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Green circuit board with black memory chips and gold edge connector

OWC

OWC 4GB DDR4 2133MHz CL15 1.2V 260pin SODIMM for Dell XPS 15 9550

SKU CH-JARS-WV3WF

4GB DDR4 2133MHz CL15 1.2V SODIMM upgrades Dell XPS 15 9550 memory capacity

  • Capacity4GB
  • Type260-Pin DDR4 Non-ECC SODIMM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.2V
  • ECCNo
  • Boost responsiveness with 4 GB DDR4 at 2133 MHz
  • Low 1.2 V operation cuts power draw and heat
  • CL15 latency keeps data flowing smoothly
  • 260-pin SODIMM fits Dell XPS 15 9550 slot directly
  • JEDEC and RoHS compliant for a warranty-safe upgrade

Targeted upgrade for Dell XPS 15 9550

This OWC module adds 4GB of DDR4 memory to the Dell XPS 15 9550 laptop. It runs at 2133MHz with CL15 latency and 1.2V operation. The 260-pin SODIMM form factor fits the specific slot layout of this model. Buyers needing higher total capacity or ECC support should look elsewhere.

Installation requirements and system impact

The module is an unbuffered, non-ECC 1Rx8 stick that requires a free SODIMM slot in the Dell XPS 15 9550. No heat spreader is present, so it relies on the laptop's internal airflow. Installation is a user-serviceable DIY task that frees up system resources for multitasking and larger workloads.

Thermals, noise and power draw

Operating at the standard 1.2V DDR4 voltage, the module draws minimal power and generates little heat without a spreader. It adds no moving parts, so acoustic output remains unchanged. The JEDEC-compliant design ensures stable operation within the laptop's existing thermal envelope.

Highlights

  • Boost responsiveness with 4 GB DDR4 at 2133 MHz
  • Low 1.2 V operation cuts power draw and heat
  • CL15 latency keeps data flowing smoothly
  • 260-pin SODIMM fits Dell XPS 15 9550 slot directly
  • JEDEC and RoHS compliant for a warranty-safe upgrade

Specifications

BrandOWC
Part Number2S1D41R804GB
Capacity4GB
Type260-Pin DDR4 Non-ECC SODIMM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemDell XPS 15 9550

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Questions about this item

What is the CAS latency of this 4 GB DDR4 2133 MHz module?

The module runs at CL15 latency, which is the standard timing for DDR4 2133 MHz JEDEC specifications.

How much power does the 1.2 V DDR4 SODIMM draw during continuous operation?

Operating at the standard 1.2 V DDR4 voltage, the module draws minimal power and generates very little heat without a heat spreader.

Does my Dell XPS 15 9550 need a free 260-pin SODIMM slot to install this memory?

Yes, the upgrade requires an available 260-pin DDR4 SODIMM slot in the laptop.

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