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Green circuit board with gold edge connectors and black memory chips

OWC

OWC 8GB DDR4 2666 ECC UDIMM CL19 1Rx8 288-pin 1.2V PowerEdge R240 T140 T40

SKU CH-4DQ3-YWZVS

An 8 GB DDR4-2666 ECC UDIMM module with CL19 latency, 1.2 V operation and 1Rx8 organisation, validated for PowerEdge R240, T140 and T40 systems

  • Capacity8GB
  • Type288-Pin DDR4 ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 8GB

  • ECC protection guards data integrity on compatible servers
  • 2666 MHz DDR4 speed matches PowerEdge R240, T140 and T40 specs
  • 2 V operation reduces power draw and heat
  • Single 8 GB unbuffered module installs in any free 288-pin slot
  • JEDEC and RoHS compliant for warranty-safe upgrades

OWC 8GB DDR4 2666 ECC UDIMM

This 8GB DDR4 module runs at 2666MHz with CL19 latency and 1.2V operation. It is built for Dell PowerEdge R240, T140 and T40 servers that require ECC unbuffered memory. The single-rank 1Rx8 design fits standard 288-pin UDIMM slots and is validated for those platforms.

Fits 288-pin DDR4 slots in compatible PowerEdge

Installation uses the standard UDIMM form factor without a heat spreader, leaving clearance for dense server layouts. The module operates at 1.2V and meets JEDEC and RoHS standards, so it integrates without BIOS changes or extra cooling. Backward compatibility with 2133MHz and 2400MHz buses lets it settle into mixed-speed configurations.

8GB capacity with ECC error correction

The 8GB density suits entry-level virtualization, file serving and workstation workloads that benefit from single-bit error detection. ECC protection maintains data integrity under sustained load, while the CL19 timing delivers stable throughput at 2666MHz. Systems needing larger memory footprints or registered DIMM support will require different modules.

Points forts

  • ECC protection guards data integrity on compatible servers
  • 2666 MHz DDR4 speed matches PowerEdge R240, T140 and T40 specs
  • 2 V operation reduces power draw and heat
  • Single 8 GB unbuffered module installs in any free 288-pin slot
  • JEDEC and RoHS compliant for warranty-safe upgrades

Caractéristiques

BrandOWC
Part Number2E6D41R808GB
Capacity8GB
Type288-Pin DDR4 ECC UDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemPowerEdge R240
PowerEdge T140
PowerEdge T40

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Questions sur cet article

Will the CL19 latency become a bottleneck when the module runs at 2666 MT/s for long periods?

CL19 is the rated timing for 2666 MT/s operation; sustained workloads stay within this specification without additional latency penalty.

Does the lack of a heat spreader make the module run hotter or noisier during all-day server use?

The unbuffered UDIMM operates at 1.2 V without a heat spreader; typical server airflow keeps temperatures in spec and adds no audible noise.

Must the PowerEdge R240, T140 or T40 already have an ECC-capable memory controller for this 1Rx8 UDIMM to function?

Yes — the module is ECC unbuffered DDR4 and requires a platform that supports ECC UDIMMs such as the listed PowerEdge models.

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