Important information: Kindly note that specifications differ between models. Features, options and accessories displayed below this paragraph are not included with this product unless it has been specified in the above description.

Please remember these important points when reading the information below this paragraph: Operating systems cannot be removed or changed, bags and mice are not included with laptops, free Anti-virus and Office Software are trial versions or may have limited features and an additional license needs to be purchased to activate the full product.

Features:

The master of lightness and power
The worlds lightest 14" business laptop

Take charge of the business world with ASUS ExpertBook B9. Its sleek, precision-crafted and minimalist chassis pushes the limits of lightness for ultimate portability, while giving it a toughness that has no equal. Its built for serious travel with an amazing all-day battery life, and is engineered with many cutting-edge technologies to improve your on-the-go work efficiency. These include a 11th Gen Intel Core vPro processor, AI noise cancellation, dual-SSD RAID support, ASUS NumberPad 2.0 and built-in proximity sensor. Enterprise-grade security ensures your confidential data is kept safe, making it easy to see why ExpertBook B9 is the benchmark for business laptops. Extremely portable, powerful and tough, its your ideal partner in the corporate world.

Thin & light - Lighter, stronger, and more portable
Weve trimmed all excess bulk from ExpertBook B9 and encased it in a durable, magnesium-lithium alloy chassis, so it weighs a featherlight 880 g. Superslim bezels enable a 14 inch display to fit into ExpertBook B9s 13 inch class chassis, making it extremely compact. Slip your ExpertBook B9 into a briefcase so itʹs with you all the time for productivity in and out of the office.

Performance - Get the job done, effortlessly
No task is too great for the ultracompact ExpertBook B9: it helps you get work done as quickly and efficiently as possible. Itʹs powered by up to 11th gen Intel Core i7 vPro processor with Iris X graphics and superfast intel WiFi 6, providing quick and responsive computing, network and graphical performance with enterprise-grade manageability. It also features two SSDs to provide huge up to dual 2 TB capacity and faster speed, and supports RAID technology for improved data reliability or faster operation. ExpertBook B9 is also a verified Intel Evo laptop, so you can be assured it offers the very best in performance, efficiency, and connectivity.

Battery - Lasts longer, charges faster
ExpertBook B9 will never let you down throughout the business day or a long-haul flight. It provides all-day battery life on a single charge, aided by energy-efficient Panel Self Refresh technology. On top of that, fast-charge technology lets you recharge the battery to up to 60% capacity in as little as 39 minutes, so youre up and running in no time.

I/O Ports - Comprehensive connectivity with no compromise
Despite its thin profile, ExpertBook B9 is loaded with I/O ports. These include cutting-edge Thunderbolt 4, the next generation of the universal cable connectivity solution that offers support for the next-level USB 4 interface, 40 Gbps data transfer speeds, dual 4K display output and fast charging. The laptop also offers USB Type-A and an HDMI output, plus wired network connectivity with a unique MAC address for easy device management.

Military grade - Military-grade toughness and build quality
To be strong enough for all your travels, ExpertBook B9 is solidly built with magnesium-lithium alloy and structural reinforcement for increased chassis strength. It meets next-level and industry-leading MIL-STD 810H US military tests, which is more rigorous and demanding than ever before. It also undergoes stringent in-house testing including panel-pressure, shock and drop tests to ensure durability, so theres no need to worry about everyday knocks and bumps.

Noise Cancelation - Next-level two-way AI noise-canceling audio technology for business
To level up professional conferencing, ExpertBook B9 has AI-powered noise-canceling technology that employs sophisticated machine-learning techniques. The technology includes both an upstream function to filter noise around the speaker, and a downstream function to eliminate noise from the person at the other end of the conversation. This ensures minimal distraction for high-quality communication, so its just like being in the room with other people. It also includes shortcut keys to enable the technology or mute the microphones with simple clicks.

Audio - Immersive audio
ExpertBook B9 delivers top-notch audio, thanks to four omnidirectional far-field microphones, smart-amplifier technology and Harman/Kardon-certified speakers. The mics are located on the displays upper bezel to ensure the optimal position to capture your voice, while the ASUS Golden Ear team worked with renowned audio experts Harman/Kardon to ensure true surround-sound cinema-quality audio.

Innovation - Get to work faster with AdaptiveLock
With its smart proximity sensor ExpertBook B9 doesnt keep you waiting. The moment you sit ASUS AdaptiveLock detects your presence and uses an integrated infrared camera to recognize your face and log you in - allowing you to get to work without lifting a finger. Then, when you step away, ExpertBook B9 automatically locks itself, protecting both your laptop and your data.

User Experience - Ultimate input experience
From its keyboard to its touchpad, typing and cursor control on ExpertBook B9 is a pleasant experience, thanks to a host of features and improvements that enhance productivity and comfort.

• NumberPad
• Backlit keyboard
• Spill-resistant keyboard
• ErgoLift hinge
• Function keys

Screen - Unrivaled visuals
The frameless 14-inch NanoEdge display on ExpertBook B9 is a true masterpiece, giving you an immersive, near edge-to-edge viewing experience. The anti-glare panel reduces unwanted reflections, too, ensuring vibrant visuals even in bright environments, and reduces instances of eyestrain even after hours of viewing.

