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Grey tower workstation with Dell Precision branding, front power button and LED indicators, vertical orientation

DELL

DELL Precision 3650 Tower Core i7-11700K 64GB DDR9 RTX 4000 1TB NVMe

SKU CH-1X4M-4KH9G

Workstation desktop with 8-core Intel Core i7-11700K, 64GB DDR9 memory, NVIDIA Quadro RTX 4000 graphics, 1TB NVMe storage and Windows 11 Pro for professional CAD, rendering and engineering workloads

  • WorkloadWorkstation
  • TypeDesktop
  • LEDsPower, Ethernet, USB
  • Hot-swap FansNo
  • Redundant Hot-swap PowerNo
  • CPU TypeIntel Core i7
  • 8-core Intel Core i7-11700K at 3.60 GHz powers demanding workloads
  • 64GB DDR9 memory handles large projects and smooth multitasking
  • NVIDIA RTX 4000 with 16 GB GDDR6 drives professional visual tasks
  • 1TB NVMe SSD delivers fast boot and responsive application performance
  • Windows 11 Pro pre-installed for secure, modern workstation experience

Professional workstation tower

The Dell Precision 3650 Tower is a new workstation system built for professional applications such as CAD, engineering design, 3D modeling, and content creation. It ships with Windows 11 Pro installed and is powered by an Intel Core i7-11700K processor running at 3.60 GHz with 8 cores and 16 threads. The system includes 64GB of DDR9 memory and a 1TB NVMe M.2 SSD for fast storage access.

Build integration and expandability

This desktop workstation uses an LGA 1200 socket and supports a maximum memory capacity of 128GB across 4 slots, allowing future upgrades beyond the installed 64GB. Professional graphics are provided by an NVIDIA Quadro RTX 4000 card with 8GB GDDR6 memory, offering three DisplayPort outputs and one USB-C VirtualLink connector for multi-display setups. A 1000W power supply supports the graphics card and provides headroom for additional components.

Sustained workload behaviour

The Precision 3650 Tower is engineered for reliable performance during extended rendering, simulation, and data-heavy engineering tasks rather than short bursts. The Quadro RTX 4000 delivers stable professional visual computing for CAD and 3D workflows over long sessions. With no redundant hot-swap power or hot-swap fans, the system relies on its standard cooling and 1000W supply to maintain consistent operation under continuous professional loads.

Highlights

  • 8-core Intel Core i7-11700K at 3.60 GHz powers demanding workloads
  • 64GB DDR9 memory handles large projects and smooth multitasking
  • NVIDIA RTX 4000 with 16 GB GDDR6 drives professional visual tasks
  • 1TB NVMe SSD delivers fast boot and responsive application performance
  • Windows 11 Pro pre-installed for secure, modern workstation experience

Specifications

BrandDELL
SeriesPrecision
Model3650
Part Number3650
WorkloadWorkstation
TypeDesktop
LEDsPower, Ethernet, USB
Hot-swap FansNo
Redundant Hot-swap PowerNo
CPU TypeIntel Core i7
CPU Speed3.60 GHz
CPU SocketLGA 1200
Number of CPU Cores8-Core Processor
Cache Memory16 MB
# of Processors Installed1
MAX Processors1
Installed Memory Size64GB
Memory TypeDDR9
Max Memory Capacity128GB
Number of Memory Slots4
Hard Drive (Installed)1TB
SSD (Installed)1TB
Media DrivesDVD +/- RW
Servers_Graphic Installed1
GPU TypeDedicated Card
Video Memory8 GB
LAN Ports1 x Ports
Management PortRJ 45
Operating SystemWindows 11 Pro
SoftwareOS
Power Characteristics1000W

Questions about this item

Does the i7-11700K throttle under sustained all-core workloads with the standard air cooler?

The 3.60 GHz base clock on the 8-core i7-11700K is backed by a 1000W supply, but the chassis uses fixed fans and a single 120 mm CPU cooler, so prolonged AVX-heavy renders can push the package past its thermal limit and trigger frequency reduction.

How loud is the tower when the Quadro RTX 4000 and CPU run flat-out for hours?

Fixed-speed case fans and the blower-style Quadro RTX 4000 produce a steady mid-range hum that rises noticeably under full GPU compute load; the 1000W PSU fan also spins up, so the system is audible in a quiet office but not disruptive.

Which display cables and monitors are needed to use the three DisplayPort and one USB-C outputs on the RTX 4000?

The card provides three standard DisplayPort 1.4 connectors and one USB-C VirtualLink port, so you need monitors with matching inputs or active adapters for HDMI/DVI; no video cables are included in the box.

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