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Two green DDR4 RDIMM modules, no heat spreader, 288 pins each

OWC

OWC 32GB (2x16GB) DDR4 2933 CL21 2Rx4 288-pin 1.2V ECC Registered RDIMM Kit PowerEdge C4140 CascadeLake

SKU CH-TM1Q-94F6B

A 32 GB kit of two 16 GB DDR4 2933 ECC registered RDIMMs for PowerEdge C4140 CascadeLake servers

  • Capacity32GB (2 x 16GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 32GB (2 x 16GB)

Voir les 4 autres configurations
  • 32 GB kit expands server capacity for virtualization and databases
  • ECC registered design detects and corrects single-bit errors automatically
  • DDR4 2933 CL21 at 1.2 V balances throughput with power efficiency
  • 2Rx4 dual-rank organisation improves memory controller utilisation
  • JEDEC and RoHS compliant for warranty-safe deployment in PowerEdge C4140

OWC 32GB DDR4 ECC RDIMM Kit

This kit provides 32GB of DDR4 memory in two 16GB registered DIMMs for the PowerEdge C4140 with CascadeLake CPUs. It is built for servers and workstations that require error-correcting code and registered buffering. It will not work in standard desktop computers or alongside unbuffered or load-reduced modules.

288-Pin Registered Modules Without Heat Spreaders

Each module uses a 288-pin RDIMM form factor and operates at 1.2V without a heat spreader. The registered design places a buffer on the command bus to reduce electrical load on the server memory controller. Ensure your chassis and CPU cooler clearance accommodate bare modules in all populated slots.

DDR4 2933 CL21 2Rx4 PC4-23400 Specification

The modules run at 2933 MT/s with a CAS latency of 21 and a 2Rx4 rank organisation. They are backward compatible with 2666, 2400 and 2133 MT/s bus speeds in supported systems. Verify the server BIOS and CPU memory-controller limits before installation to match the required data rate.

Points forts

  • 32 GB kit expands server capacity for virtualization and databases
  • ECC registered design detects and corrects single-bit errors automatically
  • DDR4 2933 CL21 at 1.2 V balances throughput with power efficiency
  • 2Rx4 dual-rank organisation improves memory controller utilisation
  • JEDEC and RoHS compliant for warranty-safe deployment in PowerEdge C4140

Caractéristiques

BrandOWC
Part Number2R9D42R4032P
Capacity32GB (2 x 16GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemPowerEdge C4140 (CascadeLake CPU)

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Questions sur cet article

What DDR4 speed and PC4 rating does this kit run at?

The modules are rated DDR4 2933 (PC4-23400) with CL21 latency and 1.2V operation.

Will these 288-pin RDIMMs fit a Dell PowerEdge C4140 with CascadeLake CPUs?

Yes — the kit is validated for PowerEdge C4140 (CascadeLake) and uses the standard 288-pin ECC Registered form factor.

How do I install the two 16GB sticks correctly, and what common step is missed?

Populate matching memory channels per the C4140 service manual; the step often missed is ensuring both modules are fully seated until the retention clips click.

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