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Asus ExpertBook B9: Intel Tiger Lake, Iris Xe, and Thunderbolt 4 in a magnesium alloy body that only weights 880 grams

The trackpad of the ExpertBook B9 turns into a touch sensitive numberpad to help with spreadsheet use and data entry. (Image Source: Asus)
The trackpad of the ExpertBook B9 turns into a touch sensitive numberpad to help with spreadsheet use and data entry. (Image Source: Asus)
Asus has announced an update to the feather-light ExpertBook B9 (B9400) business notebook, which was developed in partnership with Intel as part of Project Athena. The hardware refresh includes Intel’s new Tiger Lake processors and Iris Xe graphics chip.
Craig Ward,
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As part of Project Athena (Intel Evo), the ExpertBook B9 was developed in partnership with Intel to include a rapid resume, battery life, and quick charging (up to 60% in 39 minutes) as three of the primary focus points. The chassis is made of a magnesium-lithium alloy and has the MIL-STD 810H military durability rating.

The ExpertBook B9 is being refreshed with an 11th gen. Intel Tiger Lake i5-1135G7 or i7-1165G7 processor and Iris Xe GPU, which is Intel’s most powerful mobile graphics chipset to date. The ultrabook SoC variant of the Iris Xe architecture is claimed to offer a “discrete GPU level of performance”, this would likely place it as a competitor to the MX350 or MX450 from Nvidia — depending on the benchmark.

Accompanying these are WiFi 6 and Thunderbolt 4, the latter of which isn’t any faster than Thunderbolt 3 but has better display support (2 x 4K or 1 x 8K), charging input, Thunderspy protection, and cable length (full speed at 2m). The display uses a 14-inch 1080p panel that can display 100% of sRGB and has a 400-nit maximum brightness.

Memory can be configured up to 32 GB LPDDR4x 4266 MHz. The dual M.2 SSD slots allow for configuration of RAID0 or RAID1 setups. RAID0 provides higher throughput and greater total storage capacity, but with the speed and size of today’s NVMe drives the RAID1 arrangement or just two individual storage drives are probably more common choices.

The ExpertBook B9 is the lightest 14-inch business laptop available, but to get the 880 gram (1.94 lb) advertised weight, you have to select the 33 Wh battery. Fortunately, the 66 Wh battery configuration is only slightly heavier at just over 1 kg (2.22 lb), meaning that it would still be barely noticeable in the bag of a road warrior. The body is fairly svelte at 320 x 203 x 15 mm (12.6 x 8.0 x 0.6 inches).

The Asus ExpertBook B9 (B9400) will be available in the fourth quarter of 2020, starting at €1799 (US$2140). Note that the German/Euro pricing we have includes a 15% sales tax.

Buy ASUS ExpertBook B9450, i7-10510U now on Amazon

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Asus Press Information

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Craig Ward
Craig Ward - Tech Writer - 397 articles published on Notebookcheck since 2017
I grew up in a family surrounded by technology, starting with my father loading up games for me on a Commodore 64, and later on a 486. In the late 90's and early 00's I started learning how to tinker with Windows, while also playing around with Linux distributions, both of which gave me an interest for learning how to make software do what you want it to do, and modifying settings that aren't normally user accessible. After this I started building my own computers, and tearing laptops apart, which gave me an insight into hardware and how it works in a complete system. Now keeping up with the latest in hardware and software news is a passion of mine.
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2020 08 > Asus ExpertBook B9: Intel Tiger Lake, Iris Xe, and Thunderbolt 4 in a magnesium alloy body that only weights 880 grams
Craig Ward, 2020-09- 2 (Update: 2020-09- 3)