ASUS ExpertBook B9

LaptopMedia.com Laptop Specs ASUS ExpertBook B9 (B9400) ASUS ExpertBook B9

Date Published: 04 Jul 2025

Intel Core i7-1255U
Intel Iris Xe Graphics G7 (96EU)
14.0”, Full HD (1920 x 1080), IPS
4000GB SSD
32GB RAM
0.88 kg (1.9 lbs)

TOTAL SCORE

9.4 Portability EXCEPTIONAL

8.0 Display Excellent

5.9 For Work Average

3.7 For Gaming Mediocre

ASUS ExpertBook B9

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Specs

Display
14.0”, Full HD (1920 x 1080), IPS

HDD/SSD
4000GB SSD

M.2 Slot
2x 2280 PCIe NVMe 3.0 x4 RAID See photo

RAM
32GB RAM

OS
Windows 11 Home

Body Material
Magnesium-Lithium alloy

Dimensions
320 x 203 x 0.9 ~ 14.9 mm (12.60" x 7.99" x 0.04")

Weight
0.88 kg (1.9 lbs)

Ports and connectivity

1x USB Type-A
3.2 Gen 2 (10 Gbps)

2x USB Type-C
3.2 Gen 2 (10 Gbps), Power Delivery (PD), DisplayPort

HDMI
2.0b

Wi-Fi
802.11ax

Bluetooth
5.0

Audio jack
3.5mm Combo Jack

Features

Fingerprint reader

Web camera
HD

Backlit keyboard

Microphone
Array Microphone

Speakers
Harman Kardon Audio System

Security Lock slot

Gifts
Microsoft Office Home and Business 2021

Portability

ASUS ExpertBook B9 (B9400)

12.60" x 7.99" x 0.04" Dimensions

0.88 kg (1.9 lbs) Weight

Average 14.0-inch laptop

1.47 kg (3.2 lbs) +66% Weight

Review

ASUS ExpertBook B9 in-depth review

No more budget offerings. ASUS is now going head-on for the top dogs in the business world. This means that devices like the ThinkPad X1 Carbon and the Latitude 14 9420 are being threatened. What is the name of that threat? ASUS ExpertBook B9 (B9400). Not only is it a premium device, but the manufacturer goes as far as stating that it is the lightest 14-inch business laptop on the market right now. Depending on the configuration, the device can stop the scales at just 880 grams.Speaking of configurations, the machine can be equipped with up to the Core i7-1185G7, and 32GB of LPDDR4x memory. Well, there is more than meets the eye, for sure, so we will explain all of the available features in this review.One of these features is the 1080p IPS display. Its bezels are extremely thin, [...]

Read the full review

Pros

Up to 13 hours of Web browsing on a single charge
Great input devices
99% sRGB coverage and accurate color representation with our profile
Noise cancellation
2x M.2 PCIe x4 + RAID support
Two Thunderbolt 4 connectors (both can be used for charging)
IR face recognition, fingerprint reader, and proximity sensor
Quad-channel memory
No PWM

Cons

Lacks an SD card reader
Memory is soldered to the motherboard

Disassembly, maintenance and upgrade options

The ExpertBook B9 (B9400) is full of surprises. This includes the RAID support through two M.2 PCIe x4 slots.Check out all ASUS ExpertBook B9 (B9400) prices and configurations in our Specs System or read more in our In-Depth review.1. Remove the bottom plate To take this laptop apart, you need to undo 11 Torx-head screws. After that, just pry the bottom panel, starting from the front.2. Battery Inside, you will see the larger 66Wh battery pack. If you need to take it away, first, remove the connector from the motherboard. Then, undo the four Phillips-head screws that hold[...]