M393A8G40BB4-CWE Samsung 64GB DDR4-3200 ECC RDIMM
M393A8G40BB4-CWE is a 64GB 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 high-capacity 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
- 64GB 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
- (4G × 4) × 36 component composition
- Standard-profile module
- Manufactured by Samsung
- One physical 64GB module per quantity ordered
Common Applications
- Compatible enterprise servers
- Virtualization hosts
- Database and application servers
- Storage and networking systems
- High-capacity server memory upgrades
- Replacement of an identical Samsung module
Is M393A8G40BB4-CWE Compatible With My System?
Before ordering, verify that your server or motherboard supports 288-pin DDR4-3200 ECC registered RDIMM memory, 64GB modules and a dual-rank 2Rx4 organization. This module is not interchangeable with non-ECC UDIMM, ECC UDIMM, SODIMM, LRDIMM, DDR3 or DDR5 memory.
The 2Rx4 designation means the module contains two logical ranks and uses x4-width DRAM components. It does not indicate that two or four modules are included. Each quantity ordered includes one physical 64GB RDIMM.
When adding this module to an existing system, confirm the maximum supported module capacity, total memory capacity, speed, rank organization, DRAM width and population rules. A 64GB RDIMM may require a supported processor generation or firmware revision. 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.
M393A8G40BB4-CWE Specifications
Capacity | 64GB |
Memory Type | DDR4 |
ECC | ECC |
DIMM Type | RDIMM |
Rank | 2Rx4 |
Speed | 3200 |
Voltage | 1.2V |
Form Factor | DIMM |
Pins | 288-pin |
Depth | 8G |
Chip Size | 4GB |
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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