M393A4K40EB3-CWE Samsung 32GB DDR4-3200 ECC RDIMM
M393A4K40EB3-CWE is a 32GB DDR4-3200 ECC registered memory module manufactured by Samsung. This full-size 288-pin RDIMM is designed for compatible servers and professional systems that support registered DDR4 memory.
The module operates at 3200 MT/s with a standard DDR4 voltage of 1.2V. Its dual-rank 2Rx4 organization, CL22 latency and PC4-25600R classification make it suitable for compatible server memory upgrades, replacements and system configurations.
Key Features
- 32GB DDR4 memory capacity
- DDR4-3200 data rate
- PC4-25600R industry designation
- 288-pin RDIMM form factor
- ECC error-correction support
- Registered memory architecture
- Dual-rank 2Rx4 organization
- CL22 CAS latency
- 22-22-22 timing
- Standard 1.2V operation
- Manufactured by Samsung
- One physical 32GB module per quantity ordered
Common Applications
- Compatible enterprise servers
- Virtualization hosts
- Database servers
- Storage and networking systems
- Server memory upgrades
- Replacement of an identical Samsung module
Is M393A4K40EB3-CWE Compatible With My System?
Before ordering, verify that your server or motherboard supports 288-pin DDR4-3200 ECC registered RDIMM memory. This module is not interchangeable with standard non-ECC UDIMM, ECC UDIMM, SODIMM, LRDIMM, DDR3 or DDR5 memory.
This module uses a dual-rank 2Rx4 configuration. When adding it to an existing system, confirm the supported module capacity, memory speed, rank organization and population rules. Avoid mixing RDIMMs with LRDIMMs or unbuffered DIMMs. The module may operate below 3200 MT/s when limited by the processor, motherboard or existing memory configuration.
M393A4K40EB3-CWE Specifications
Capacity | 32GB |
Memory Type | DDR4 |
ECC | ECC |
DIMM Type | RDIMM |
Rank | 2Rx4 |
Speed | 3200 |
Voltage | 1.2V |
Form Factor | DIMM |
Pins | 288-pin |
Depth | 4G |
Chip Size | 8GB |
Banks | 16 Banks & POD-1.2V |
Temperature | Commercial Temp.(0°C ~ 85°C) |
Frequency | 1600 |
Made By | Samsung |
Need Help Confirming Compatibility?
Compare the complete part number and specifications with your server documentation or existing module. For assistance selecting compatible memory, contact AMP before ordering.









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