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Four green DDR4 ECC UDIMM modules with gold contacts

OWC

OWC 64GB (4x16GB) DDR4 2666 CL19 ECC UDIMM 2Rx8 1.2V 288-pin Memory Upgrade Kit for PowerEdge R240 T140 T40

SKU CH-0FA1-N1GMX

Four 16 GB DDR4 2666 ECC UDIMM modules add 64 GB to PowerEdge R240, T140 and T40 systems

  • Capacity64GB (4 x 16GB)
  • Type288-Pin DDR4 ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 64GB (4 x 16GB)

  • 64GB total capacity from four 16GB modules
  • DDR4 2666 speed with CL19 latency for responsive performance
  • ECC unbuffered design protects data integrity in servers
  • JEDEC-standard 1.2V voltage ensures broad compatibility
  • Validated for PowerEdge R240, T140 and T40 systems

Capacity and Compatibility

This 64GB kit contains four 16GB DDR4 2666 CL19 ECC UDIMM modules designed for Dell PowerEdge R240, T140 and T40 systems. It suits administrators who need to expand server memory for virtualization or database workloads within the supported platform list. The unbuffered 2Rx8 organization matches the memory architecture expected by these specific models.

Sustained Workload Behavior

JEDEC-standard 1.2V operation and ECC error correction maintain data integrity during continuous operation in server and workstation environments. The CL19 latency at 2666 MT/s delivers consistent throughput for multi-threaded applications without the voltage increases associated with overclocked memory. Backward compatibility with 2133 and 2400 MT/s allows stable deployment in mixed-speed configurations.

Pre-Installation Checks

Verify that all four DIMM slots are free and that the system BIOS is updated to the latest revision for full 64GB recognition. Confirm the platform requires unbuffered ECC UDIMMs rather than registered or load-reduced variants. Ensure the operating system and applications can utilize the additional capacity before proceeding with the upgrade.

Points forts

  • 64GB total capacity from four 16GB modules
  • DDR4 2666 speed with CL19 latency for responsive performance
  • ECC unbuffered design protects data integrity in servers
  • JEDEC-standard 1.2V voltage ensures broad compatibility
  • Validated for PowerEdge R240, T140 and T40 systems

Caractéristiques

BrandOWC
Part Number2E6D42R8064S
Capacity64GB (4 x 16GB)
Type288-Pin DDR4 ECC UDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemPowerEdge R240
PowerEdge T140
PowerEdge T40

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Questions sur cet article

How much power does the 1.2V DDR4 2666 kit draw when the server runs continuously?

Each 16 GB module operates at 1.2 V, the standard DDR4 voltage, so total draw stays within JEDEC limits for 288-pin ECC UDIMMs.

What must the PowerEdge already have to accept this 4×16 GB ECC UDIMM kit?

The system needs four free 288-pin DDR4 UDIMM slots that support ECC unbuffered memory and a BIOS that recognises 2Rx8 modules.

Will the 2666 MHz CL19 modules work alongside existing 2133 MHz or 2400 MHz DIMMs in a T140?

Yes, the kit is backward compatible with 2133 MHz and 2400 MHz speeds; all installed DIMMs will run at the lowest common frequency.

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