ExpertBook B9 (B9400) B9400CBA-KC0515X - 14in - i5 1235U - 16GB Ram - 1TB SSD - Win11 Pro
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The world’s lightest 14” business laptop1
ASUS ExpertBook B9 is crafted for premium perfection, empowering business executives to take charge of the business world in style. Its sleek, minimalist and precision-machined chassis pushes the limits of lightness for ultimate portability, with a magnesium-alloy design that delivers luxury and toughness without equal. It’s 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 and provide enterprise-grade security to keep your confidential data safe. Extremely portable, powerful and tough, ExpertBook B9 is your ideal partner in the corporate world — and the new benchmark for elite business laptops.
Ultrathin and light
Crafted from a premium magnesium alloy, ExpertBook B9 weighs a featherlight 880 g3 and is a mere 14.9 mm thin for exceptional portability that’s always ready.
Enterprise-grade security
Engineered with robust features that include NFC4 login, face login, TPM 2.05 security, a Kensington lock slot, physical webcam shield and a fingerprint sensor, ExpertBook B9 delivers security that’s fit for business — offering serious safety and protection for your premium device and priceless data.
Exceedingly powerful
Powered by up to 12th Gen Intel Core™ vPro® i7 processor with Iris Xe graphics, ExpertBook B9 is built for business and delivers the fast and responsive performance you need to get the job done. It also features two SSDs to provide huge up to 4 TB capacity and faster speed, and supports RAID technology6 for improved data reliability or faster operation.
Military-grade toughness
Solidly built with magnesium alloy and structural reinforcement for increased chassis strength, ExpertBook B9 meets the industry-leading MIL-STD 810H US military standard — in addition to undergoing extensive and stringent in-house testing, including panel-pressure, shock and drop tests7.
Lighter, stronger and more portable
Encased in a premium and durable magnesium alloy chassis, ExpertBook B9 is an upliftingly featherlight 880 g3. Superslim bezels enable a 14-inch display to fit the 13-inch-class chassis, making ExpertBook B9 extremely compact. Slip it into briefcase or bag, and you’re ready for productivity in or out of the office.
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. On top of that, fast-charge technology lets you accelerate battery capacity up to 60% in as little as 44 minutes8, so you’re up and running in no time.
Enterprise-grade security
With extensive and of robust security features, ExpertBook B9 is the ultimate personal guard for your confidential files.
NFC4
The NFC4 reader integrated into NumberPad10 means logging in to ExpertBook B9 can be a simple, swift and secure as the swipe of an authorized card.
AdaptiveLock
ASUS AdaptiveLock detects your presence and uses an integrated infrared camera to recognize your face and log you in without lifting a finger. The moment you step away, ExpertBook B9 automatically locks to protect both your laptop and your data.
Fingerprint sensor
ExpertBook B9 has built-in biometric security, with a fingerprint sensor for easy access. So, just tap the button to log in — no difficult-to-remember passwords or PIN required!
TPM 2.0
A discrete TPM 2.05 chip securely stores authentication information used by software, such as passwords or encryption keys, to protect important data and transactions. Your details remain encrypted, virtually eliminating the risk of leaks through hacking.
Kensington Nano Security Slot™
An integrated Kensington lock slot allows the ExpertBook B9 to be physically secured in unsupervised locations.
Webcam privacy shield
A physical cover obscures ExpertBook B9’s webcam for an assurance of instant privacy when it’s not in use.
Remote experiences, elevated
From WiFi 6E11 to immersive Dolby Atmos® audio, ExpertBook B9 is packed with premium features to improve both work and entertainment experiences — plus loads of innovations and enhancements that boost productivity.
With WiFi 6E11 onboard, ExpertBook B9 allows you to wave goodbye to speed and capacity limitations. Transfer speeds are up to 3x faster than WiFi 5, enabling lightning-speed sharing, backups and updates — so you’ll enjoy ultralow latency and improved performance in even the most-crowded wireless environments.
ExpertBook B9 delivers top-notch audio, drawing on the combined power of immersive Dolby Atmos audio, four omnidirectional far-field microphones, smart-amplifier technology and Harman/Kardon-certified speakers. Dolby Atmos technology creates enveloping 3D audio for cinematic experiences when watching movies or listening to music for post-work relaxation. It’s also great for lifelike chats with colleagues during the day.
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 it’s 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.
With ExpertBook B9’s AI-powered camera, you’ll enjoy excellent video quality for every virtual meeting. The motion-tracking technology automatically keeps your face centered, and adjusts to the focus of your eyes — eliminating the annoyance of having to adjust your camera mid-chat. With its ability to enhance both image quality and brightness automatically, the AI camera is perfect for working anywhere, anytime.
