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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

  • Capacity32GB (2 x 16GB)
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.2V
  • 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.

Highlights

  • 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

Specifications

BrandComputer Memory Solutions
ModelCM2048642666SO
Capacity32GB (2 x 16GB)
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemAcer Aspire Nitro 5 (AN515-54-54W2), Nitro 5 (AN515-54-51M5)
Package Content2 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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