We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Compact black tower desktop with wired keyboard and mouse

Acer America

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

SKU CH-Q3K2-SNK70

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

  • TypeDesktop PC
  • Operating SystemWindows 11 Pro
  • Windows 11Ready
  • CPU TypeCeleron
  • CPU NameIntel Celeron N4505
  • GPU/VGA TypeIntel UHD Graphics

OperatingSystem Windows 11 Pro

Memory 16GB

SSD 1TB

  • Compact 12.99" × 3.94" × 11.61" chassis fits tight desk spaces
  • 16 GB DDR4 memory handles everyday multitasking smoothly
  • 1 TB NVMe solid-state drive boots Windows 11 Pro in seconds
  • Wi-Fi 6 and Bluetooth 5.3 deliver fast wireless connectivity
  • 65 W power supply keeps energy draw low

Compact desktop for everyday tasks

The Acer Aspire XC-840-UB11 is a small-form-factor desktop built around an Intel Celeron N4505 processor with integrated Intel UHD Graphics. It ships with 16 GB of DDR4 memory and a 1 TB NVMe solid-state drive. Windows 11 Pro is pre-installed, making it ready for office applications, web browsing and media playback out of the box. This configuration suits home users, students or small offices that need a quiet, space-saving PC for routine workloads.

Low-power cooling and quiet operation

A 65 watt power supply feeds the entire system, so the low-wattage Celeron N4505 runs cool enough for a compact chassis measuring 12.99 by 3.94 by 11.61 inches and weighing 9.26 lb. The modest thermal envelope keeps fan noise low during typical document editing and streaming sessions. Continuous heavy multitasking or sustained gaming loads are not a good fit for this thermal design.

Included peripherals and connectivity

A wired keyboard and mouse combo are bundled, removing the need for separate input-device purchases. Wireless connectivity comes from Wi-Fi 6 and Bluetooth 5.3 adapters built into the platform. Memory can be expanded up to 32 GB if future workloads demand more headroom. Buyers who want a discrete graphics card, additional drive bays or a display included should look at larger tower systems.

Highlights

  • Compact 12.99" × 3.94" × 11.61" chassis fits tight desk spaces
  • 16 GB DDR4 memory handles everyday multitasking smoothly
  • 1 TB NVMe solid-state drive boots Windows 11 Pro in seconds
  • Wi-Fi 6 and Bluetooth 5.3 deliver fast wireless connectivity
  • 65 W power supply keeps energy draw low

Specifications

BrandAcer
SeriesAspire
ModelXC-840-UB11
TypeDesktop PC
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeCeleron
CPU NameIntel Celeron N4505
GPU/VGA TypeIntel UHD Graphics
Memory Capacity16GB DDR4
SSD1TB
WiFi GenerationWi-Fi 6
BluetoothBluetooth 5.3
Keyboard TypeWired Keyboard
Mouse TypeWired Mouse

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

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

Open the chassis, insert the DDR4 module into the SO-DIMM slot until it clicks, then secure the retention clips; the step often missed is pushing firmly enough to engage both clips.

Which component will need replacement first and what are the limits?

The 65 watt power supply is the only field-replaceable part listed; memory can be expanded to 32 GB DDR4 and storage to 1 TB NVMe, but no other internal components are user-serviceable.

What thermal limit appears first during sustained loads on the Celeron N4505?

The 65 watt power supply and compact 12.99 x 3.94 x 11.61 inch chassis limit sustained performance; the Celeron N4505 will throttle before the Intel UHD Graphics or DDR4 memory reach their limits.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.