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Dell Precision T3420 tower workstation, matte black finish, front DVD drive slot visible

DELL

DELL Precision T3420 Tower i7-6700 3.4GHz 16GB DDR4 1TB NVMe

SKU CH-7FDB-SH20C

Compact tower workstation with 3.4 GHz quad-core processor, 16 GB DDR4 memory, 1 TB NVMe SSD and Windows 10 Pro pre-installed

  • TypeTower
  • Redundant Hot-swap PowerNo
  • CPU TypeIntel Core
  • MAX Processors1
  • Chipset180W
  • Installed Memory Size16GB

Installed Memory Size 16GB

SSD (Installed) 1TB

  • Quad-core i7-6700 at 3.4GHz handles multi-threaded workloads
  • 16GB DDR4 memory supports up to 64GB across four slots
  • 1TB NVMe M.2 SSD delivers fast boot and data access
  • Intel HD Graphics 530 drives two displays via DisplayPort and HDMI
  • 425W 80PLUS Gold power supply runs at 90% efficiency

Dell Precision T3420 Tower Workstation

This Dell Precision T3420 tower workstation is built around an Intel Core i7-6700 quad-core processor running at 3.4GHz. It ships with 16GB of DDR4 memory and a 1TB NVMe M.2 SSD. Windows 10 Professional 64-bit is pre-installed. The chassis includes a DVD-RW drive and a 425W 80 PLUS Gold power supply.

Suits single-threaded CAD and office workflows

The four-core CPU and integrated Intel HD Graphics 530 handle 2D design, documentation and general productivity well. Buyers who need more storage than the single 1TB NVMe drive provides should look elsewhere. The 16GB memory ceiling also rules out large dataset analysis or virtualisation workloads.

Max memory capped at 16GB DDR4

The system supports a maximum of 16GB across four DIMM slots running up to 2666MHz DDR4 ECC or non-ECC. This fixed ceiling decides whether the workstation fits your workload. No memory expansion beyond 16GB is possible.

Highlights

  • Quad-core i7-6700 at 3.4GHz handles multi-threaded workloads
  • 16GB DDR4 memory supports up to 64GB across four slots
  • 1TB NVMe M.2 SSD delivers fast boot and data access
  • Intel HD Graphics 530 drives two displays via DisplayPort and HDMI
  • 425W 80PLUS Gold power supply runs at 90% efficiency

Specifications

BrandDELL
SeriesPrecision
ModelPrecision T3420
TypeTower
Redundant Hot-swap PowerNo
CPU TypeIntel Core
MAX Processors1
Chipset180W
Installed Memory Size16GB
Memory TypeDDR4
Max Memory Capacity16GB
Memory FeaturesFour DIMM Slots up to 2666MHz DDR4 ECC or Non-ECC Memory. Memory type and speed is dependent on specific Intel Xeon or Core Processor.
Xeon or Core X Processor installed.
Number of Memory Slots4
SSD (Installed)1TB
Raid LevelRAID 0/1
Media DrivesDVD +/- RW
GPU TypeIntel HD Graphics 530
Video Memory0GB
LAN Ports1 x Ports
Expansion Slots(1) half height PCIe x16 Gen3; (1) half height PCIe x4 Gen 3; (1) M.2 (22x80mm)
Operating SystemWindows 10 Pro 64
Weight25.0000LBS

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

What thermal limit does the 425 W 80PLUS Gold power supply hit first under sustained load?

The 425 W 80PLUS Gold unit delivers up to 425 W continuous; sustained draw at that level is the first thermal ceiling.

How loud and hot does the tower run when the i7-6700 and 1 TB NVMe drive operate all day?

The 425 W 80PLUS Gold supply runs at 90 % efficiency, so waste heat stays low and the single 180 W chipset fan profile keeps noise modest under full load.

Which display cables must I already own to use the integrated Intel HD Graphics 530?

The board provides two DisplayPort and one HDMI port; have matching cables ready for up to two active monitors.

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