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Green rectangular circuit board with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions CM20486417000SO 16GB DDR4 2133MHz SODIMM for Dell Latitude 12 7280 memory upgrade

SKU CH-6TBA-MFX5A

16GB DDR4 2133MHz SODIMM upgrades Dell Latitude 12 7280 with CL15 timing

  • Total capacity16 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL15
  • Memory timings15-15-15
  • Rated voltage1.2 V
  • 16 GB DDR4 2133 MHz SODIMM expands Dell Latitude 12 7280 memory
  • CL15 15-15-15 timing delivers responsive system performance
  • 2 V unbuffered operation reduces power draw
  • 260-pin 2Rx8 module installs directly in factory slot
  • Lifetime exchange warranty from Computer Memory Solutions covers defects

Compatible upgrade for Latitude 12 7280

This 16 GB DDR4 SODIMM is built specifically for the Dell Latitude 12 7280 laptop. It delivers a single 260-pin module rated at 2133 MHz with CL15 timings and 1.2 V operation. The unbuffered, non-ECC design matches the factory memory specification for this ultraportable system.

Replaces lower-capacity factory modules

The kit upgrades the original 4 GB or 8 GB stick installed in the Latitude 12 7280, raising total memory to 16 GB or 32 GB depending on the second slot. The jump is worth it when multitasking with large spreadsheets, virtual machines or many browser tabs exceeds the original capacity and causes frequent swapping to storage.

Steady throughput under sustained workloads

CL15 timing at 2133 MHz provides consistent bandwidth during long compile jobs, video renders or database queries without the latency spikes seen in slower modules. The 2Rx8 organisation and major-brand chipset maintain stable operation at the rated 1.2 V across extended sessions in the compact chassis.

How it compares

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

Price $78.99
Cheaper than about 70% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $4.94 per GB
Cheaper than about 77% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM20486417000SO
Total capacity16 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2133 (PC4 17000)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL15
Memory timings15-15-15
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell Latitude 12 (7280)
In the box
Included items1Memory Ram Stick

Questions about this item

Will the 260-pin SODIMM fit the Dell Latitude 12 7280 memory slot?

Yes, the module is a 260-pin DDR4 SODIMM built to the Dell Latitude 12 7280 specification, so it seats directly in the laptop's SO-DIMM slot.

What is the correct orientation step when installing this CM20486417000SO module?

Align the notch on the gold edge connector with the key in the slot, press the stick in firmly until it clicks, then push down until the side clips lock automatically.

When should this 16GB DDR4 2133MHz stick be replaced or upgraded?

Replace it if memory diagnostics report errors, or upgrade later by adding a second 16GB SODIMM to reach the 32GB two-socket maximum supported by the Latitude 12 7280.

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