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Two green DDR4 SODIMM sticks, black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM2048642666SO 32GB (2x16GB) DDR4 2666MHz CL19 1.2V 2Rx8 SODIMM memory upgrade

SKU CH-69MA-VV507

32 GB kit of two 16 GB DDR4 2666 MHz CL19 SODIMM modules for Acer Nitro 5 AN515-54 models

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Memory timings19-19-19
  • Rated voltage1.2 V
  • 32 GB total capacity from two 16 GB modules
  • DDR4 2666 MHz speed rated at PC4 21300
  • CL19 latency with 19-19-19 timing
  • 2 V low-voltage unbuffered operation
  • 260-pin SODIMM fits Acer Nitro 5 AN515-54 models

32GB DDR4 2666MHz SODIMM kit

This 32GB kit contains two 16GB DDR4 2666MHz CL19 modules built to 260-pin SO-DIMM form factor. It targets owners of Acer Aspire Nitro 5 models AN515-54-54W2 and AN515-54-51M5 who need the maximum 64GB capacity across two sockets. The unbuffered non-ECC design runs at 1.2V with 2Rx8 organisation.

Sustained-load behaviour

Matched-pair installation lets the memory controller run both modules at the rated 2666MHz without downclocking to the slowest installed stick. CL19 19-19-19 timings remain stable during extended workloads because the modules are unbuffered and specify 1.2V operation. Major-brand chipsets and the absence of a heat spreader keep thermal characteristics predictable inside the Nitro 5 chassis.

DDR4 SO-DIMM interface limits

The 260-pin DDR4 SO-DIMM interface caps bandwidth at the PC4-21300 data rate, so any faster module added later will be forced to 2666MHz. Two sockets restrict total system memory to 64GB, and a 64-bit operating system is required to address more than 4GB. Mixing with other DDR4 modules is possible but the entire array will operate at the lowest common speed.

How it compares

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

Price $172.99
Cheaper than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $5.41 per GB
Cheaper than about 71% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM2048642666SO
Total capacity32 GB (2 × 16 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
Memory timings19-19-19
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsAcer Aspire Nitro 5 (AN515-54-54W2), Nitro 5 (AN515-54-51M5)
In the box
Included items2 Memory RAM Sticks

Questions about this item

Does the 1.2V DDR4 2666MHz kit run hot or noisy inside the Nitro 5 chassis all day?

The modules operate at standard 1.2V with no heat spreader, so they rely on the laptop’s existing airflow; they add no fan noise and run at typical DDR4 thermals for 2666MHz CL19 operation.

What must my Acer Nitro 5 already have — slots, BIOS, OS — for this 2x16GB 260-pin kit to work?

The Nitro 5 AN515-54 models need two free 260-pin SODIMM sockets, a 64-bit operating system to address 32GB, and a BIOS that supports DDR4 2666MHz non-ECC unbuffered memory.

If I keep one 16GB stick already in the laptop, how will this 2Rx8 CL19 pair behave alongside it?

All modules will run at the slowest installed speed and tightest common timings; mixing ranks or latencies may force the kit down from its rated 2666MHz CL19 performance.

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