OWC 32GB DDR4 2400MHz ECC Registered RDIMM 2R4D42R432GB
- 32GB
- 288-Pin DDR4 ECC RD…
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OWC
Adds 32 GB of DDR4 ECC registered memory at 2933 MHz CL21 for Lenovo ThinkAgile HX1320 and HX1321 servers
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.
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 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.
| Brand | OWC |
|---|---|
| Part Number | 2R9D42R432GB |
| Capacity | 32GB |
| Type | 288-Pin DDR4 ECC RDIMM |
| Speed | DDR4 2933 (PC4 23400) |
| CAS Latency | CL21 |
| Voltage | 1.2V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 2Rx4 |
| Heat Spreader | No |
| Compatible System | Lenovo ThinkAgile (Xeon SP Gen 2) HX1320 Lenovo ThinkAgile (Xeon SP Gen 2) HX1321 |
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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.
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.
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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