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Green circuit board with black memory chips and gold edge connector

OWC

OWC 16GB DDR4 2933MHz PC4-23400 CL21 1.2V 288pin ECC Registered RDIMM memory upgrade

SKU CH-9X3D-YTZ8V

16GB DDR4 2933MHz ECC registered RDIMM for Lenovo ThinkAgile HX2320 HX2321 HX3320 HX3321 servers

  • Capacity16GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 16GB

  • ECC registered design protects data integrity in server workloads
  • 16GB capacity adds memory headroom for virtualisation and databases
  • 2933MHz DDR4 speed with CL21 latency delivers responsive throughput
  • 2V operation reduces power draw and heat in dense chassis
  • Validated for Lenovo ThinkAgile HX2320 HX2321 HX3320 HX3321 HX3520-G systems

Server ECC Registered Upgrade

This 16GB DDR4 2933MHz module is built for Lenovo ThinkAgile HX2320 HX2321 HX3320 HX3321 and HX3520-G systems. It uses registered ECC technology required by Xeon SP Gen 2 servers and workstations. The 288-pin RDIMM will not work in standard desktop boards or alongside unbuffered memory. Buyers needing consumer DIMMs or non-ECC RAM should look elsewhere.

Thermals and Power Draw

The module runs at the JEDEC standard 1.2V with CL21 latency and no heat spreader. Registered buffering adds a clock cycle for signal integrity under sustained server loads. Power consumption scales with the 2Rx8 rank configuration at the rated 2933MHz speed. Acoustic output is silent as the DIMM relies on chassis airflow.

Replaces Lenovo Parts

This stick replaces Lenovo part numbers 01AG631 4ZC7A08708 and 4ZC7A08741. Backward compatibility covers 2133MHz 2400MHz and 2666MHz bus speeds so it can fill slots in mixed-speed configurations. The upgrade is worth it when expanding capacity for virtualization databases or NAS workloads on the listed ThinkAgile platforms.

Privalumai

  • ECC registered design protects data integrity in server workloads
  • 16GB capacity adds memory headroom for virtualisation and databases
  • 2933MHz DDR4 speed with CL21 latency delivers responsive throughput
  • 2V operation reduces power draw and heat in dense chassis
  • Validated for Lenovo ThinkAgile HX2320 HX2321 HX3320 HX3321 HX3520-G systems

Specifikacijos

BrandOWC
Part Number2R9D42R816GB
Capacity16GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Heat SpreaderNo
Compatible SystemLenovo ThinkAgile (Xeon SP Gen 2) HX2320
Lenovo ThinkAgile (Xeon SP Gen 2) HX2321
Lenovo ThinkAgile (Xeon SP Gen 2) HX3320
Lenovo ThinkAgile (Xeon SP Gen 2) HX3321
Lenovo ThinkAgile (Xeon SP Gen 2) HX3520-G

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How do I install this 288pin DDR4 RDIMM in a Lenovo ThinkAgile HX3320, and what step is often missed?

Power off the server, open the chassis, align the notch on the 288pin module with the slot key, press firmly until the ejector tabs click shut, then verify in BIOS that the 16GB module registers at 2933MHz with ECC active.

What maintenance or replacement will this 2Rx8 registered ECC module need over its service life?

No scheduled maintenance is required; the module has no heat spreader or moving parts. Replace only if memory diagnostics report uncorrectable ECC errors or the system fails to POST with the DIMM seated.

What limit appears first when this 1.2V CL21 RDIMM runs sustained workloads in a ThinkAgile HX2321?

The registered buffer adds one clock cycle of latency, so the CL21 timing at 2933MHz becomes the throughput ceiling before thermal or voltage limits are reached.

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