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Two green circuit boards with gold edge connectors and black memory chips, no heat spreaders

OWC

OWC 32GB (2x16GB) DDR4 2666 ECC UDIMM CL19 1.2V 2Rx8 PowerEdge R240 T140 T40

SKU CH-A1JX-ZMNCH

ECC UDIMM kit adds 32 GB of DDR4 2666 memory to PowerEdge R240, T140 and T40 servers

  • Capacity32GB (2 x 16GB)
  • Type288-Pin DDR4 ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 32GB (2 x 16GB)

  • 32 GB kit expands server capacity with two 16 GB modules
  • ECC protection detects and corrects single-bit memory errors
  • 2666 MHz DDR4 speed matches PowerEdge R240, T140 and T40 specifications
  • 2 V operation reduces power draw and heat output
  • Backward compatible with 2133 MHz and 2400 MHz systems

Purpose-Built Server Upgrade

This 32GB kit contains two 16GB DDR4 ECC UDIMM modules rated at 2666MHz CL19. It is designed specifically for Dell PowerEdge R240, T140 and T40 systems that require unbuffered error-correcting memory. The kit adds capacity for virtualisation, databases or file services in those supported platforms.

Thermal and Power Profile

Each module operates at the standard 1.2V DDR4 voltage without a heat spreader. The unbuffered design draws minimal power and produces no active noise. JEDEC-standard construction ensures stable operation within the thermal limits of the target PowerEdge chassis under normal workloads.

Build Integration

The 288-pin DIMMs install directly into the server memory slots; no extra cables, brackets or cooling are required. Backward compatibility with 2133MHz and 2400MHz bus speeds allows the kit to function if the system negotiates a lower frequency. Systems needing registered DIMMs or higher capacities per slot cannot use this kit.

Highlights

  • 32 GB kit expands server capacity with two 16 GB modules
  • ECC protection detects and corrects single-bit memory errors
  • 2666 MHz DDR4 speed matches PowerEdge R240, T140 and T40 specifications
  • 2 V operation reduces power draw and heat output
  • Backward compatible with 2133 MHz and 2400 MHz systems

Specifications

BrandOWC
Part Number2E6D42R8032P
Capacity32GB (2 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 about this item

How do I install the 288-pin DDR4 ECC UDIMM modules in my PowerEdge T140 and what step is often missed?

Power off the server, open the chassis, align each module's notch with the slot key, press firmly until the retention clips click, then verify in BIOS that both 16GB sticks are detected at 2666MHz.

What maintenance or replacement will this 32GB kit need over time?

No routine maintenance is required; the modules have no heat spreader and run at 1.2V. Replace only if a stick fails, which is covered by the limited lifetime warranty.

What limit appears first when the 2Rx8 ECC memory runs sustained workloads on a PowerEdge R240?

The DDR4 2666 CL19 timing and 1.2V voltage set the bandwidth ceiling; sustained loads will hit the 21300 MB/s transfer rate before thermal or voltage limits become a factor.

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