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Four green DDR4 DIMM sticks, no heat spreaders, 288-pin, 64GB kit

Computer Memory Solutions

Computer Memory Solutions CM2048642666DIMM 64GB (4×16GB) DDR4 2666 CL19 1.2V 288-pin DIMM memory upgrade

SKU CH-ZXNG-613S8

A 64GB kit of four 16GB DDR4 2666 CL19 DIMMs validated for Dell OptiPlex 7071 Tower and Precision Workstation 5820

  • Capacity64GB (4 x 16GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.20V
  • 64 GB total capacity across four 16 GB modules
  • DDR4 2666 speed rated at PC4 21300
  • CL19 latency with 19-19-19 timing
  • 20 V low-voltage operation for efficiency
  • Designed for Dell OptiPlex 7071 Tower and Precision 5820

Dell OptiPlex 7071 and Precision 5820 compatible

This 64 GB kit contains four 16 GB DDR4 modules built for Dell OptiPlex 7071 Tower and Precision Workstation 5820 systems. The memory runs at 2666 MHz with CL19 latency and 1.20 V operation. It is intended for professionals who need the maximum 128 GB capacity across four slots.

Unbuffered non-ECC DIMMs with major-brand chips

Each stick is a 288-pin 2Rx8 unbuffered DIMM without a heat spreader, keeping the profile low for tight tower chassis. The major-brand chipset and Computer Memory Solutions validation aim to reduce incompatibility risk when filling all four sockets. Mixing with existing modules will force the system to run at the slowest installed speed.

Four-module kit for matched-pair installation

The package supplies four identical sticks so you can populate the board in matched pairs as recommended for stability. A 64-bit operating system is required to address more than 4 GB. Computer Memory Solutions provides a limited lifetime warranty against manufacturing defects when purchased directly from them.

商品特色

  • 64 GB total capacity across four 16 GB modules
  • DDR4 2666 speed rated at PC4 21300
  • CL19 latency with 19-19-19 timing
  • 20 V low-voltage operation for efficiency
  • Designed for Dell OptiPlex 7071 Tower and Precision 5820

商品規格

BrandComputer Memory Solutions
ModelCM2048642666DIMM
Capacity64GB (4 x 16GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemDell OptiPlex 7071 Tower, Precision Workstation 5820 Inter Pentium
Package Content4 Memory RAM Sticks

商品問答

What speed does the DDR4 2666 (PC4 21300) interface cap at in this kit?

The kit runs at 2666 MHz with a PC4 21300 data rate, so all four modules operate at that ceiling.

Will the 288-pin DIMM sticks fit the Dell OptiPlex 7071 Tower and Precision Workstation 5820?

Yes, the 288-pin DIMM form factor matches the four memory slots in both the OptiPlex 7071 Tower and Precision 5820.

How should I install the 4×16 GB modules to avoid the common mistake of leaving performance on the table?

Populate all four slots as a matched set so the system runs the full 64 GB in quad-channel mode; mixing with slower DIMMs drops every stick to the lowest speed.

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