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Green 288-pin DDR4 ECC registered DIMM module, no heat spreader

OWC

OWC 32GB DDR4 2933MHz CL21 ECC Registered RDIMM 2Rx4 for ThinkAgile HX1320 HX1321

SKU CH-P4AF-ZDXZ1

Adds 32 GB of DDR4 ECC registered memory at 2933 MHz CL21 for Lenovo ThinkAgile HX1320 and HX1321 servers

  • Capacity32GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes
  • ECC registered design protects data integrity in servers
  • 32GB capacity expands memory for virtualisation workloads
  • DDR4 2933MHz CL21 speed matches ThinkAgile HX1320 and HX1321 specs
  • 2V operation reduces power draw in dense configurations
  • 2Rx4 dual-rank organisation optimises bandwidth per channel

32GB DDR4 ECC RDIMM for ThinkAgile

This 32GB DDR4 2933MHz CL21 ECC Registered RDIMM is built for Lenovo ThinkAgile HX1320 and HX1321 servers. It operates at 1.2V with a 2Rx4 rank configuration on a 288-pin form factor. The module provides error-correcting code and registered buffering for stable server and workstation operation. It is not compatible with standard desktop computers or unbuffered memory configurations.

Sustained load behaviour

ECC registered architecture corrects single-bit errors and detects multi-bit errors during continuous operation. Registered buffering reduces electrical load on the memory controller, maintaining signal integrity across fully populated slots. The module runs at the standard 1.2V DDR4 voltage. Backward compatibility with 2133MHz, 2400MHz and 2666MHz speeds allows deployment in mixed-speed environments without timing conflicts.

Installation and common issues

Installation follows standard 288-pin RDIMM insertion into compatible ThinkAgile server slots. The module replaces Lenovo part numbers 01AG632, 4ZC7A08709 and 4ZC7A08742. A frequent issue is attempting to use this registered ECC memory in consumer desktop boards that only accept unbuffered non-ECC DIMMs. Mixing registered and unbuffered modules in the same system will prevent boot or cause instability.

Points forts

  • ECC registered design protects data integrity in servers
  • 32GB capacity expands memory for virtualisation workloads
  • DDR4 2933MHz CL21 speed matches ThinkAgile HX1320 and HX1321 specs
  • 2V operation reduces power draw in dense configurations
  • 2Rx4 dual-rank organisation optimises bandwidth per channel

Caractéristiques

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) HX1320
Lenovo ThinkAgile (Xeon SP Gen 2) HX1321

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Questions sur cet article

How much power does the 1.2V DDR4 module draw when the ThinkAgile server runs continuously?

The module operates at 1.2V DDR4 standard voltage; registered ECC RDIMMs at this voltage typically draw only a few watts per stick under sustained load, keeping heat output low in the HX1320 or HX1321 chassis.

What must the ThinkAgile HX1320 or HX1321 already have for this 288-pin RDIMM to work?

The server must provide DDR4 RDIMM slots that support ECC registered memory and a Xeon Scalable Gen 2 processor; unbuffered UDIMMs cannot be mixed with this 2Rx4 module.

Will this 2933MHz CL21 kit run stably alongside existing 2400MHz DIMMs in my HX1321?

Yes — the module is backward compatible with 2133MHz, 2400MHz and 2666MHz speeds, so it will down-clock to match the slowest installed DIMM while retaining ECC and registered operation.

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