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

OWC

OWC 4GB DDR3 1333 CL9 2Rx8 1.5V SODIMM memory upgrade

SKU CH-E3X3-4Y89F

A 4GB DDR3 SODIMM running at 1333MHz CL9 1.5V for upgrading compatible Lenovo ThinkPad Edge laptops

  • Total capacity4 GB
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8
  • Boost responsiveness with 4 GB DDR3 1333 MHz CL9 module
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Simple DIY install fits 204-pin SODIMM slots
  • Tested to meet or exceed OEM specifications
  • Compatible with ThinkPad Edge E120 E125 E220s E320 E325 E420 E420s

4GB DDR3 SODIMM for ThinkPad Edge

This 4GB DDR3 1333 CL9 SODIMM is built for Lenovo ThinkPad Edge models E120, E125, E220s, E320, E325, E420 and E420s. It uses a 204-pin unbuffered non-ECC design at 1.5V. The module installs directly into the laptop memory slot.

Suits owners of listed Edge laptops.

Buyers with a compatible ThinkPad Edge seeking a straightforward capacity increase will find this module matches the factory specifications. Systems that require ECC registered memory or a different DDR generation cannot use this SODIMM. Builders needing higher density than 4GB per slot should look elsewhere.

204-pin DDR3 1333 CL9 1.5V form factor decides fit

The 204-pin DDR3 SODIMM interface running at 1333 MT/s with CL9 timing and 1.5V operation is the single specification that determines compatibility. Only laptops accepting this exact electrical and physical standard will recognise the module. Verify the service manual before purchase.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $19.99
Cheaper than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $5.00 per GB
Cheaper than about 77% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number1S3D32R804 GB
Total capacity4 GB
Product type204-Pin DDR3 Non-ECC SODIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsLenovo ThinkPad Edge E120
Lenovo ThinkPad Edge E125
Lenovo ThinkPad Edge E220s
Lenovo ThinkPad Edge E320
Lenovo ThinkPad Edge E325

Other versions of this model

5 more in the same range

Questions about this item

How much power does the 1.5V DDR3 SODIMM draw when the ThinkPad runs all day?

The module operates at the standard 1.5V DDR3 voltage, so power draw stays within JEDEC limits for a 4GB PC3-10600 CL9 stick under continuous load.

What must the laptop already have for this 204-pin module to work?

A free 204-pin DDR3 SODIMM slot that accepts 1.5V unbuffered non-ECC memory, as found in the listed ThinkPad Edge models.

Will this CL9 1333MHz stick run correctly alongside the original 10600 memory in an E320?

Yes, it matches the PC3-10600 1333MHz CL9 specification, so it will run at the same speed and timings as the factory module.

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