a valuable option for business and enterprise use.
Specifications
Product Overview
Wireless Features
Wi-Fi Standard | Wi-Fi 6E (802.11ax) |
Wi-Fi Controller | Intel Wi-Fi 6E AX211 |
Bluetooth | Bluetooth 5.2 |
Wireless Antennas | 2x2 MU-MIMO |
Compliance & Origin
Country of Origin | China |
TAA Compliance | No |
Energy Star Certified | Yes |
EPEAT Rating | EPEAT Gold |
RoHS Compliant | Yes |
Green Certifications | ENERGY STAR 8.0, EPEAT Gold |
Advanced Security Features
Trusted Platform Module (TPM) | Firmware TPM 2.0 |
Fingerprint Reader | Yes |
IR Camera for Facial Recognition | Yes (Windows Hello Compatible) |
BIOS Features | User and supervisor password, Secure Boot, Computrace support |
Lock Slot | Kensington Security Slot |
Interfaces
USB Ports | 2 x USB 3.2 Gen 1, 2 x USB 4.0 Type-C with Thunderbolt 4 |
HDMI | 1 x HDMI 2.1 |
Audio Combo Jack | 1 x 3.5mm Headphone/Mic Combo |
MicroSD Card Reader | Yes |
Ethernet | Via USB-C adapter (not included) |
Security Slot | Kensington Nano Security Slot |
Physical & Environmental
Dimensions (W x D x H) | 321 x 220 x 17.9 mm (12.64 x 8.66 x 0.70 in) |
Chassis Material | Aluminum Blue |
Operating Temperature | 5°C to 35°C (41°F to 95°F) |
Non-operating Temperature | -20°C to 60°C (-4°F to 140°F) |
Humidity (Operating) | 20% to 80% RH (non-condensing) |
Humidity (Non-operating) | 10% to 90% RH (non-condensing) |
Cloud Management & Licensing
Cloud Features | Microsoft OneDrive integration, Windows Autopilot ready |
License Type | OEM License |
Support Program | Dynabook +Care Service (3-Year On-Site) |