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Green circuit board with black memory chips gold edge connector no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM512642400SO 4GB DDR4 2400MHz SODIMM

SKU CH-BMMV-FHS82

4GB DDR4 2400MHz SODIMM module for Lenovo ThinkPad T460s, T470s and T480s

  • Capacity4GB
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Timing17-17-17
  • Voltage1.2V
  • 4 GB DDR4 SODIMM adds responsive capacity for ThinkPad T460s, T470s, T480s
  • 2400 MHz PC4-19200 speed keeps everyday workloads moving smoothly
  • CL17 timing at 1.2 V delivers efficient low-power operation
  • 260-pin unbuffered non-ECC design fits the factory slot without modification
  • Single 4 GB module from Computer Memory Solutions validated for Lenovo part numbers 20F9xxx, 20FAxxx, 20HFxxx, 20HGxxx, 20JSxxx, 20JTxxx.

System-specific upgrade

This 4GB DDR4 SO-DIMM is built for Lenovo ThinkPad T460s, T470s and T480s notebooks. It installs in the single 260-pin slot to add capacity without opening a second channel.

Sustained workload behaviour

Running at 2400 MHz with CL17 timing and 1.2 V, the module maintains stable throughput during long compile or multitasking sessions. Unbuffered, non-ECC operation keeps latency predictable for typical office workloads.

Upgrade context

It replaces the factory-fitted stick when the original capacity limits multitasking. The jump is worth it when the system shows frequent paging, but it does not help buyers who need more than the platform's maximum supported memory.

Highlights

  • 4 GB DDR4 SODIMM adds responsive capacity for ThinkPad T460s, T470s, T480s
  • 2400 MHz PC4-19200 speed keeps everyday workloads moving smoothly
  • CL17 timing at 1.2 V delivers efficient low-power operation
  • 260-pin unbuffered non-ECC design fits the factory slot without modification
  • Single 4 GB module from Computer Memory Solutions validated for Lenovo part numbers 20F9xxx, 20FAxxx, 20HFxxx, 20HGxxx, 20JSxxx, 20JTxxx.

Specifications

BrandComputer Memory Solutions
ModelCM512642400SO
Capacity4GB
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Timing17-17-17
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemLenovo Thinkpad T460s, T470s, T480s
Package Content1Memory Ram Stick

Questions about this item

Does the 1.2V DDR4 2400 module add noticeable heat or fan noise during all-day use in a ThinkPad T480s?

The module runs at the standard 1.2V DDR4 voltage with no heat spreader, so it adds minimal thermal load and no audible noise in the T480s.

Must the ThinkPad T460s have an empty 260-pin SODIMM slot to install this 4GB stick?

Yes, the upgrade requires one free 260-pin DDR4 SO-DIMM socket; the T460s supports a maximum of 24GB in a single slot.

Will the CL17 timing work alongside the original DDR4 2400 module in a T470s?

Both modules run at DDR4 2400 with matching voltage, so the CL17 stick will operate in step with the factory memory.

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