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

OWC

OWC 32GB DDR4 2933MHz ECC RDIMM CL21 1.2V 288-pin Lenovo ThinkAgile HX3720 HX3721 VX3720 memory upgrade

SKU CH-6C6F-6M8KS

32 GB DDR4 2933 MHz ECC registered RDIMM for Lenovo ThinkAgile HX3720, HX3721 and VX3720 servers

  • Capacity32GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 32GB

  • 32GB capacity doubles server memory headroom for virtualisation workloads
  • ECC registered design detects and corrects single-bit errors to protect data integrity
  • 2933MHz CL21 speed matches Lenovo ThinkAgile HX3720 HX3721 VX3720 specifications
  • 2V DDR4 operation reduces power draw compared to higher-voltage modules
  • Backward compatible with 2133MHz 2400MHz 2666MHz systems for flexible deployment

32GB DDR4 ECC RDIMM for Lenovo ThinkAgile

This 32GB DDR4 2933MHz module is built for Lenovo ThinkAgile HX3720, HX3721 and VX3720 systems. It delivers registered ECC reliability for server and workstation workloads. The 288-pin RDIMM fits the qualified platforms without adaptation.

Registered ECC limits mixing and platform fit

Registered ECC memory cannot be mixed with unbuffered modules and will not work in standard desktop boards. The DDR4 2933MHz speed steps down to 2133MHz, 2400MHz or 2666MHz when the system requires it. CL21 latency and 1.2V operation follow JEDEC specifications for the qualified servers.

Replaces Lenovo 01AG632, 4ZC7A08709 and 4ZC7A08742

This module substitutes the listed Lenovo part numbers directly in the supported ThinkAgile models. The upgrade is worthwhile when expanding capacity in a qualified chassis or when a failed DIMM needs a validated replacement. It is not for systems that require unbuffered memory or a different form factor.

Highlights

  • 32GB capacity doubles server memory headroom for virtualisation workloads
  • ECC registered design detects and corrects single-bit errors to protect data integrity
  • 2933MHz CL21 speed matches Lenovo ThinkAgile HX3720 HX3721 VX3720 specifications
  • 2V DDR4 operation reduces power draw compared to higher-voltage modules
  • Backward compatible with 2133MHz 2400MHz 2666MHz systems for flexible deployment

Specifications

BrandOWC
Part Number2R9D42R432GB
Capacity32GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemLenovo ThinkAgile (Xeon SP Gen 2) HX3720
Lenovo ThinkAgile (Xeon SP Gen 2) HX3721
Lenovo ThinkAgile (Xeon SP Gen 2) VX3720

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Questions about this item

Should I pick the 32GB module or add multiple sticks to reach my target capacity?

Each module is 32GB; add as many 2Rx4 registered DIMMs as your ThinkAgile HX3720, HX3721 or VX3720 has free 288-pin slots.

What does the 2933MHz rating deliver inside a ThinkAgile server?

The module runs at DDR4 2933 PC4-23400 CL21 1.2V; if the platform only supports 2666, 2400 or 2133MHz it will down-clock automatically.

Does the DDR4 288-pin ECC registered interface limit speed or capacity in these servers?

The registered 2Rx4 design is required by Xeon SP Gen 2 ThinkAgile systems; it cannot be mixed with unbuffered DIMMs and will operate at the highest speed the memory controller allows.

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