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Only single-channel RAM - review of the Acer Extensa 15 EX215-51

Acer Extensa 15 EX215-51 in review: Acer equips its work horse with a disappointing display
Acer Extensa 15 EX215-51 in review: Acer equips its work horse with a disappointing display
Strengths of the Extensa 15 include the Core i5 processor, NVMe SSD, low noise levels and moderate heat development. The installed display represents the biggest weakness of the system. The preinstalled Windows 10 Pro OS is partially responsible for the price.
Sascha Mölck, 👁 Sebastian Jentsch (translated by Marius S.), 🇩🇪
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With the Extensa 15 EX215-51, Acer has released a simple 15.6-inch office laptop. The system is powered by a Comet Lake processor. The relatively high price (650 to 700 Euros or ~$705 to ~$759) of our configuration stems from the operating system, Windows 10 Pro. Configurations with Windows 10 Home or without any Windows version can be significantly cheaper - the base configuration can be purchased for as low as 350 Euros (~$380).

Despite the relatively high price, the features are lacking. Part of the performance potential remains unused, since the RAM only runs in single-channel mode. Enabling dual-channel mode is not possible due to the availability of only one RAM slot and no preinstalled, soldered RAM.

The installed screen can only be described as outdated. The completely outdated display of the laptop is its biggest weakness. Acer has installed a dim TN model, which offers a poor contrast ratio and narrow viewing angles and does not at all reflect the price of the laptop. On top of that, the Extensa comes with a low-quality VGA webcam. There is neither a card reader nor a USB type-C port or keyboard backlight. Additionally, the wireless transfer speeds range from poor to mediocre, since Acer has opted for a Wi-Fi chip that only supports 1x1 MIMO.

More information and many measurements can be found in our review of the Acer Extensa 15 EX215-51-56UX.

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Sascha Mölck
Editor of the original article: Sascha Mölck - Senior Tech Writer - 820 articles published on Notebookcheck since 2012
What started as a side job during my computer science studies later became my main job: For more than 20 years now I have been working as an editor and author in the IT sector. While working in the print sector I also contributed to the creation of various loose-leaf publications and published original written pieces. I have been working for Notebookcheck since 2012.
Marius Schell
Translator: Marius Schell - Tech Writer - 274 articles published on Notebookcheck since 2020
Even in my youth I was already very enthusiastic about technology, and as a result I started building PCs, optimizing them, and writing programs while I was still in school. When dealing with the inevitable hardware and software problems associated with computers, I was always relentless in my search for the necessary solutions. The compact forms of laptops and smartphones introduced further challenges in this regard. In my reviews for Notebookcheck I try to communicate as objectively as possible how well a device copes with these hurdles.
contact me via: LinkedIn
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2020 02 > Only single-channel RAM - review of the Acer Extensa 15 EX215-51
Sascha Mölck, 2020-02-16 (Update: 2020-02-13)