M378A2K43BB1-CPB Samsung 16GB DDR4-2133 UDIMM
M378A2K43BB1-CPB is a 16GB DDR4-2133 non-ECC unbuffered memory module manufactured by Samsung. This full-size 288-pin UDIMM is designed for compatible desktop computers, workstations and embedded systems that support standard DDR4 unbuffered memory.
The module operates at 2133 MT/s with a standard DDR4 voltage of 1.2V. Its dual-rank 2Rx8 organization, CL15 latency and PC4-17000U classification make it suitable for compatible memory upgrades, replacements and system builds.
Key Features
- 16GB DDR4 memory capacity
- DDR4-2133 data rate
- PC4-17000U industry designation
- 288-pin UDIMM form factor
- Non-ECC architecture
- Unbuffered signal processing
- Dual-rank 2Rx8 organization
- CL15 CAS latency
- 15-15-15 timing
- Standard 1.2V operation
- 2G × 64 module organization
- (1G × 8) × 16 component composition
- Manufactured by Samsung
- One physical 16GB module per quantity ordered
Common Applications
- Compatible desktop memory upgrades
- Business desktop computers
- Professional workstations supporting non-ECC UDIMMs
- Compatible embedded computing platforms
- Replacement of an identical Samsung module
- Legacy DDR4-2133 system maintenance
Is M378A2K43BB1-CPB Compatible With My System?
Before ordering, verify that your motherboard or system supports 288-pin DDR4-2133 non-ECC unbuffered UDIMM memory, 16GB capacity per slot and a dual-rank 2Rx8 organization. This module is not interchangeable with registered RDIMM, LRDIMM, ECC UDIMM, laptop SODIMM, DDR3 or DDR5 memory.
The 2Rx8 designation means the module contains two logical ranks and uses x8-width DRAM components. It does not indicate that two or eight modules are included. Each quantity ordered includes one physical 16GB UDIMM.
When adding this module to existing memory, confirm the motherboard’s maximum capacity, capacity per slot, supported rank configuration and population rules. Try to match the existing module’s capacity, speed, voltage and organization. The module may operate below 2133 MT/s when limited by the motherboard, processor or installed memory configuration.
M378A2K43BB1-CPB Specifications
Capacity | 16GB |
Memory Type | DDR4 |
ECC | Non-ECC |
DIMM Type | UDIMM |
Rank | 2Rx8 |
Speed | 2133 |
Voltage | 1.2V |
Module Name | PC4-17000P-U |
Pins | 288-pin |
Chip Size | 8Gb |
Banks | 16 Banks & POD-1.2V |
Organization | x8 |
Temperature | Commercial Temp.(0°C ~ 85°C) |
Frequency | 1066 |
Made By | Samsung |
Need Help Confirming Compatibility?
Compare the complete part number and specifications with your existing module or system documentation. For assistance selecting compatible memory, contact AMP before ordering.










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