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Two green DDR3 SODIMM sticks with black chips no heat spreader

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1333MHz CL7 SODIMM for Lenovo Ideapad Y560 0646-Xxx memory upgrade

SKU CH-A71W-90Z97

A matched pair of 4 GB DDR3 SO-DIMM modules running at 1333 MHz with CL7 timing, validated for the Lenovo IdeaPad Y560 0646 series

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • 8 GB kit upgrades Y560 to full 8 GB capacity
  • CL7 timing at 1333 MHz gives low latency response
  • 5 V unbuffered DDR3 matches original notebook spec
  • 204-pin SO-DIMM form factor fits both memory slots
  • 2Rx8 major-brand chips validated for Lenovo 0646-Xxx series

Compatibility with Lenovo Ideapad Y560

This 8 GB kit uses two 4 GB DDR3 SODIMM modules built for the Lenovo Ideapad Y560 0646 series. It targets owners of that notebook who need a straightforward memory upgrade. Buyers with other laptops or desktop platforms cannot use these 204-pin sticks.

Thermals and power draw

Each module runs at 1.5 V with standard unbuffered DDR3 signalling. No heat spreader is fitted so the chips rely on the notebook's internal airflow. Power consumption stays within normal DDR3 limits for this voltage and speed.

What the bundle changes

The pack supplies two matched sticks to fill both SODIMM slots in the supported system. A 32-bit operating system will address up to 4 GB while a 64-bit operating system can use the full 8 GB. No extra software or accessories are included.

How it compares

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

Price $36.99
Cheaper than about 82% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $4.62 per GB
Cheaper than about 81% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM5126410600SODRH
Total capacity8 GB (2 × 4 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL7
Memory timings7-7-7
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsLenovo Ideapad Y560 0646-Xxx Notebook Series
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I install the 204-pin DDR3 SODIMM sticks into the two memory slots of my Lenovo Ideapad Y560 0646-Xxx?

Power off the notebook, remove the battery, open the memory compartment cover, align the notch on each 204-pin stick with the slot key, insert at an angle then press down firmly until the side clips snap into place on both modules.

Will the 1.5V DDR3 modules need any firmware updates or thermal paste replacement during their service life?

No firmware updates or thermal paste are required; the unbuffered non-ECC SODIMMs have no heat spreader and no moving parts, so they run maintenance-free as long as the laptop's cooling system keeps the chassis within normal operating temperatures.

At what point does the CL7 1333MHz timing become the bottleneck during prolonged heavy workloads?

The CAS latency of 7 cycles at 1333 MHz fixes the minimum random-access delay, so sustained multi-threaded loads that exceed the 8 GB dual-channel capacity will hit capacity limits before the CL7 timing itself becomes the primary throughput constraint.

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