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Green circuit board with black memory chips, 260-pin SODIMM form factor, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM2048642666SO 16GB DDR4 2666 CL19 SODIMM for ThinkPad E14 E15 memory upgrade

SKU CH-65NB-HZ24S

16GB DDR4 2666MHz CL19 SODIMM upgrades ThinkPad E14 or E15 with 1.2V unbuffered memory

  • Capacity16GB
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.2V
  • 16 GB single-module upgrade for ThinkPad E14 and E15
  • DDR4 2666 speed keeps data flowing at PC4 21300 bandwidth
  • CL19 latency with 19-19-19 timing delivers responsive multitasking
  • 2 V operation reduces power draw and heat in slim laptops
  • 2Rx8 unbuffered design works within the 48 GB system maximum

16 GB DDR4 SODIMM for ThinkPad E14 and E15

This 16 GB DDR4 2666 MHz module is built for the Lenovo ThinkPad E14 and ThinkPad E15. It uses a 260-pin SO-DIMM form factor and runs at 1.2 V with CL19 timing. The stick is unbuffered, non-ECC and organised as a 2Rx8 rank. It is intended for users who want to add memory to one of those specific laptops.

Single slot upgrade using the only socket

The laptop provides one memory socket and supports a maximum of 48 GB. Installing this 16 GB stick fills that slot and leaves no room for a second module. Because the kit contains a single piece, matched-pair bandwidth is not possible on this platform. A 64-bit operating system is required to address more than 4 GB of memory.

Steady JEDEC speeds without overclocking

The module operates at the standard DDR4 2666 (PC4 21300) data rate and 19-19-19 latency at 1.2 V. No heat spreader is fitted, so thermal performance depends on the laptop’s internal airflow. Under sustained load the memory will maintain its rated JEDEC frequency rather than a temporary boost clock.

Highlights

  • 16 GB single-module upgrade for ThinkPad E14 and E15
  • DDR4 2666 speed keeps data flowing at PC4 21300 bandwidth
  • CL19 latency with 19-19-19 timing delivers responsive multitasking
  • 2 V operation reduces power draw and heat in slim laptops
  • 2Rx8 unbuffered design works within the 48 GB system maximum

Specifications

BrandComputer Memory Solutions
ModelCM2048642666SO
Capacity16GB
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 SystemLenovo ThinkPad E14, ThinkPad E15
Package Content1 Memory RAM Stick

Questions about this item

Will the CL19 latency limit sustained throughput on my ThinkPad E14?

The module runs at DDR4 2666 with CL19 timing; the memory controller will operate at the lowest common speed of all installed sticks, so CL19 sets the baseline for sustained transfers.

Does the unbuffered 1.2 V design run hot or noisy during all-day workloads?

This SODIMM has no heat spreader and draws 1.2 V unbuffered, so it relies on the laptop’s existing cooling; no fan or extra noise is added by the module itself.

Which existing memory slot must be free for this 16 GB stick to work?

The ThinkPad E14 and E15 each have one SODIMM socket, so that single 260-pin slot must be empty or hold the module you are replacing.

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