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

OWC

OWC 1S3D32R808GB 8GB DDR3 1333 PC3-10600 CL9 2Rx8 204-pin 1.5V Non-ECC SODIMM memory upgrade

SKU CH-QQ7V-CQVMX

An 8 GB DDR3 1333 MHz SODIMM module built for the Lenovo ThinkPad W520

  • Capacity8GB
  • Type204-Pin DDR3 Non-ECC SODIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Voltage1.5V
  • ECCNo

Capacity 8GB

  • 8GB capacity expands multitasking headroom for Lenovo ThinkPad W520
  • DDR3 1333 CL9 speed matches factory memory specifications exactly
  • 5V JEDEC-standard voltage ensures stable operation without BIOS changes
  • 204-pin SODIMM form factor fits laptop memory slots directly
  • 2Rx8 dual-rank organisation maximises density in a single module

8 GB DDR3 SODIMM for ThinkPad W520

This single 8 GB DDR3 1333 PC3-10600 CL9 module is built as a direct memory upgrade for the Lenovo ThinkPad W520. It uses the standard 204-pin SODIMM form factor and operates at 1.5 V without ECC or buffering. Installing this module adds capacity to the supported laptop so more applications and larger files can stay in memory at once.

Low-voltage DDR3 runs cool and quiet

DDR3 memory at 1.5 V draws modest power and produces little heat inside the thin chassis of a mobile workstation. The unbuffered, non-ECC design has no active cooling and adds no audible noise. Normal operation stays within the thermal envelope of the ThinkPad W520 without requiring extra airflow or a higher-wattage power adapter.

8 GB single-module capacity

The upgrade consists of one 8 GB stick organised as 2Rx8. Buyers whose ThinkPad W520 already has both SODIMM slots filled must remove an existing module to install this one. Systems limited to a lower maximum per slot or to a total capacity below 8 GB cannot use this module.

Points forts

  • 8GB capacity expands multitasking headroom for Lenovo ThinkPad W520
  • DDR3 1333 CL9 speed matches factory memory specifications exactly
  • 5V JEDEC-standard voltage ensures stable operation without BIOS changes
  • 204-pin SODIMM form factor fits laptop memory slots directly
  • 2Rx8 dual-rank organisation maximises density in a single module

Caractéristiques

BrandOWC
Part Number1S3D32R808GB
Capacity8GB
Type204-Pin DDR3 Non-ECC SODIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemLenovo ThinkPad W520

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Questions sur cet article

How do I install the 204-pin SODIMM in my ThinkPad W520?

Power off, unplug, remove the battery, open the memory door, insert the module at an angle until the gold contacts disappear, then press down until the clips lock

What maintenance or replacement will this 8GB DDR3 module need later?

No scheduled maintenance is required; the module has no heat spreader and is not serviceable, so replacement only occurs if a fault develops

What limit appears first under sustained use with this 1.5V CL9 memory?

The DDR3 1333 speed and CL9 latency set the throughput ceiling before voltage or thermal constraints become a factor

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