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Compact black tower desktop with wired keyboard and mouse

Acer America

Acer Aspire XC-840-UB11 desktop PC Celeron N4505 16GB DDR4 1TB NVMe Windows 11 Home

SKU CH-5XRJ-12BH6

Compact desktop with Intel Celeron N4505, 16 GB DDR4, 1 TB NVMe, Wi‑Fi 6 and Bluetooth 5.3, plus wired keyboard and mouse

  • ProcessorCeleron
  • RAM capacity16 GB DDR4
  • SSD storage1 TB
  • GraphicsIntel UHD Graphics
  • CPU modelIntel Celeron N4505
  • Wi-Fi standardWi-Fi 6

OperatingSystem Windows 11 Home

Memory 16GB

SSD 1TB

  • Compact desktop fits tight spaces at 12.99 x 3.94 x 11.61 inches
  • Fast boot and load times from 1 TB NVMe solid-state storage
  • Smooth multitasking with 16 GB DDR4 memory installed
  • Modern wireless connectivity via Wi-Fi 6 and Bluetooth 5.3
  • Ready to use with Windows 11 Home pre-installed

Compact desktop for everyday tasks

The Acer Aspire XC-840-UB11 is a small-form-factor desktop built around an Intel Celeron N4505 processor and Intel UHD Graphics. It ships with 16GB of DDR4 memory and a 1TB PCIe NVMe SSD, running Windows 11 Home. The system suits home offices, education settings or light business workloads that rely on web apps and document editing. It is not aimed at buyers who need discrete graphics performance or multi-threaded rendering power.

Thermals and power in daily use

A 65-watt power supply feeds the low-power CPU and integrated graphics, keeping heat output modest during typical office loads. The compact chassis measures 12.99 x 3.94 x 11.61 inches and weighs 9.26 pounds, allowing it to sit on a desk or be mounted out of sight. Fan noise stays low during web browsing and video playback. The platform supports up to 32GB of DDR4 if future workloads demand more memory headroom.

Included accessories and connectivity

A wired keyboard and mouse combo are bundled so the PC is ready to use straight from the box. Wireless connectivity comes from an Intel Wi-Fi 6 (2x2) module paired with Bluetooth 5.3 for peripherals and mobile devices. No display is included, so buyers must provide their own monitor. The Windows 11 Home licence activates on first boot for immediate access to the OS and store apps.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $514.99
Typical for this category: the median of 14,711 items is $494.99.
RAM capacity 16 GB DDR4
Typical for this category: the median of 13,125 items is 16 GB.
SSD storage 1 TB
Higher than about 60% of the 11,342 comparable items (median 512 GB).

Specifications

Product
Brand nameAcer
Product lineAspire
Model nameXC-840-UB11
Product typeDesktop PC
Processor
ProcessorCeleron
CPU modelIntel Celeron N4505
Memory
RAM capacity16 GB DDR4
Storage
SSD storage1 TB
Graphics
GraphicsIntel UHD Graphics
Connectivity
Wi-Fi standardWi-Fi 6
Bluetooth support5.3
Compatibility
Windows 11 supportReady
In the box
Pointing deviceWired Mouse
Software
Operating systemWindows 11 Home
More details
Keyboard typeWired Keyboard

Other versions of this model

5 more in the same range

Questions about this item

How do I install the DDR4 memory modules and what step is often missed?

Power off and unplug the 65 watt supply, open the chassis, align the notch on each DDR4 stick with the slot key, press firmly until the retention clips click, then replace the cover before reconnecting power.

Which components will need replacement or maintenance over time?

The DDR4 memory can be expanded to 32 GB if more capacity is needed, the 1 TB NVMe SSD can be swapped for a larger drive, and the CPU fan should be cleaned periodically to maintain airflow.

What limit appears first during sustained heavy workloads?

The Celeron N4505 processor will reach its thermal ceiling before the 65 watt power supply or the Intel UHD Graphics become bottlenecks.

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