ASUS Chromebook Flip CX3 (CX3400)

Updated on January 26, 2026

The ASUS Chromebook Flip CX3 (CX3400) was a premium 2-in-1 convertible Chromebook released in 2022, with a 360-degree hinge that moves it between laptop, tent, stand, and tablet modes. It pairs a completely fanless design with 11th-generation Intel Tiger Lake processors, so it stays silent in noise-sensitive rooms like libraries, offices, and meeting spaces. A garaged USI stylus comes in the box, which suits note-takers and creative users who need pen input. The model has been discontinued and replaced by the newer ASUS Chromebook Plus CX34, and it remains a capable machine for anyone who finds one on the secondary market.

Related Videos

ASUS Chromebook Flip CX3 (CX3400) Comparison Chart

	ASUS Chromebook Flip CX3 (CX3400)	ASUS Chromebook Flip CX3 (CX3400)	ASUS Chromebook Flip CX3 (CX3400)
Price	List Price: $599.99 Amazon Prices: Check Price on Amazon	List Price: $999.99 Amazon Prices: Check Price on Amazon	List Price: $749.99 Amazon Prices: Check Price on Amazon
Model number	CX3400FMA-DH388T-S	CX3400FMA-DH762T-S	CX3400FMA-DH586T-S
Performance Rating	7.1	8.0	7.1
Chromebook Plus	No	No	No
Processor	Quad-core 1.80 Ghz (max 4.00 Ghz) Intel Core i5-1130G7	Quad-core 1.80 Ghz (max 4.00 Ghz) Intel Core i5-1130G7	Quad-core 1.80 Ghz (max 4.00 Ghz) Intel Core i5-1130G7
RAM	8 GB	16 GB	8 GB
Internal Storage	128 GB NVMe SSD	512 GB NVMe SSD	256 GB NVMe SSD
Screen Size	14"	14"	14"
Screen Resolution	1920x1080	1920x1080	1920x1080
Screen Type	LED Backlit, 250nits	LED Backlit, 250nits	LED Backlit, 250nits
Touch Screen	Yes	Yes	Yes
Stylus / Pen	Supported	Supported	Supported
Dimensions width x length x thickness	12.8 x 8.65 x 0.78 inches (325.12 x 219.71 x 19.81 mm)	12.8 x 8.65 x 0.78 inches (325.12 x 219.71 x 19.81 mm)	12.8 x 8.65 x 0.78 inches (325.12 x 219.71 x 19.81 mm)
Weight	3.64 lbs (1.65 kg)	3.64 lbs (1.65 kg)	3.64 lbs (1.65 kg)
Backlit Keyboard	Yes	Yes	Yes
Webcam	720p HD	720p HD	720p HD
WiFi	Wi-Fi 6 (802.11ax)	Wi-Fi 6 (802.11ax)	Wi-Fi 6 (802.11ax)
Bluetooth	Bluetooth 5.2	Bluetooth 5.2	Bluetooth 5.2
Ethernet	No	No	No
Cellular Modem	No	No	No
HDMI	No HDMI	No HDMI	No HDMI
USB Ports	2 USB 3, 2 USB-C USB-C supports display out and power delivery	2 USB 3, 2 USB-C USB-C supports display out and power delivery	2 USB 3, 2 USB-C USB-C supports display out and power delivery
Thunderbolt Ports	No	No	No
Card Reader	microSD Card Reader	microSD Card Reader	microSD Card Reader
Battery	3 cell, 50WHrs, Li-ion	3 cell, 50WHrs, Li-ion	3 cell, 50WHrs, Li-ion
Battery Life	11.0 hours	11.0 hours	11.0 hours
Fanless	Yes	Yes	Yes
Auto Update Expiration Date	June, 2031	June, 2031	June, 2031

Silent cooling, a dim screen, and all-day battery

The chassis meets MIL-STD 810H military durability standards, so it has been tested against drops, vibration, and temperature extremes. It is plastic rather than aluminum, and the “AI Blue” color option separates it from the usual silver and gray Chromebooks. The 360-degree ErgoLift hinge gives firm resistance at any angle and moves smoothly between modes. At 3.64 pounds it is not the lightest 14-inch Chromebook, though the weight is spread well enough that it does not feel cumbersome during extended use.