Virtual Assistant - Alexa with built-in light bar
Alexa makes it easy to get through the day, hands-free. Ask Alexa to schedule meetings, read your emails, plan a route or even request a ride. Its a smarter, more efficient way to get things done. A dedicated light bar illuminates when you speak to Alexa. Just ask, and Alexa will respond instantly.

Software - Seamless PC-to-phone integration
The Link to MyASUS function seamlessly links your ExpertBook B9 to your mobile phone. Transfer files and website addresses, receive pop-up notifications, read and send messages, accept or make calls, and mirror screens - all on your ExpertBook B9.

Security - Enterprise-grade security
Data is the lifeblood of your business, which is why ASUS Business PCs offer comprehensive business-grade security from integrated hardware and firmware, to software and identity protection. With multiple seamless security layers, ExpertBook B9 has been verified as a Windows Secured-core PC - an assurance of best-in-class data and asset security for your business.

Management - Simplifying business processes
Management is made easier with ASUS Business PCs. ASUS management solutions help streamline routine tasks, allowing IT staff to remotely control and manage company assets, saving your organization time and money.

Specifications:

© 2026 Respective owners and brand holders. This table has been carefully researched and generated by Laptop Direct CC (https://www.laptopdirect.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specifications and features
Laptop Product Code	NB-AB9400-7T1S
Part No	90NX04Z1-M00LN0
Model Name	B9400CBA-I73210B0X
EAN Code	4711387044278
UPC Code	197105044272
Operating System	Windows 11 Pro - ASUS recommends Windows 11 Pro for business
Office	1-month trial for new Microsoft 365 customers. Credit card required.
LCD cover-material	Mg-Li
LCD cover-color	Star Black
Top case-material	Mg-Al
Top case-color	Star Black
Bottom case-material	Mg-Al
Bottom case-color	Star Black
Military grade	US MIL-STD 810H military-grade standard
Panel Size	14.0-inch
Backlit	LED Backlit
Brightness	400nits
Resolution	FHD (1920 x 1080) 16:9 (1W)
Glare	Anti-glare display
Color gamut	sRGB: 100%
View angle(H/V)	170/170
Response time(Typ/Max) (ms)	30/35
Refresh rate	60Hz
Contrast (Typ)	1200:1
Touch Panel	Non-touch screen
Screen-to-body ratio	94 %
IPS-level	Wide view
Processor	Intel Core i7-1255U Processor 1.7 GHz (12M Cache, up to 4.7 GHz, 10 cores)
Chipset	N/A
Discrete/Share	Share
Integrated GPU	Intel Iris Xe Graphics (available for Intel Core i5/i7/i9 with dual channel memory)
VRAM	N/A
How to upgrade memory	Not Available
Expansion Slot(includes used)	2x M.2 2280 PCIe 4.0x4
On board memory	32GB LPDDR5 on board
Total System Memory	LPDDR5 32GB
Storage	1TB M.2 NVMe PCIe 4.0 SSD
SSD Cache	N/A
Front-facing camera	720p HD camera with IR function to support Windows Hello, With privacy shutter
On board Wireless	Wi-Fi 6E(802.11ax) (Dual band) 2*2 + Bluetooth 5.1 (BT version may change with OS version different)
NumberPad	Support NumberPad
ScreenPad	N/A
FingerPrint	FingerPrint
Keyboard type	Backlit Chiclet Keyboard
I/O ports	1x USB 3.2 Gen 2 Type-A, 2x Thunderbolt 4 supports display / power delivery, 1x HDMI 2.0b, 1x micro HDMI (RJ45 lan), 1x 3.5mm Combo Audio Jack, N/A
Audio	Dolby Atmos, Smart Amp Technology, Built-in speaker, Built-in array microphone, harman/kardon (Premium)
Voice control	with Cortana support
Battery	66WHrs, 4S1P, 4-cell Li-ion
Replaceable Battery	No
AC Adapter	TYPE-C, 65W AC Adapter, Output: 20V DC, 3.25A, 65W, Input: 100~240V AC 50/60Hz universal
Dimension (WxHxD)	32.00 x 20.30 x 1.49 ~ 1.49 cm
Weight (with Battery)	1.01 kg
Weight (w/ 2nd Battery)	0.88 kg
Weight (w/o Battery)	0.75 kg
Weight Memo	2CELL 33W : 0.88kg, 4CELL 66W : 1.01kg
Security	Fingerprint sensor, IR webcam with Windows Hello support, Kensington Nano Security Slot, BIOS setup user password, Computrace ready from BIOS, HDD User Password Protection and Security, Trusted Platform Module (TPM) 2.0, N/A
MyASUS feature	System diagnosis, Battery health charging, Fan Profile, Splendid, Tru2Life, Function key lock, WiFi SmartConnect, AppDeals, Link to MyASUS
Built-in Apps	MyASUS, McAfee
Disclaimer for Built-in Apps	Built-in Apps vary from OS SKU.
Included in the Box	Micro HDMI to RJ45 gigabit ethernet adapter, Sleeve
Reparability Index (for France)	7.6
CSID	1Y ON-SITE NBD