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Green circuit board with black memory chips, gold edge connector, no heat spreader

OWC

OWC 16GB DDR4 2400MHz CL17 ECC Registered RDIMM for Lenovo ThinkServer SD350

SKU CH-KPXQ-B3DV6
  • Capacity16GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCYes
  • ECC protection prevents data corruption in critical workloads
  • Registered design stabilises signal integrity for 2400 MHz server operation
  • 16 GB capacity extends Lenovo ThinkServer SD350 memory headroom
  • 2 V DDR4 modules reduce power draw versus higher-voltage alternatives
  • Direct replacement for Lenovo part 4X70G88330 ensures validated compatibility

Purpose-built server memory

This 16GB DDR4 ECC Registered RDIMM is engineered specifically for the Lenovo ThinkServer SD350. It delivers error-correcting, registered performance required by workstation and server platforms. The module operates at 2400MHz with a CL17 latency and a low 1.2V power draw. It is not compatible with standard desktop computers or unbuffered memory configurations.

Capacity and headroom

A single 16GB module adds substantial memory headroom for virtualisation, database caching and multi-user workloads on the SD350. The 2Rx8 organisation and PC4-19200 bandwidth support demanding throughput without exceeding the platform's validated speed. Capacity scales by populating additional slots, but the module itself runs out when applications demand more than 16GB per DIMM or require higher frequencies than 2400MHz.

Upgrade context

This part replaces Lenovo part number 4X70G88330 and upgrades systems running on smaller or slower registered DIMMs. The jump is worthwhile when ECC integrity and registered signal buffering become necessary for stability under sustained load. Buyers who need unbuffered memory, non-ECC operation, or compatibility with consumer desktop motherboards cannot use this module.

Points forts

  • ECC protection prevents data corruption in critical workloads
  • Registered design stabilises signal integrity for 2400 MHz server operation
  • 16 GB capacity extends Lenovo ThinkServer SD350 memory headroom
  • 2 V DDR4 modules reduce power draw versus higher-voltage alternatives
  • Direct replacement for Lenovo part 4X70G88330 ensures validated compatibility

Caractéristiques

BrandOWC
Part Number2R4D42R816GB
Capacity16GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Heat SpreaderNo
Compatible SystemLenovo ThinkServer SD350

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Questions sur cet article

Will this 2400 MHz ECC registered RDIMM run alongside my existing DDR4 modules in the ThinkServer SD350?

It will work if the installed memory is also DDR4 ECC registered at 1.2 V; mixing with unbuffered or non‑ECC DIMMs is not supported.

How can I verify the 16 GB module is detected at 2400 MHz with ECC active after installation?

The system BIOS or UEFI memory information screen will list the capacity, speed and ECC status for each populated slot.

Does the package include only the 288‑pin RDIMM or are any extra parts such as a heat spreader supplied?

Only the 16 GB DDR4 2400 MHz CL17 ECC registered RDIMM is included; no heat spreader or additional accessories are provided.

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