The ASUS Zenbook 14 Air (2024) UX5406SA is a premium ultraportable laptop powered by the Intel Core Ultra 7 258V, with 32GB LPDDR5X-8533 memory and Intel Arc 140V integrated graphics. It combines a 14-inch 2.8K 120Hz OLED display with a lightweight Ceraluminum chassis, a 72Wh battery and modern connectivity for users who need a capable laptop for professional work, study, travel and creative workloads.
Why Choose the ASUS Zenbook 14 Air (2024) UX5406SA?
The Zenbook 14 Air UX5406SA is designed for users who want a premium laptop that is easy to carry without giving up strong everyday performance. Its combination of efficient performance, premium build quality, an excellent viewing experience and practical mobility makes it well suited to professional work, study, travel and creative use.
- Lightweight and slim design makes it comfortable to carry for work, classes, meetings and travel
- Strong multitasking capability for professional applications, development tools and everyday productivity
- High-quality OLED viewing experience for documents, entertainment and color-sensitive creative work
- Efficient platform and large battery capacity make it practical for users who regularly work away from a desk
- Dedicated AI processing supports newer Windows and compatible AI-assisted workflows without relying entirely on the CPU or graphics processor
- Premium Ceraluminum construction provides a distinctive finish while keeping the chassis thin and lightweight
- Modern connectivity makes it easy to use external displays, storage devices and everyday accessories without turning the laptop into a bulky workstation
- Advanced cooling and selectable performance modes help balance quieter everyday use with additional performance when workloads become heavier
| Specification | Details |
|---|---|
| Brand | ASUS |
| Series | ASUS Zenbook |
| Model | UX5406SA |
| Product Name | ASUS Zenbook 14 Air (2024) |
| Global Model Name | ASUS Zenbook S 14 |
| China Market Name | ASUS Lingyao 14 Air (华硕灵耀14 Air) |
| Product Type | Premium AI-powered ultraportable laptop |
| PC Category | Windows 11 AI PC / Copilot+ PC |
Processor & Performance
| Specification | Details |
|---|---|
| Processor | Intel Core Ultra 7 258V |
| Processor Series | Intel Core Ultra Series 2 |
| CPU Architecture | Intel Lunar Lake |
| CPU Cores and Threads | 8 cores and 8 threads |
| Core Configuration | 8 cores consisting of 4 Performance cores and 4 Low-Power Efficient cores |
| Maximum Turbo Frequency | Up to 4.8GHz |
| Performance-Core Maximum Turbo Frequency | Up to 4.8GHz |
| Low-Power Efficient-Core Maximum Turbo Frequency | Up to 3.7GHz |
| Cache | 12MB Intel Smart Cache |
| CPU Lithography | TSMC N3B manufacturing process |
| Processor Base Power | 17W |
| Maximum Turbo Power | 37W |
| Processor Packaging | Memory-on-Package design |
Graphics & AI
| Specification | Details |
|---|---|
| Graphics | Intel Arc 140V integrated graphics |
| Graphics Cores | 8 Xe cores |
| Maximum Graphics Frequency | Up to 1.95GHz |
| GPU AI Performance | Up to 64 TOPS |
| NPU | Intel AI Boost |
| NPU Performance | Up to 47 TOPS |
| Overall Platform AI Performance | Up to 115 TOPS across the CPU, GPU and NPU |
| Media Support | H.264, HEVC and AV1 hardware encoding and decoding, H.266/VVC decoding and Intel Quick Sync Video |
Memory & Storage
| Specification | Details |
|---|---|
| Memory | 32GB LPDDR5X Memory on Package |
| Memory Speed | 8533MT/s |
| Memory Channels | Dual-channel |
| Maximum Memory | 32GB |
| RAM Upgrade | Not user-upgradable |
| Storage | 512GB or 1TB M.2 NVMe PCIe 4.0 SSD |
| SSD Slot | 1 × M.2 2280 PCIe 4.0 ×4 |
Display
| Specification | Details |
|---|---|
| Display Size | 14 inches |
| Display Technology | ASUS Lumina OLED |
| Display Classification | 2.8K HDR OLED |
| Display Resolution | 2.8K (2880 × 1800) |
| Aspect Ratio | 16:10 |
| Refresh Rate | 120Hz with Variable Refresh Rate |
| Response Time | 0.2ms |
| Color Gamut | 100% DCI-P3; approximately 133% sRGB equivalent |
| Professional Color Modes | sRGB, DCI-P3, Display P3 and Native |
| Color Accuracy | ΔE < 1, individually factory calibrated |
| Color Certification | PANTONE Validated |
| Color Depth | 10-bit, approximately 1.07 billion colors |
| HDR Peak Brightness | Up to 600 nits |
| Contrast Ratio | 1,000,000:1 |
| Black Level | As low as 0.0005 nits |
