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Green DDR4 memory module with gold contacts and black chips

OWC

OWC 16GB DDR4 2666 PC4-21300 CL19 2Rx8 288-pin 1.2V ECC UDIMM memory upgrade

SKU CH-ZR59-ZWBWZ

16GB DDR4 2666MHz ECC UDIMM memory upgrade for PowerEdge R240, T140 and T40 servers

  • Capacity16GB
  • Type288-Pin DDR4 ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 16GB

  • 16 GB DDR4 2666 MHz CL19 boosts multitasking speed
  • ECC unbuffered design protects data integrity in servers
  • 2 V operation reduces power draw and heat
  • 288-pin UDIMM fits PowerEdge R240 T140 T40
  • JEDEC and RoHS compliant for warranty-safe upgrade

OWC 16GB DDR4 2666 ECC UDIMM for PowerEdge R240

This 16GB DDR4 2666 module is an ECC unbuffered UDIMM designed for Dell PowerEdge R240, T140 and T40 servers. It delivers error-correcting memory for workloads that require data integrity in compatible systems.

288-pin JEDEC standard build runs at 1.2V without

The module follows JEDEC PC4-21300 specifications with CL19 latency and 2Rx8 organisation. Its 288-pin unbuffered design fits standard DDR4 UDIMM slots in the listed PowerEdge models and operates at the rated 1.2 volts.

Verify your server model

This upgrade is validated for PowerEdge R240, T140 and T40 only. Confirm the system accepts unbuffered ECC UDIMMs and check how many slots are free, as the module is a single 16GB stick.

Points forts

  • 16 GB DDR4 2666 MHz CL19 boosts multitasking speed
  • ECC unbuffered design protects data integrity in servers
  • 2 V operation reduces power draw and heat
  • 288-pin UDIMM fits PowerEdge R240 T140 T40
  • JEDEC and RoHS compliant for warranty-safe upgrade

Caractéristiques

BrandOWC
Part Number2E6D42R816GB
Capacity16GB
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

What speed does the DDR4 2666 PC4-21300 interface actually run at in a PowerEdge T140?

The module operates at 2666 MHz and will down-clock to 2400 MHz or 2133 MHz if the platform requires a lower speed.

Does the 288-pin ECC UDIMM fit the DIMM slots in a PowerEdge R240 without a heat spreader?

Yes, the bare 288-pin unbuffered DIMM matches the standard DDR4 UDIMM slot layout used in the R240, T140 and T40.

What is the correct way to seat this 2Rx8 module so the ECC function initialises?

Align the notch with the slot key, press straight down until both retention clips click, then verify the system reports 16 GB with ECC active in BIOS.

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