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Four green DDR4 DIMM sticks, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions CM2048722666ECCNR 64GB (4x16GB) DDR4 2666 ECC CL19 1.2V 288-Pin DIMM

SKU CH-GAPD-E35C3

Four 16 GB DDR4 ECC modules totalling 64 GB at 2666 MHz CL19 for Dell PowerEdge T140, T340 and T40

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Memory timings19-19-19
  • Rated voltage1.2 V
  • 64 GB total capacity across four 16 GB modules
  • ECC protection detects and corrects single-bit data errors
  • DDR4 2666 MHz speed rated at PC4 21300
  • CL19 latency with 19-19-19 timing at 1.2 V
  • Validated for Dell PowerEdge T140 T340 T40 systems

64GB DDR4 ECC kit for Dell PowerEdge

This 64GB kit contains four 16GB DDR4 modules rated at 2666MHz with CL19 timings. The memory is unregistered ECC DIMM designed specifically for Dell PowerEdge T140, T340 and T40 servers. It operates at 1.2V using a 288-pin interface.

Four stick package with lifetime warranty

The bundle provides four matched modules to fill all available slots in compatible systems. Computer Memory Solutions guarantees compatibility with the listed Dell models and backs the kit with a limited lifetime warranty when purchased directly from them. Product appearance may vary from reference images.

DDR4 2666 speed ceiling and slot limit

Faster DDR4 modules will automatically clock down to 2666MHz to match the processor's supported speed. The four included sticks occupy every DIMM slot in the target servers, so no further memory expansion is possible beyond this 64GB configuration.

How it compares

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

Price $226.99
Cheaper than about 57% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $3.55 per GB
Cheaper than about 87% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM2048722666ECCNR
Total capacity64 GB (4 × 16 GB)
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
Memory timings19-19-19
ECC supportYes
Buffer typeUnregistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsDell Poweredge T140, Poweredge T340, Poweredge T40
In the box
Included items4 Memory Ram Sticks

Questions about this item

Will the ECC function on these 16 GB 2Rx8 modules need reconfiguration after a BIOS update?

The kit is validated for Dell PowerEdge T140, T340 and T40 systems and retains its ECC non-registered operation without further setup.

What limits sustained throughput on this DDR4 2666 CL19 kit?

The CAS 19 timing and 2666 MT/s data rate set the bandwidth ceiling for continuous workloads.

How much heat do the four unbuffered DIMMs add when the server runs all day?

Operating at 1.2 V without heat spreaders, the modules contribute minimal thermal load inside the chassis.

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