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Green rectangular DDR4 RDIMM module with black chips on both sides, gold edge connector, no heat spreader

OWC

OWC 64GB DDR4 2933MHz CL21 ECC Registered RDIMM 2Rx4 1.2V memory upgrade

SKU CH-GZMR-W2534

64 GB DDR4 ECC registered DIMM running at 2933 MHz CL21 for Lenovo ThinkSystem SD530, SD650, SN550, SN850 and SR630 servers

  • Capacity64GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 64GB

  • 64GB capacity supports demanding server workloads
  • ECC registered design protects data integrity in critical applications
  • DDR4 2933MHz CL21 delivers responsive performance for ThinkSystem platforms
  • 2V operation reduces power consumption in dense deployments
  • Validated for Lenovo SD530 SD650 SN550 SN850 SR630 servers

64GB DDR4 ECC RDIMM for ThinkSystem

This OWC module delivers 64GB of DDR4 2933MHz registered ECC memory in a 288-pin RDIMM format. It operates at 1.2V with CL21 latency and a 2Rx4 rank configuration. The part is validated for Lenovo ThinkSystem servers built on Xeon SP Gen 2 platforms including the SD530, SD650, SN550, SN850 and SR630.

Suited for Xeon server upgrades only

The registered ECC design suits administrators expanding memory in the listed ThinkSystem servers or compatible workstation and NAS systems that require registered DIMMs. It will not work in standard desktop computers or any platform that only accepts unbuffered memory, and it cannot be mixed with unbuffered modules in the same system.

Check slot type and population rules

Verify that your server uses 288-pin DDR4 RDIMM slots and supports registered ECC modules at 2933MHz, 2666MHz, 2400MHz or 2133MHz. Confirm the maximum DIMM capacity per slot and the allowed population order for the specific ThinkSystem model before ordering.

Privalumai

  • 64GB capacity supports demanding server workloads
  • ECC registered design protects data integrity in critical applications
  • DDR4 2933MHz CL21 delivers responsive performance for ThinkSystem platforms
  • 2V operation reduces power consumption in dense deployments
  • Validated for Lenovo SD530 SD650 SN550 SN850 SR630 servers

Specifikacijos

BrandOWC
Part Number2R9D42R464GB
Capacity64GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
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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Does my Lenovo ThinkSystem server need to support DDR4 2933MHz ECC Registered RDIMMs for this 64GB module to work?

Yes, the module is a 288-pin DDR4 2933MHz PC4-23400 CL21 1.2V ECC Registered RDIMM designed for Lenovo ThinkSystem Xeon SP Gen 2 servers including SD530, SD650, SN550, SN850 and SR630.

Can I mix this 64GB 2Rx4 registered module with any existing unbuffered DDR4 DIMMs already installed in my ThinkSystem SR630?

No, ECC Registered memory cannot be mixed with unbuffered memory; all slots must use registered modules for the server to operate correctly.

After installation, how can I verify the module is running at the correct 2933MHz speed with ECC active?

Check the system BIOS or UEFI memory information screen; it should report 2933MHz (PC4-23400), CL21, 1.2V, ECC Registered and 64GB capacity per module.

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