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Green circuit board with black memory chips in a row

OWC

OWC 16GB DDR4 2933MHz ECC RDIMM 2Rx8 CL21 1.2V 288-pin ThinkAgile HX3520-G HX3521-G HX5520 HX5521 HX7520

SKU CH-68G4-Q633P

16GB DDR4 2933MHz ECC registered RDIMM for Lenovo ThinkAgile HX servers

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

Capacity 16GB

  • ECC registered design prevents data corruption in critical workloads
  • 16GB capacity at 2933MHz expands server memory headroom
  • Validated for Lenovo ThinkAgile HX3520-G, HX3521-G, HX5520, HX5521, HX7520
  • 2V DDR4 operation reduces power draw per module
  • Replaces Lenovo part numbers 01AG631, 4ZC7A08708, 4ZC7A08741

ThinkAgile ECC RDIMM upgrade

This 16GB DDR4 2933MHz registered DIMM targets Lenovo ThinkAgile HX3520-G, HX3521-G, HX5520, HX5521 and HX7520 servers running Xeon SP Gen 2 processors. It delivers ECC error correction for workloads that cannot tolerate silent data corruption.

Registered DDR4 limits

The module operates at 1.2V with CL21 latency and a 2Rx8 organisation. Registered buffering adds one clock cycle of address delay, so it cannot be mixed with unbuffered DIMMs. Backward compatibility covers 2133MHz, 2400MHz and 2666MHz bus speeds.

Replaces Lenovo 01AG631 parts

Swapping out 01AG631, 4ZC7A08708 or 4ZC7A08741 modules with this kit extends capacity without changing voltage or form factor. The jump is worth it when current slots are full and the platform still supports 2933MHz registered memory.

Puntos fuertes

  • ECC registered design prevents data corruption in critical workloads
  • 16GB capacity at 2933MHz expands server memory headroom
  • Validated for Lenovo ThinkAgile HX3520-G, HX3521-G, HX5520, HX5521, HX7520
  • 2V DDR4 operation reduces power draw per module
  • Replaces Lenovo part numbers 01AG631, 4ZC7A08708, 4ZC7A08741

Especificaciones

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) HX3520-G
Lenovo ThinkAgile (Xeon SP Gen 2) HX3521-G
Lenovo ThinkAgile (Xeon SP Gen 2) HX5520
Lenovo ThinkAgile (Xeon SP Gen 2) HX5521
Lenovo ThinkAgile (Xeon SP Gen 2) HX7520

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Preguntas sobre este artículo

Should I pick the 16GB 2Rx8 module or a different capacity for my ThinkAgile HX3520-G?

This part is a single 16GB 2Rx8 DDR4-2933 RDIMM; add one module per slot to reach the total memory your workload needs.

What does the 2933MHz rating actually deliver inside a ThinkAgile HX5520?

The module runs at DDR4-2933 CL21 1.2V; the server’s memory controller will operate it at that speed or at 2666, 2400 or 2133 MHz if the platform requires a lower rate.

Will the 288-pin DDR4 RDIMM interface work in my HX7520 without issues?

Yes — it is a 288-pin DDR4 ECC registered DIMM built for the ThinkAgile Xeon SP Gen 2 platforms listed, and it replaces Lenovo part numbers 01AG631, 4ZC7A08708 and 4ZC7A08741.

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