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

OWC

OWC 128GB DDR4 2933MHz CL21 1.2V 288pin ECC RDIMM Lenovo ThinkSystem

SKU CH-EBVF-ZSZGA

128 GB DDR4 2933 MHz ECC registered DIMM for Lenovo ThinkSystem SD530, SD650, SN550, SN850 and SR630 servers

  • Capacity128GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 128GB

  • 128GB capacity handles heavy virtualisation workloads
  • ECC registered design detects and corrects data errors
  • 2933MHz DDR4 speed matches Xeon SP Gen 2 platforms
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Backward compatible with 2133MHz 2400MHz 2666MHz systems

128GB DDR4 ECC RDIMM for ThinkSystem servers

This 128GB registered DDR4 module is built for Lenovo ThinkSystem servers based on Xeon SP Gen 2 platforms. It targets administrators upgrading SD530, SD650, SN550, SN850 or SR630 systems that require ECC registered memory.

Installation notes for registered DIMMs

The 288-pin RDIMM seats like standard server memory, but the platform must support registered ECC modules. Mixing with unbuffered DIMMs will prevent boot, and desktop motherboards cannot use this memory type.

Compatibility checklist before ordering

Verify your ThinkSystem model matches the listed SD530, SD650, SN550, SN850 or SR630 entries. Confirm the server currently runs registered ECC DDR4 and that the memory controller accepts 2933MHz CL21 1.2V 4Rx4 modules.

Puntos fuertes

  • 128GB capacity handles heavy virtualisation workloads
  • ECC registered design detects and corrects data errors
  • 2933MHz DDR4 speed matches Xeon SP Gen 2 platforms
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Backward compatible with 2133MHz 2400MHz 2666MHz systems

Especificaciones

BrandOWC
Part Number2R9D44R4128G
Capacity128GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemLenovo ThinkSystem (Xeon SP Gen 2) SD530
Lenovo ThinkSystem (Xeon SP Gen 2) SD650
Lenovo ThinkSystem (Xeon SP Gen 2) SN550
Lenovo ThinkSystem (Xeon SP Gen 2) SN850
Lenovo ThinkSystem (Xeon SP Gen 2) SR630

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Preguntas sobre este artículo

How can I verify the 128GB DDR4 2933MHz CL21 module is working correctly after installation in my Lenovo ThinkSystem SR630?

Enter the system BIOS or UEFI and confirm the installed capacity shows 128GB, the speed reads 2933MHz or PC4-23400, and ECC Registered status is reported as active.

What is included with the OWC 2R9D44R4128G module and do I need any extra parts to install it in a ThinkSystem SD530?

The box contains the 128GB 288-pin ECC Registered RDIMM only; no additional cables, brackets or tools are required for installation in a ThinkSystem SD530.

Which capacity and speed version should I choose for a ThinkSystem SN850 running Xeon SP Gen 2 processors?

This 128GB DDR4 2933MHz CL21 1.2V 288-pin ECC Registered RDIMM is the specified configuration for ThinkSystem SN850 with Xeon SP Gen 2 CPUs.

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