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Green rectangular SODIMM module with black memory chips and gold contacts

Lenovo

Lenovo 4GB DDR3 1600 SODIMM PC3-12800 memory upgrade 0A65723

SKU CH-0C3B-QT8EY

A 4 GB DDR3 SODIMM running at 1600 MHz to add capacity and speed to compatible ThinkPad or ThinkCentre systems

  • Total capacity4 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • Boosts multitasking with 4GB DDR3 1600 capacity
  • Faster data rates than 1333MHz modules at 1600MHz
  • Proven 100% compatibility with supported ThinkPad systems
  • Meets strict Lenovo reliability standards for memory
  • Cost-effective upgrade to improve overall system performance

Lenovo 4GB DDR3 1600 SODIMM module

This Lenovo SODIMM adds 4GB of DDR3 1600 memory to compatible ThinkPad or ThinkCentre systems. It is designed for users who want to increase standard capacity and run more programs at once. The module follows the PC3-12800 specification for straightforward installation. It targets owners of supported Lenovo platforms seeking a direct memory upgrade.

Standard voltage DDR3 operation

The module runs at the standard DDR3 1600 frequency with PC3-12800 bandwidth. Normal use stays within the defined thermal and power envelope for SODIMM form factor memory. No additional cooling or voltage adjustment is required beyond the system defaults. Acoustic impact is negligible because the component has no moving parts.

Tested compatibility and warranty alignment

Lenovo validates each module for 100 percent compatibility with listed ThinkPad and ThinkCentre models. The memory meets the manufacturer's internal reliability standards for system specific upgrades. When installed in a new Lenovo system the module assumes the system warranty automatically. Buyers needing higher densities or different form factors should verify their platform supports the required specifications.

How it compares

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

Price $44.99
Cheaper than about 79% 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 $11.25 per GB
Pricier than about 56% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Total capacity4 GB
Performance
Rated speedDDR3 1600 (PC3 12800)

Questions about this item

How do I install this SODIMM module in a ThinkPad or ThinkCentre?

Power off the system, remove the battery if accessible, open the memory compartment, align the notch on the module with the slot key, insert firmly until the gold contacts are no longer visible, then press down until the side clips click into place.

What maintenance or replacement will this 4GB DDR3 1600 module need over time?

No scheduled maintenance is required; the module is a solid-state component with no moving parts, so replacement is only necessary if a fault develops or if you later upgrade to a higher capacity.

What performance limit appears first when this PC3-12800 memory runs under sustained load?

The 1600 MT/s data rate and 4 GB capacity set the throughput ceiling; once the workload exceeds the available bandwidth or fills the 4 GB address space, the system will swap to storage, which is the first bottleneck.

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