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Two green DDR3 SODIMM sticks with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1600MHz SODIMM memory upgrade A21

SKU CH-C3ZM-NR9RM

8GB DDR3 SODIMM kit with two 4GB modules at 1600MHz for compatible Acer Aspire V3 laptops

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1600 (PC3 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.5 V
  • 8GB total capacity from a matched 2 x 4GB kit
  • DDR3 1600MHz speed rated at PC3-12800 bandwidth
  • CL11 CAS latency with 11-11-11 timing for responsive access
  • 204-pin SODIMM form factor fits Acer Aspire V3 notebooks
  • Tested compatible with V3-571-6643 and V3-571-6800 models

System-specific DDR3 SODIMM kit

This 8 GB kit contains two 4 GB DDR3 SODIMM modules rated at 1600 MHz with CL11 timing. It is built for Acer Aspire V3 models V3-571-6643 and V3-571-6800 and uses the standard 204-pin form factor. Unbuffered, non-ECC operation matches the original notebook specification.

Low-voltage operation and thermals

Each module runs at 1.5 V, while the supplier data also notes a 1.35 V rating for compatible low-voltage slots. The sticks have no heat spreader, relying on the laptop's internal airflow. Power draw stays within standard DDR3 SODIMM limits for silent, cool operation in thin-and-light chassis.

Direct drop-in upgrade

Two SO-DIMM sockets are present in the target notebooks, so this pair fills both slots for the 8 GB maximum. No BIOS update or jumper change is required. Builders who need more than 8 GB or who use a different DDR generation cannot use this kit.

How it compares

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

Price $21.99
Cheaper than about 89% 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 $2.75 per GB
Cheaper than about 91% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM5126412800SODRH
Total capacity8 GB (2 × 4 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1600 (PC3 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsAcer Aspire V3 V3-571-6643, V3-571-6800
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I install these 204-pin SODIMM modules in my Acer Aspire V3-571-6643, and what step is often missed?

Power off the laptop, remove the battery, open the memory cover, align the notch on each module with the slot key, insert at an angle then press down until both side clips click; the step often missed is verifying both clips lock fully on each stick.

What maintenance or replacement will this 8GB kit need over time?

No scheduled maintenance is required; the modules have no heat spreader and run at 1.5V, so replacement is only necessary if a stick fails or the system later needs more than the 8GB maximum supported by the two sockets.

What limit appears first when the memory runs under sustained load?

The 8GB capacity ceiling of the two-slot design is reached before any thermal or voltage limit, since the kit operates at standard 1.5V with CL11 timing and no overclocking headroom.

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