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Two green circuit boards with gold contacts and black chips, no heat spreaders

OWC

OWC 16GB (2x8GB) DDR4 2666 CL19 ECC UDIMM Kit PowerEdge R240 T140 T40

SKU CH-6QXM-2P19C

16 GB DDR4 2666 ECC UDIMM kit for PowerEdge R240, T140 and T40 servers

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8

Capacity 16GB (2 x 8GB)

  • 16 GB kit boosts server capacity with two 8 GB modules
  • DDR4 2666 CL19 delivers responsive multitasking speed
  • ECC protection detects and corrects single-bit data errors
  • JEDEC 1.2 V standard ensures broad platform compatibility
  • Validated for PowerEdge R240 T140 T40 systems

Dell PowerEdge R240 T140 T40 Memory Kit

This 16GB kit contains two 8GB DDR4 ECC unbuffered UDIMMs built for Dell PowerEdge R240 T140 and T40 servers. It targets administrators who need error-correcting memory for stable operation in entry-level rack or tower systems. The modules run at 2666MHz with CL19 latency and 1.2V voltage. Buyers who need registered DIMMs or higher capacities must look elsewhere.

Thermals Noise and Power Draw

Each module operates at the standard DDR4 1.2V without a heat spreader, relying on system airflow for cooling. Unbuffered ECC DIMMs draw minimal power and produce no audible noise themselves. The 2666MHz speed at CL19 follows JEDEC specifications for predictable thermal behaviour in compatible PowerEdge chassis.

Build Fit and Compatibility

The 288-pin UDIMMs install directly into the server memory slots and are validated for PowerEdge R240 T140 and T40 models. Backward compatibility with 2133MHz and 2400MHz systems allows use in older configurations. No extra cables, brackets or software are required for installation.

How it compares

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

Price $120.99
Cheaper than about 65% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $7.56 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number2E6D41R8016P
Total capacity16 GB (2 × 8 GB)
Product type288-Pin DDR4 ECC UDIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportYes
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsPowerEdge R240
PowerEdge T140
PowerEdge T40

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 288-pin DDR4 ECC UDIMM modules in a PowerEdge R240 and what step is often missed?

Power off the server, open the chassis, align the notch on each 288-pin module with the slot key, press firmly until both retention clips click, then verify in BIOS that all 16GB are recognised at 2666MHz.

What maintenance or replacement will the 1Rx8 ECC unbuffered kit need over its service life?

No routine maintenance is required; the modules have no heat spreader and run at 1.2V, so replacement is only necessary if a DIMM fails or a capacity increase is desired later.

What limit appears first when the CL19 2666MHz kit runs under sustained load in a PowerEdge T140?

The memory controller caps operation at the rated 2666MHz CL19 timing; sustained workloads will not exceed this frequency and the 1.2V supply remains the thermal ceiling.

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