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

OWC

OWC 8GB DDR4 2133MHz PC4-17000 CL15 1.2V 288pin ECC Registered RDIMM memory upgrade

SKU CH-EK0Z-M4BXQ

Adds 8 GB of DDR4 ECC registered memory at 2133 MHz for Lenovo ThinkStation P500, P700 and P900 workstations

  • Capacity8GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.2V
  • ECCYes
  • ECC protection prevents data errors in critical workloads
  • Registered buffering stabilises signal integrity for dense server configurations
  • 2V operation reduces power draw and heat output
  • JEDEC-compliant design ensures reliable compatibility with Lenovo ThinkStation P500 P700 P900
  • Single-rank 1Rx8 layout simplifies memory population rules

OWC 8GB DDR4 ECC RDIMM for Lenovo ThinkStation

This 8GB DDR4 2133MHz PC4-17000 CL15 1.2V 288-pin ECC Registered RDIMM is built for Lenovo ThinkStation P500, P700 and P900 workstations. It meets JEDEC standards and carries ROHS compliance. The module uses a 1Rx8 rank configuration without a heat spreader.

Suited for ECC registered workstations and servers

This memory fits users upgrading or repairing the listed ThinkStation models where ECC Registered DIMMs are required. It will not work in standard desktop computers that need unbuffered non-ECC modules. Buyers who need unbuffered memory or a different form factor should look elsewhere.

Straightforward DIMM installation with one key rule

Install by seating the 288-pin module firmly into the correct DDR4 slot until the latches click. The most common issue is mixing this registered ECC DIMM with unbuffered memory, which prevents the system from booting. Verify the platform requires registered ECC before fitting.

Highlights

  • ECC protection prevents data errors in critical workloads
  • Registered buffering stabilises signal integrity for dense server configurations
  • 2V operation reduces power draw and heat output
  • JEDEC-compliant design ensures reliable compatibility with Lenovo ThinkStation P500 P700 P900
  • Single-rank 1Rx8 layout simplifies memory population rules

Specifications

BrandOWC
Part Number2R1D41R808GB
Capacity8GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8
Heat SpreaderNo
Compatible SystemLenovo ThinkStation P500
Lenovo ThinkStation P700
Lenovo ThinkStation P900

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Questions about this item

Does my Lenovo ThinkStation P500 need to support registered ECC DDR4 to use this module?

Yes, the P500 must accept 288-pin DDR4 2133MHz PC4-17000 CL15 1.2V registered ECC RDIMMs; standard desktop boards will not work.

Can I add this 8GB registered ECC RDIMM alongside unbuffered DDR4 already installed in my ThinkStation P700?

No, registered and unbuffered DDR4 cannot be mixed in the same system; all slots must use registered ECC modules.

How do I verify the module runs at 2133MHz CL15 after installing it in a ThinkStation P900?

Check the BIOS memory information or run a system tool such as CPU-Z; it should report DDR4-2133, CL15, 1.2V and registered ECC operation.

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