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Computer Memory Solutions

Computer Memory Solutions CM512642133DIMM 4GB DDR4 2133MHz memory upgrade

SKU CH-7Y56-95ERQ

4GB DDR4 2133MHz DIMM with CL15 timing and 1.2V operation for Dell OptiPlex 7040 SFF systems

  • Capacity4GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Timing15-15-15
  • Voltage1.2V
  • 4 GB capacity expands system memory for Dell OptiPlex 7040 SFF
  • DDR4 2133 MHz speed matches PC4 17000 specification for supported platforms
  • CL15 15-15-15 timings at 1.2 V deliver stable unbuffered operation
  • 288-pin non-ECC DIMM fits the 7040 SFF memory slots directly
  • Two-rank 2Rx8 organisation on major-brand chips enables 64 GB maximum per system

Dell OptiPlex 7040 SFF upgrade

This 4GB DDR4 module is built for the Dell OptiPlex 7040 SFF. It uses a 288-pin unbuffered non-ECC design at 1.2V. The single stick adds capacity to systems that support up to 64GB across four sockets. Buyers needing ECC or registered memory cannot use this kit.

Sustained 2133MHz operation

The module runs at DDR4 2133 (PC4 17000) with CL15 timing of 15-15-15. Unbuffered architecture feeds data directly to the memory controller without a register step. Major brand chips maintain the rated frequency under continuous workloads. No heat spreader is fitted, so case airflow must handle the thermal load.

Four-slot 64GB ceiling

The OptiPlex 7040 SFF accepts a maximum of 64GB using its four DIMM slots. Each slot takes a 288-pin DDR4 module at 1.2V. This 4GB stick occupies one slot and leaves three open for further expansion. Systems requiring more than 64GB total cannot be satisfied by this platform.

Highlights

  • 4 GB capacity expands system memory for Dell OptiPlex 7040 SFF
  • DDR4 2133 MHz speed matches PC4 17000 specification for supported platforms
  • CL15 15-15-15 timings at 1.2 V deliver stable unbuffered operation
  • 288-pin non-ECC DIMM fits the 7040 SFF memory slots directly
  • Two-rank 2Rx8 organisation on major-brand chips enables 64 GB maximum per system

Specifications

BrandComputer Memory Solutions
ModelCM512642133DIMM
Capacity4GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Timing15-15-15
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemDell OptiPlex 7040 SFF
Package Content1 Memory RAM Stick

Questions about this item

Does the 1.2V DDR4 module add noticeable heat or fan noise inside the OptiPlex 7040 SFF during all-day use?

The stick runs at the standard 1.2V DDR4 voltage with no heat spreader, so it adds minimal thermal load and no extra fan noise in the small-form-factor chassis.

What must the OptiPlex 7040 SFF already have for this 288-pin DIMM to work?

The system needs at least one free DDR4 DIMM slot and a BIOS that supports 2133MHz non-ECC unbuffered memory; the board provides four slots and a 64GB maximum.

Can this CL15 2133MHz stick run alongside the original Dell memory that may be slower or different latency?

Yes, the module will down-clock and match the looser timings of any existing DDR4 DIMMs, so it works mixed with the factory-installed memory.

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