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Green circuit board with black memory chips, gold edge connectors, no heat spreader

OWC

OWC 4GB DDR4 2133MHz CL15 1.2V 288-pin UDIMM Dell Precision 3420

SKU CH-277M-9T0ND

4GB DDR4 2133MHz CL15 1.2V 288-pin UDIMM for Dell Precision 3420 workstations

  • Capacity4GB
  • Type288-Pin DDR4 Non-ECC UDIMM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.2V
  • ECCNo
  • 4GB capacity adds multitasking headroom for Dell Precision 3420
  • DDR4 2133MHz CL15 speed matches factory memory timing
  • 2V low voltage reduces power draw and heat
  • 288-pin UDIMM form factor fits the workstation slot directly
  • JEDEC compliant module ensures warranty safe upgrade

Dell Precision 3420 memory upgrade

This 4 GB DDR4 module is built specifically for the Dell Precision 3420 workstation. It installs as a standard 288-pin UDIMM and requires no configuration changes. The part is new and covered by the manufacturer's limited lifetime warranty.

Speed and latency match the platform

The stick runs at 2133 MHz with a CAS latency of CL15, matching the PC4-17000 specification the system expects. Using a different speed or latency can prevent boot or force the memory controller to downclock.

Low-voltage unbuffered design

At 1.2 V the module draws minimal power and generates little heat, so the workstation's existing cooling handles it without extra noise. The unbuffered, non-ECC layout keeps the electrical load light on the memory controller.

Highlights

  • 4GB capacity adds multitasking headroom for Dell Precision 3420
  • DDR4 2133MHz CL15 speed matches factory memory timing
  • 2V low voltage reduces power draw and heat
  • 288-pin UDIMM form factor fits the workstation slot directly
  • JEDEC compliant module ensures warranty safe upgrade

Specifications

BrandOWC
Part Number2U1D41R804GB
Capacity4GB
Type288-Pin DDR4 Non-ECC UDIMM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemDell Precision 3420

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Questions about this item

How does the 2133MHz speed affect everyday use in a Dell Precision 3420?

The module runs at the standard JEDEC DDR4-2133 rate, so the workstation will operate at its native memory frequency without overclocking or manual BIOS changes.

What does the PC4-17000 label tell me about bandwidth limits?

PC4-17000 equals a peak transfer rate of 17 000 MB/s, which is the maximum theoretical throughput for this DDR4-2133 module.

Will the 288-pin UDIMM fit the Dell Precision 3420 DIMM slots without a heat spreader?

Yes, the bare 288-pin unbuffered DIMM matches the Precision 3420 slot keying and low-profile clearance requirements.

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