| HDR Certification | VESA DisplayHDR True Black 600 |
| HDR Technologies | Windows HDR and Dolby Vision |
| Low-Blue-Light Technology | Hardware-level low-blue-light technology with approximately 70% reduced harmful blue light |
| Eye-Care Certifications | TÜV Rheinland low-blue-light and flicker-free certification; SGS Eye Care certification |
| OLED Protection | ASUS OLED Care |
| Ambient-Light Sensor | Supported |
| Automatic Display Adjustment | Automatic brightness and color-temperature adjustment |
Keyboard, Touchpad, Camera & Audio
| Specification | Details |
|---|---|
| Keyboard | Backlit chiclet keyboard with Windows and Microsoft Copilot keys |
| Touchpad | Large 5.9-inch precision touchpad with a smooth, fingerprint-resistant coating |
| Touchpad Sampling Rate | 240Hz |
| Touchpad Gestures | Edge gestures for volume, screen brightness and video-timeline control |
| Webcam | 1080p Full HD infrared AI camera |
| Camera Features | 3D Noise Reduction and intelligent portrait processing |
| Facial Recognition | Windows Hello facial-recognition login through the infrared camera |
| Speaker System | Four-speaker audio system |
| Speaker Configuration | Two woofers and two tweeters |
| Audio Technologies | Dolby Atmos and Harman Kardon-tuned sound |
| Microphone | Built-in array microphone with AI noise canceling |
Connectivity & Ports
| Specification | Details |
|---|---|
| Wi-Fi | Wi-Fi 7 (802.11be), tri-band 2×2 |
| Bluetooth | Bluetooth 5.4 |
| Thunderbolt 4 | 2 × Thunderbolt 4 ports with up to 40Gbps data transfer, display output and USB-C Power Delivery |
| USB-A | 1 × USB 3.2 Gen 2 Type-A port with up to 10Gbps data transfer |
| HDMI | 1 × HDMI 2.1 TMDS |
| Audio Jack | 1 × 3.5mm combo audio jack |
Cooling & Performance Modes
| Specification | Details |
|---|---|
| Cooling System | Dual fans, ultra-thin vapor chamber and geometric ventilation grille |
| Performance Mode Power | Up to approximately 28W under sustained heavy workloads |
| Quiet Operation | Advertised below 25dB during light workloads |
| Fan Modes | Whisper, Standard, Performance and Full Speed |
| Ventilation Design | Geometric ventilation grille designed to improve airflow through the ultra-thin chassis |
Design & Portability
| Specification | Details |
|---|---|
| Chassis Material | ASUS Ceraluminum high-tech ceramic-aluminum construction |
| Material Finish | Ceramic-inspired finish applied to the metal chassis |
| Chassis Construction | CNC-machined unibody construction |
| Exterior Design | Minimalist geometric-line lid design |
| Hinge | Concealed hinge |
| Dimensions | Approximately 31.03 × 21.47 × 1.10cm |
| Thickness | Approximately 1.1cm at the thinnest point |
| Weight | Approximately 1.15kg |
| Durability | US MIL-STD-810H military-grade testing |
Battery & Charging
| Specification | Details |
|---|---|
| Battery | 72Wh 4-cell lithium-ion battery |
| Power Adapter | 65W USB-C AC adapter |
| Charging | USB-C Power Delivery through the Thunderbolt 4 ports |
Software, Security & Warranty
| Specification | Details |
|---|---|
| Operating System | Windows 11 Home |
| ASUS Software | MyASUS, ScreenXpert, GlideX and StoryCube |
| Security | Windows Hello facial recognition through the infrared camera |
| Warranty | Coverage depends on the warranty option selected with the product |
Intel Core Ultra 7 258V Performance
The Intel Core Ultra 7 258V is an efficiency-focused Lunar Lake processor with 8 cores and 8 threads, including 4 Performance cores and 4 Low-Power Efficient cores. With a maximum turbo frequency of 4.8GHz and 12MB Intel Smart Cache, it is well suited to office applications, programming, browser-heavy workflows, content creation and everyday multitasking.
Its 17W processor base power, integrated LPDDR5X memory and dedicated NPU are designed around mobile efficiency, making the platform particularly suitable for a thin-and-light laptop where battery life and portability matter alongside performance.
Intel Arc 140V Graphics and AI Performance
Intel Arc 140V is an integrated GPU with 8 Xe cores and a maximum graphics frequency of 1.95GHz. It supports modern media acceleration, including AV1 hardware encoding and decoding, and provides enough graphics performance for productivity, high-resolution media, creative applications and lighter gaming.
