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Green rectangular circuit board with gold edge contacts and black memory chips

OWC

OWC 8S5D31R802GB 2GB DDR3 1066 CL7 1Rx8 1.5V SODIMM memory upgrade

SKU CH-W5YQ-3ZFCC

A 2GB DDR3 SODIMM running at 1066MHz CL7 for select Dell Latitude laptops

  • Capacity2GB
  • Type204-Pin DDR3 Non-ECC SODIMM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Voltage1.5V
  • ECCNo
  • 2GB DDR3 1066 CL7 boosts multitasking on compatible Dell Latitude models
  • JEDEC-standard PC3-8500 module ensures warranty-safe upgrade for E4200 E4300 E4310 E5420m E5520m
  • 5V unbuffered non-ECC SODIMM installs easily in 204-pin laptop slots
  • Single 1Rx8 rank design delivers reliable performance for everyday workloads
  • RoHS-compliant build meets OEM specifications for long-term stability

Compatible Dell Latitude upgrade

This 2 GB DDR3 1066 SODIMM is built for Dell Latitude E4200 E4300 E4310 E5420m and E5520m notebooks. It installs in a single 204 pin slot and runs at the JEDEC standard 1.5 V. The module is new and unbuffered with a CL7 latency rating.

Who should choose this module

Owners of the listed Latitude models who need a direct replacement or a capacity increase to 2 GB will find this part matches the factory specification. Buyers whose systems require a higher capacity per slot or a different voltage should look at other options.

Deciding specification

The 204 pin DDR3 1066 CL7 1.5 V non ECC SODIMM form factor is the single detail that determines fit. If your service manual calls for PC3 8500 unbuffered memory in this exact layout the module will seat and post without configuration changes.

Highlights

  • 2GB DDR3 1066 CL7 boosts multitasking on compatible Dell Latitude models
  • JEDEC-standard PC3-8500 module ensures warranty-safe upgrade for E4200 E4300 E4310 E5420m E5520m
  • 5V unbuffered non-ECC SODIMM installs easily in 204-pin laptop slots
  • Single 1Rx8 rank design delivers reliable performance for everyday workloads
  • RoHS-compliant build meets OEM specifications for long-term stability

Specifications

BrandOWC
Part Number8S5D31R802GB
Capacity2GB
Type204-Pin DDR3 Non-ECC SODIMM
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemDell Latitude E4200
Dell Latitude E4300
Dell Latitude E4310
Dell Latitude E5420m
Dell Latitude E5520m

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

How can I confirm the 2GB DDR3 1066 CL7 SODIMM is running correctly after installing it in my Latitude E4310?

Open Task Manager or System Information in Windows to verify the module shows 2GB at 1066MHz with CL7 timings, then run a memory diagnostic to check for errors.

What comes with the 8S5D31R802GB module and do I need any extra parts for my E5420m?

The package contains one 204-pin 1.5V non-ECC SODIMM; no additional components or tools are required for installation in the listed Latitude models.

Which capacity should I choose if my E4200 currently has a single 1GB stick and I want the maximum supported upgrade?

This 2GB module is the highest capacity single SODIMM offered in this DDR3 1066 CL7 line, so adding it gives you 3GB total if the original stick remains.

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