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

OWC

OWC 1S3D31R802GB 2GB DDR3 1333 CL9 1.5V 204-pin SODIMM memory upgrade

SKU CH-ZXE6-38EF5

A 2GB DDR3 1333 CL9 SODIMM module for compatible Lenovo ThinkPad laptops

  • Capacity2GB
  • Type204-Pin DDR3 Non-ECC SODIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Voltage1.5V
  • ECCNo
  • 2GB DDR3-1333 module adds responsive multitasking capacity
  • CL9 latency at 1.5V delivers stable everyday performance
  • 204-pin SODIMM fits Lenovo ThinkPad W701, X1, X121e, X130e, X220 and X220i
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Single-rank 1Rx8 unbuffered design ensures broad laptop compatibility

Targeted DDR3 upgrade for select ThinkPad models

This 2GB DDR3 1333 CL9 SODIMM module is built for Lenovo ThinkPad W701, W701ds, X1, X121e, X130e, X220 and X220i laptops. It installs in a single 204-pin slot and runs at 1.5V without ECC or buffering. The part is new and JEDEC compliant for warranty-safe use.

Single module capacity determines fit

The upgrade consists of one 2GB stick organised as 1Rx8. If your ThinkPad requires a higher single-module density or a different rank configuration this module will not meet that requirement. Check the service manual for the maximum capacity per slot before ordering.

Low-power DDR3 operation

DDR3 at 1.5V draws minimal power and produces negligible heat in normal laptop use. The unbuffered non-ECC design adds no active cooling requirement and runs silently. Power consumption scales with the memory controller load of the host system.

Highlights

  • 2GB DDR3-1333 module adds responsive multitasking capacity
  • CL9 latency at 1.5V delivers stable everyday performance
  • 204-pin SODIMM fits Lenovo ThinkPad W701, X1, X121e, X130e, X220 and X220i
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Single-rank 1Rx8 unbuffered design ensures broad laptop compatibility

Specifications

BrandOWC
Part Number1S3D31R802GB
Capacity2GB
Type204-Pin DDR3 Non-ECC SODIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemLenovo ThinkPad W701
Lenovo ThinkPad W701ds
Lenovo ThinkPad X1
Lenovo ThinkPad X121e
Lenovo ThinkPad X130e

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Questions about this item

What does the 1333 MHz speed mean for my ThinkPad X220?

The module runs at DDR3 1333 (PC3-10600) with CL9 latency; the laptop's memory controller will operate it at the highest speed both the CPU and the slot support, which for these ThinkPad models is 1333 MHz.

Is this SODIMM fully compliant with the DDR3 JEDEC standard for 1.5 V unbuffered memory?

Yes — it is a 204-pin DDR3 non-ECC SODIMM built to JEDEC PC3-10600 CL9 1.5 V specifications, so it meets the electrical and timing requirements for the listed ThinkPad platforms.

Will the 204-pin stick fit the SODIMM slot in a ThinkPad W701ds without a heat spreader?

The module uses the standard 204-pin SODIMM form factor with no heat spreader, matching the physical slot and clearance used in the W701ds and the other compatible ThinkPad models.

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