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Compact black small-form-factor desktop tower with wired keyboard and mouse

DELL

DELL QCS1250 SFF Desktop PC Intel Core i9-14900K 32GB DDR5 1TB NVMe

SKU CH-6HKH-RJ5P2

A compact small-form-factor desktop with a 24-core Intel Core i9 processor, 32 GB DDR5 memory and a 1 TB NVMe drive, plus Windows 11 Pro and included keyboard and mouse

  • ProcessorIntel Core i9
  • Memory size32 GB
  • Storage drive1 TB NVMe SSD
  • GraphicsIntel UHD Graphics 770
  • CPUIntel Core i9-14900K
  • RAM capacity32 GB
  • 24-core Intel Core i9-14900K reaches 6.0 GHz for heavy multitasking
  • 32GB DDR5 5600 MHz memory keeps large workloads responsive
  • 1TB PCIe NVMe M.2 SSD provides fast boot and file access
  • Small 95 mm wide chassis fits tight desk spaces
  • Windows 11 Pro pre-installed with wired keyboard and mouse included

Pro Slim QCS1250 SFF

The Dell Pro Slim QCS1250 is a small-form-factor desktop built around a 24-core Intel Core i9-14900K processor reaching 6.0 GHz. It ships with 32 GB of DDR5 memory at 5600 MHz and a 1 TB PCIe NVMe M.2 drive. Windows 11 Pro is pre-installed, making the system ready for business or education workloads immediately.

Thermals and power

The 11.95 by 3.74 by 11.54 inch chassis weighs 8.61 lb and houses the 24-core CPU with integrated Intel UHD Graphics 770. No discrete graphics card is present, so the cooling solution handles only the processor and platform heat. Gigabit Ethernet provides wired network connectivity without additional wireless hardware.

Included peripherals

A Dell KB216 wired keyboard and a Dell wired mouse connect via USB Type-A ports. The front panel offers two USB 2.0 ports, one USB 3.2 Gen 1 Type-A port and one USB 3.2 Gen 1 Type-C port plus a global headset jack. Rear video outputs comprise one HDMI 2.1 and one DisplayPort 1.4a for dual-display support.

How it compares

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

Price $1,098.99
Pricier than about 80% of the 14,711 comparable items (median $494.99).
Memory size 32 GB
Higher than about 70% of the 5,840 comparable items (median 16 GB).
RAM capacity 32 GB
Higher than about 70% of the 13,125 comparable items (median 16 GB).

Specifications

Product
Brand nameDELL
Model nameQCS1250
Year of release2025
Product colorBlack
Processor
ProcessorIntel Core i9
CPUIntel Core i9-14900K
CPU modelIntel Core i9-14900K
CPU socketLGA 1700
Processor cache36 MB
Memory
Memory size32 GB
RAM capacity32 GB
RAM type and speedDDR5 5600
Max supported RAM128 GB
Storage
Storage drive1 TB NVMe SSD
SSD storage1 TB
Display
Touch inputNo
Graphics
GraphicsIntel UHD Graphics 770
GPU modelIntel Graphics
GPU interfaceIntegrated
VR readyNo
Connectivity
Wired networkEthernet
Bluetooth supportBluetooth
Ports & slots
Front USB ports4
Video connectors1x HDMI 2.1, 1x DisplayPort 1.4a
Rear USB ports4
Ethernet port1
Size & build
Form factorSmall Form Factor
Compatibility
Windows 11 supportReady
In the box
Included monitorNot included
Bundled mouseMouse
Pointing deviceWired Mouse
Software
Operating systemWindows 11 Pro
More details
KeyboardKeyboard
Keyboard typeWired Keyboard

Questions about this item

How do I install the DDR5 memory in the QCS1250 SFF, and what step is often missed?

Open the chassis, align the notch on the DDR5 module with the slot key, press firmly until the retention clips click, then verify 5600 MHz operation in BIOS — the step often missed is seating the module fully so both clips engage automatically.

What maintenance or replacement will the QCS1250 SFF need over time?

The 1 TB NVMe SSD has a finite write endurance; plan to replace it once the SMART health indicator approaches its rated TBW limit, and clean dust from the compact 95 mm wide chassis vents annually to maintain airflow.

What limit appears first when the Core i9-14900K runs sustained loads in this SFF?

The 24-core processor can hit 6.0 GHz turbo, but the small 3.74 in. wide enclosure restricts cooler capacity, so thermal throttling under prolonged all-core workloads is the first limit you will encounter.

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