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Black mid-tower workstation chassis with front panel ports and ventilation grille

DELL

DELL Precision 3650 Mid-Tower i7-11700K 3.6GHz 64GB DDR4 2TB NVMe Windows 11 Pro desktop PC

SKU CH-HSZ3-EKDNW

Mid-tower workstation with an 8-core i7-11700K, 64 GB DDR4 and a 2 TB NVMe SSD for CAD, modelling and data-intensive tasks

  • TypeBusiness Desktops & Workstations
  • Form FactorMid Tower
  • UsageBusiness
  • ColorBlack
  • MonitorMonitor not included
  • Operating SystemWindows 11 Pro
  • 8-core i7-11700K reaches 5.0 GHz turbo for fast multi-threaded compute
  • 64 GB DDR4 3200 MHz memory handles large datasets and multitasking
  • 2 TB NVMe SSD provides rapid boot and project loading
  • Dual DisplayPort on integrated Intel UHD 630 graphics drives two monitors
  • 460 W 80PLUS Gold power supply delivers efficient, stable energy

Dell Precision 3650 Workstation

The Dell Precision 3650 is a mid-tower workstation built for professionals who need reliable performance for CAD design, 3D modelling, engineering applications and financial analysis. It ships with an Intel Core i7-11700K 8-core processor, 64GB of DDR4 3200MHz memory and a 2TB NVMe SSD. Windows 11 Pro is pre-installed for immediate deployment in business environments. Buyers who require discrete graphics acceleration or ECC memory support should verify compatibility before purchase.

Thermals and Power

A Dell 460W 80PLUS Gold certified power supply delivers efficient energy conversion for the configured components. The Intel Core i7-11700K operates at a 3.6GHz base frequency with a 5.0GHz turbo boost, while integrated Intel UHD Graphics 630 handles display output without a separate graphics card. This combination keeps thermal output manageable for standard office workloads. Systems needing sustained heavy compute or add-in cards may exceed the cooling or power headroom of this chassis.

Included Extras

Dual DisplayPort outputs on the integrated graphics enable a two-monitor setup without additional hardware. The Intel I219-LM Gigabit Ethernet controller provides wired network connectivity at 10/100/1000 speeds. Realtek ALC3246 high-definition audio supports integrated sound for conferencing and media. Four pre-installed 16GB DDR4 modules fill the available slots, so further memory expansion requires replacing existing sticks.

Highlights

  • 8-core i7-11700K reaches 5.0 GHz turbo for fast multi-threaded compute
  • 64 GB DDR4 3200 MHz memory handles large datasets and multitasking
  • 2 TB NVMe SSD provides rapid boot and project loading
  • Dual DisplayPort on integrated Intel UHD 630 graphics drives two monitors
  • 460 W 80PLUS Gold power supply delivers efficient, stable energy

Specifications

SeriesPrecision
Model3650
TypeBusiness Desktops & Workstations
Form FactorMid Tower
UsageBusiness
ColorBlack
MonitorMonitor not included
Operating SystemWindows 11 Pro
CPU TypeIntel Core i7
CPU Name0
CPU Socket TypeLGA 1200
GPU/VGA TypeIntel HD Graphics 630
Memory Capacity64GB DDR4
Memory SpeedDDR4 3200
Maximum Memory Supported128 GB
SSD2 TB PCIe
HDDNo
Screen SizeNo Screen

Questions about this item

How do I install the 64GB DDR4 3200 memory in the Precision 3650, and what step is often missed?

The system ships with four 16 GB modules filling every slot. To add more, remove existing DIMMs first — the step people miss is matching the new sticks to the same DDR4 3200 speed and unbuffered type so the board trains correctly.

What maintenance or replacement will the 460W 80PLUS Gold power supply need later?

The 460W unit is sealed and not user-serviceable. Under heavy sustained loads the internal fan bearings are the first part to wear; plan to replace the entire PSU with another 80PLUS Gold model of equal or higher wattage when noise or voltage drift appears.

What limit appears first on the Intel UHD Graphics 630 during sustained workloads?

The integrated GPU shares the 64GB DDR4 3200 system memory and has no dedicated VRAM. Under prolonged 3D or compute tasks the shared memory bandwidth saturates before the i7-11700K hits its thermal ceiling, capping frame rates and compute throughput.

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