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, 4K display output, and fast charging. The laptop offers USB Type-A and an HDMI output, plus wired network connectivity with a MAC address pass-through for easy device management. ExpertBook B9 supports up to three 4K external displays.
| Design | |
| Colour name | Star Black |
| Product type | Laptop |
| Product colour | Black |
| Form factor | Clamshell |
| Market positioning | Business |
| Display | |
| Display diagonal | 35.6 cm (14") |
| Display resolution | 1920 x 1080 pixels |
| Touchscreen | No |
| HD type | Full HD |
| LED backlight | Yes |
| Native aspect ratio | 16:9 |
| Anti-glare screen | Yes |
| Display brightness | 400 cd/mý |
| RGB colour space | sRGB |
| Colour gamut | 100% |
| Processor | |
| Processor manufacturer | Intel |
| Processor generation | 12th gen Intel© CoreT i5 |
| Processor family | Intel© CoreT i5 |
| Processor model | i5-1235U |
| Processor boost frequency | 4.4 GHz |
| Processor cores | 10 |
| Processor cache | 12 MB |
| Configurable TDP-down | 12 W |
| Memory | |
| Internal memory | 16 GB |
| Internal memory type | LPDDR5-SDRAM |
| Memory clock speed | 5200 MHz |
| Memory form factor | On-board |
| Maximum internal memory | 16 GB |
| Storage | |
| Total storage capacity | 1 TB |
| Storage media | SSD |
| Total SSDs capacity | 1 TB |
| Number of SSDs installed | 1 |
| SSD capacity | 1 TB |
| SSD interface | PCI Express 4.0 |
| NVMe | Yes |
| SSD form factor | M.2 |
| Optical drive type | No |
| Card reader integrated | No |
| Graphics | |
| Discrete graphics card model | Not available |
| On-board graphics card | Yes |
| On-board GPU manufacturer | Intel |
| Discrete graphics card | No |
| On-board graphics card model | Intel Iris Xe Graphics |
| Audio | |
| Audio system | Smart Amp |
| Speakers manufacturer | Harman Kardon |
| Built-in microphone | Yes |
| Camera | |
| Front camera | Yes |
| Front camera HD type | HD |
| Infrared (IR) camera | Yes |
| Privacy camera | Yes |
| Privacy type | Privacy shutter |
| Network | |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Wi-Fi standards | Wi-Fi 6E (802.11ax) |
| Mobile network connection | No |
| Antenna type | 2x2 |
| Ethernet LAN | No |
| Bluetooth | Yes |
| Bluetooth version | 5.2 |
| Ports & interfaces | |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.0b |
| Thunderbolt 4 ports quantity | 2 |
| Intel© Thunderbolt 4 | Yes |
| Micro HDMI ports quantity | 1 |
| Combo headphone/mic port | Yes |
| USB Type-C DisplayPort Alternate Mode | Yes |
| USB Power Delivery | Yes |
| Performance | |
| Repairability index | 6.9 |
| Keyboard | |
| Pointing device | Touchpad |
| Keyboard layout | QWERTY |
| Numeric keypad | No |
| Keyboard backlit | Yes |
| Software | |
| Operating system architecture | 64-bit |
| Operating system installed | Windows 11 Pro |
| Processor special features | |
| Intel Flex Memory Access | Yes |
| Intel Trusted Execution Technology | Yes |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Execute Disable Bit | Yes |
| CPU configuration (max) | 1 |
| Embedded options available | No |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| Intel Virtualization Technology (VT-x) | Yes |
| Battery | |
| Battery technology | Lithium-Ion (Li-Ion) |
| Number of battery cells | 4 |
| Battery capacity | 66 Wh |
| Power | |
| AC adapter power | 65 W |
| AC adapter frequency | 50 - 60 Hz |
| AC adapter input voltage | 100 - 240 V |
| AC adapter output current | 3.42 A |
| AC adapter output voltage | 19 V |
| Security | |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Fingerprint reader | Yes |
| Face recognition | Yes |
| Windows Hello | Yes |
| Trusted Platform Module (TPM) | Yes |
| Trusted Platform Module (TPM) version | 2.0 |
| Password protection | Yes |
| Password protection type | BIOS, HDD, User |
| Weight & dimensions | |
| Width | 320 mm |
| Depth | 203 mm |
| Height | 14.9 mm |
| Weight | 1.01 kg |
| Warranty | |
| Base Warranty | Non Non |