The Intel AI Boost NPU delivers up to 47 TOPS for supported AI workloads. Together with the CPU and Arc 140V GPU, the Core Ultra 7 258V platform provides up to 115 TOPS of overall AI performance and supports Copilot+ PC experiences.
ASUS Zenbook 14 Air UX5406SA Benchmark Reference
Independent testing of the Zenbook S 14 UX5406 with the same Core Ultra 7 258V, Arc 140V, 32GB LPDDR5X memory and 1TB SSD provides a useful reference for this configuration’s performance.
- Cinebench 2024 Multi-Core: 497 points in Standard mode
- 3DMark Time Spy Graphics: 3,669 points in Standard mode
- Geekbench 6: approximately 2,688 single-core and 10,349 multi-core in a recent UX5406SA result
Benchmark results vary with performance mode, BIOS, drivers, cooling conditions and background applications, so individual systems may produce different scores.
2.8K 120Hz ASUS Lumina OLED Display
The 14-inch 2880 × 1800 OLED display combines a 16:10 aspect ratio with a 120Hz refresh rate, providing more vertical workspace for documents, websites, spreadsheets and creative applications while keeping scrolling and motion smooth.
Its 100% DCI-P3 color gamut, 10-bit color depth, PANTONE validation and high OLED contrast make the display particularly relevant for photography, design, media consumption and other color-focused work.
32GB LPDDR5X-8533 Memory and PCIe 4.0 Storage
The 32GB LPDDR5X-8533 memory provides substantial capacity for multitasking with browsers, office applications, development tools and creative software running together. The memory is integrated into the processor package and cannot be upgraded later.
SidTech offers 512GB and 1TB PCIe 4.0 SSD options on this product page. Storage uses an M.2 NVMe PCIe 4.0 interface, allowing the installed SSD to be replaced with a compatible higher-capacity drive if additional storage is needed later.
Ceraluminum Design, Cooling and Portability
The Zenbook 14 Air uses ASUS Ceraluminum on its premium all-metal chassis, combining a ceramic-inspired surface with a thin CNC-machined design. At approximately 1.15kg and as thin as 1.1cm, it is designed for professionals, students and travellers who regularly carry their laptop.
Inside the thin chassis, ASUS uses dual fans, a vapor chamber and a geometric ventilation grille. Multiple fan profiles allow users to prioritize quieter everyday operation or additional cooling performance when running heavier workloads.
Who Is the ASUS Zenbook 14 Air (2024) UX5406SA For?
The Zenbook 14 Air UX5406SA is suited to buyers who prioritize portability, battery efficiency, display quality and strong everyday performance in a premium 14-inch laptop.
- Professionals and business users working with office applications, presentations, spreadsheets and frequent multitasking
- University students who want a lightweight laptop with 32GB memory for study and long-term use
- Programmers and developers using IDEs, browser-based tools and multiple applications together
- Photographers, designers and content creators who benefit from the 2.8K OLED display and wide DCI-P3 color gamut
- Frequent travellers who prioritize a thin 1.15kg chassis, 72Wh battery and USB-C charging
ASUS Zenbook 14 Air (2024) UX5406SA Price in Bangladesh
The ASUS Zenbook 14 Air (2024) UX5406SA price in Bangladesh depends on the selected SSD and warranty option. SidTech offers 512GB and 1TB storage choices for this Core Ultra 7 258V, 32GB RAM configuration. Select your preferred option above to view the current price and available warranty coverage.
Frequently Asked Questions
Can the RAM be upgraded on the ASUS Zenbook 14 Air UX5406SA?
No. The 32GB LPDDR5X-8533 memory is integrated into the processor package and cannot be upgraded later.
Can the SSD be upgraded on the ASUS Zenbook 14 Air UX5406SA?
Yes. The laptop uses an M.2 NVMe PCIe 4.0 SSD, which can be replaced with a compatible higher-capacity drive.
Does the ASUS Zenbook 14 Air UX5406SA have dedicated graphics?
No. It uses Intel Arc 140V integrated graphics built into the Intel Core Ultra 7 258V platform.
Is the ASUS Zenbook 14 Air UX5406SA touchscreen?
No. This configuration uses a non-touch 14-inch 2.8K 120Hz OLED display.
What storage options are available for the ASUS Zenbook 14 Air UX5406SA?
SidTech offers 512GB and 1TB PCIe 4.0 SSD options for this model. Select the required storage capacity before placing your order.
What warranty is available with the ASUS Zenbook 14 Air UX5406SA?
Warranty coverage depends on the warranty option selected with the product. Check the selected warranty plan before placing your order.

Reviews
Clear filtersThere are no reviews yet.