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Green circuit board with black memory chips and gold edge connector

OWC

OWC 4GB DDR3L 1600 CL11 1.35V SODIMM memory upgrade Lenovo ThinkPad Edge E431 E435 E445 E531 E545 E550 E555

SKU CH-WK5W-XKHH2

A 4 GB DDR3L 1600 SODIMM module that adds memory to compatible Lenovo ThinkPad Edge laptops

  • Capacity4GB
  • Type204-Pin DDR3L Non-ECC SODIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCNo
  • Add 4 GB of DDR3L memory for smoother multitasking
  • 1600 MHz speed with CL11 latency keeps data flowing quickly
  • 35 V low-voltage DDR3L reduces power draw and heat
  • 204-pin SODIMM form factor fits the listed ThinkPad Edge models
  • JEDEC and RoHS compliant for a warranty-safe upgrade

Compatible Lenovo ThinkPad Edge Models

This OWC SODIMM is built for the ThinkPad Edge E431, E435, E445, E531, E545, E550 and E555. It delivers a single 4GB DDR3L module that meets JEDEC and RoHS standards for a warranty-safe upgrade. The 1.35V low-voltage design matches the factory specification for these laptops.

Who This Suits And Who Should Look Elsewhere

Owners of the listed Edge models who want a straightforward 4GB DDR3L 1600 CL11 module will find the correct fit here. It is not for buyers whose laptop requires a different voltage, a different pin count, ECC registered modules, or a higher capacity per slot than 4GB. Systems needing dual-rank or buffered memory should select a different part.

204-Pin DDR3L 1600 CL11 1.35V Specification

The module uses a 204-pin DDR3L interface running at 1600 MT/s with CL11 latency at 1.35V. This exact combination of pin count, generation, speed, latency and voltage determines whether the upgrade will be recognised and stable in the compatible ThinkPad Edge laptops.

Ciri-ciri utama

  • Add 4 GB of DDR3L memory for smoother multitasking
  • 1600 MHz speed with CL11 latency keeps data flowing quickly
  • 35 V low-voltage DDR3L reduces power draw and heat
  • 204-pin SODIMM form factor fits the listed ThinkPad Edge models
  • JEDEC and RoHS compliant for a warranty-safe upgrade

Spesifikasi

BrandOWC
Part Number1S6T31R804GB
Capacity4GB
Type204-Pin DDR3L Non-ECC SODIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemLenovo ThinkPad Edge E431
Lenovo ThinkPad Edge E435
Lenovo ThinkPad Edge E445
Lenovo ThinkPad Edge E531
Lenovo ThinkPad Edge E545

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What comes in the box and do I need to buy anything else to install this module?

The box contains one 4GB DDR3L 1600 CL11 1.35V SODIMM module. No extra parts or tools are required for installation in a compatible ThinkPad Edge laptop.

Should I choose a different capacity or speed version for my ThinkPad Edge E550?

This specific part number is a single 4GB DDR3L 1600 module. If your E550 has a free slot and supports 1.35V DDR3L, this module adds 4GB; select a different capacity only if you need more total memory.

What does the 1600 speed rating mean once the module is running in my E431?

The module operates at DDR3L 1600 (PC3L-12800) with CL11 latency at 1.35V, delivering the rated transfer speed when the system memory controller runs at that frequency.

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