M391A1K43DB2-CWE Samsung 8GB DDR4-3200 ECC UDIMM
M391A1K43DB2-CWE is a 8GB DDR4-3200 unbuffered ECC UDIMM manufactured by Samsung. This 288-pin memory module provides PC4-25600E performance for compatible systems that support DDR4 ECC UDIMM memory.
The module operates at 3200 MT/s with CL22 latency, 22-22-22 primary timings and the standard DDR4 voltage of 1.2V. Its single-rank 1Rx8 organization supports reliable operation in compatible systems. Each quantity ordered includes one 8GB memory module.
Key Features
- 8GB DDR4 memory capacity
- DDR4-3200 data rate
- PC4-25600E industry designation
- 288-pin ECC UDIMM form factor
- Unbuffered ECC architecture
- Single-rank 1Rx8 organization
- CL22 CAS latency
- 22-22-22 primary timings
- 1.2V standard DDR4 operation
- 25.6 GB/s theoretical bandwidth
- Manufactured by Samsung
- One module per quantity ordered
Common Applications
- Entry-level and tower servers
- Workstations that support ECC UDIMMs
- Network-attached storage (NAS) systems
- Industrial and embedded computers
- Replacement of an identical Samsung module
Is M391A1K43DB2-CWE Compatible With My System?
Before ordering, verify that the server, workstation or embedded system supports 288-pin DDR4 unbuffered ECC UDIMM memory. The system must also support 8GB module capacities and single-rank 1Rx8 organization.
This module is not interchangeable with DDR3 or DDR5 memory, registered RDIMM, load-reduced LRDIMM or laptop SODIMM memory. The module may operate below 3200 MT/s when limited by the processor, motherboard or installed-memory configuration.
M391A1K43DB2-CWE Specifications
Capacity | 8GB |
Memory Type | DDR4 |
ECC | ECC |
DIMM Type | UDIMM |
Rank | 1Rx8 |
Speed | 3200 |
Voltage | 1.2V |
Height | STD |
Depth | 1G |
Width | 72 |
Pins | 288-pin |
Frequency | 1600 |
Temperature | Commercial Temp. 0°C - 85°C |
Module Name | PC4-25600U-E |
Made By | Samsung |
Need Help Confirming Compatibility?
Compare the complete part number and specifications with your existing module or system documentation. For help selecting compatible memory, contact AMP before ordering.









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