The 14-inch Full HD touchscreen reproduces color well for a Chromebook in this price range, and its 250-nit brightness is the panel’s limit. Android Police described the device as “useless outdoors” due to the dim, reflective screen, making this strictly an indoor Chromebook. The 16:9 aspect ratio suits media and game streaming services like GeForce Now and Xbox Cloud Gaming. The screen takes USI stylus input from the included garaged pen, which charges wirelessly when stored in its slot on the right side. About Chromebooks noted that the stylus tip creates an “intolerable sensation” on the glass screen compared to higher-end styluses with soft tips.

Passive cooling keeps the machine silent and holds the processor well below its ceiling. About Chromebooks tested the Core i7-1160G7 and found it mostly ran between 1.0-1.2 GHz during sustained workloads, never approaching its rated 4.4 GHz turbo speed. In those benchmarks the Core i7 model scored lower than cheaper Chromebooks with Core i3 and even Pentium processors that have active cooling. The 50 Wh battery delivers 8-9.5 hours of measured real-world use against the claimed 11 hours.

Reviewer Insights

C4ETech’s Perspective

C4ETech praised the CX3400 as a premium convertible that delivers versatility through its 360-degree hinge. He highlighted the fanless design as a major advantage: “Asus have gone with a fan-less thermal design, so this Chromebook, it’s super silent.” He was impressed by the military-grade durability certification and the included garaged USI stylus, noting that “what’s new here? The CX3, given it has a full laptop form factor, it includes way more I/O” compared to tablet-style Chromebooks. He concluded that the CX3 offers a solid media experience thanks to the 14-inch Full HD IPS panel and comprehensive port selection.

Android Police’s Perspective

Android Police delivered a mixed review, awarding the CX3400 a 7.5/10 score while describing it as “the minivan of Chromebooks: a utilitarian device that might not be sexy, but it sure can get work done.” Their testing of the Core i7 model found that “apps always felt snappy” despite the thermal constraints, but the 250-nit screen brightness was a dealbreaker for outdoor use. They praised the large, responsive trackpad and dual USB-C charging ports that support 45W power delivery on both sides. However, they criticized the included stylus for its rough plastic tip and noted that the silver keyboard has poor legibility, which is made worse rather than better by the backlight. At $979 for the Core i7 model, they felt the plastic construction was inconsistent with the premium price.

About Chromebooks’ Perspective

About Chromebooks published the most critical review, ultimately recommending against purchasing the CX3400 at its original $979 price point. Their detailed stress testing revealed the fundamental problem with the fanless Core i7: “This is nearly a $1,000 Chromebook with an 11th-generation Intel Core i7…So why doesn’t the performance reflect that? Because there’s no fan, you get a silent experience. So yay! However, this processor is limited in terms of how long it can run at a higher clock speed, due to heat.” Benchmark scores showed the device underperforming not just cheaper Core i3 Chromebooks, but even some Pentium models. Kevin C. Tofel concluded: “Unless you fully understand the performance shortcomings of this particular Core i7 and really want a fanless Chromebook experience, I’d pass, at least at this price.”

A silent note-taking convertible for indoor desks

In quiet environments like libraries, shared offices, or recording studios, including work such as music production on a Chromebook, the fanless design runs with no noise at all. The convertible hinge and included stylus fit students and professionals who take handwritten notes or annotate documents, though anyone who wants a better pen feel should budget for a third-party USI pen with a soft tip.

Skip it if you need maximum performance, work outdoors often, or expect Core i7 speeds to match a desktop or a high-performance laptop. For a current Chromebook with similar features, the ASUS Chromebook Plus CX34 offers 12th-generation Intel processors and Chromebook Plus AI features at a more accessible price. Starry Hope’s Chromebook Comparison Tool lays the alternatives out side by side.

Frequently Asked Questions