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OWC
OWC 128GB DDR4 2933 CL21 8Rx4 288-pin 1.2V ECC RDIMM 2R9D48R4128G
A 128GB DDR4 2933 ECC registered DIMM for Dell PowerEdge T640, R740xd, R840, R940 and R940xa servers
- Capacity128GB
- Type288-Pin DDR4 ECC RDIMM
- SpeedDDR4 2933 (PC4 23400)
- CAS Latency21
- Voltage1.2V
- ECCYes
- 128GB single-module capacity expands server memory efficiently
- DDR4 2933MHz speed with CL21 latency delivers responsive performance
- ECC registered technology ensures data integrity for critical workloads
- 2V operation reduces power consumption in dense configurations
- Compatible with Dell PowerEdge T640, R740xd, R840, R940, R940xa servers
Server Memory Upgrade
This 128GB DDR4 2933 MT/s ECC registered DIMM is built for Dell PowerEdge servers including the T640, R740xd, R840, R940 and R940xa. It delivers a single-module capacity increase for workloads that demand maximum memory density per slot. The module operates at 1.2V with a CL21 latency and conforms to JEDEC PC4-23400 specifications.
Fitment Guidance
The part suits administrators expanding compatible PowerEdge platforms where the memory controller supports 8Rx4 registered ECC modules. It will not work in standard desktop mainboards, consumer workstations or systems that require unbuffered or load-reduced DIMMs. Mixing this registered module with other ECC types is not supported by the platform memory architecture.
Deciding Specification
The 8Rx4 rank organisation is the critical parameter; the server memory controller must explicitly support this rank structure for the module to initialise. Verify the platform documentation for 8Rx4 registered DIMM qualification before purchase.
Besonderheiten
- 128GB single-module capacity expands server memory efficiently
- DDR4 2933MHz speed with CL21 latency delivers responsive performance
- ECC registered technology ensures data integrity for critical workloads
- 2V operation reduces power consumption in dense configurations
- Compatible with Dell PowerEdge T640, R740xd, R840, R940, R940xa servers
Technische Daten
| Brand | OWC |
|---|---|
| Part Number | 2R9D48R4128G |
| Capacity | 128GB |
| Type | 288-Pin DDR4 ECC RDIMM |
| Speed | DDR4 2933 (PC4 23400) |
| CAS Latency | 21 |
| Voltage | 1.2V |
| ECC | Yes |
| Buffered/Registered | Registered |
| Rank | 8Rx4 |
| Heat Spreader | No |
| Compatible System | Dell PowerEdge T640 Dell PowerEdge R740xd Dell PowerEdge R840 Dell PowerEdge R940 Dell PowerEdge R940xa |
Fragen zu diesem Artikel
Will the 288-pin DDR4 RDIMM fit the memory slots on my Dell PowerEdge R740xd?
Yes, the module uses the standard 288-pin DDR4 RDIMM form factor required by the PowerEdge R740xd, R840, R940 and T640.
Do I need to install this 128GB ECC registered DIMM in matched pairs or specific channels?
Install the DIMM in the slot sequence shown in the server service manual; the common mistake is placing a single 8Rx4 module in a channel that the BIOS expects to be populated in pairs.
When should I expect to replace this 1.2V DDR4 2933 module in a 24/7 server?
ECC registered DDR4 modules typically run for the server's service life; plan replacement only if SMART health monitoring reports correctable error counts rising above threshold.
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