M378A1K43CB2-CTD Samsung 8GB DDR4-2666 UDIMM
M378A1K43CB2-CTD is a 8GB DDR4-2666 unbuffered non-ECC UDIMM manufactured by Samsung. This 288-pin memory module provides PC4-21333U performance for compatible systems that support DDR4 non-ECC UDIMM memory.
The module operates at 2666 MT/s with CL19 latency, 19-19-19 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
- DDR4-2666 data rate
- PC4-21333U industry designation
- 288-pin UDIMM form factor
- Unbuffered non-ECC architecture
- Single-rank 1Rx8 organization
- CL19 CAS latency
- 19-19-19 primary timings
- 1.2V standard DDR4 operation
- 21.3 GB/s theoretical bandwidth
- Manufactured by Samsung
- One module per quantity ordered
Common Applications
- Desktop PCs
- Industrial and embedded computers
- Point-of-sale and kiosk systems
- Small-form-factor systems with full-size DIMM slots
- Replacement of an identical Samsung module
Is M378A1K43CB2-CTD Compatible With My System?
Before ordering, verify that the desktop, motherboard or embedded system supports 288-pin DDR4 unbuffered non-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, ECC-only platforms or laptop SODIMM memory. The module may operate below 2666 MT/s when limited by the processor, motherboard or installed-memory configuration.
M378A1K43CB2-CTD Specifications
Capacity | 8GB |
Memory Type | DDR4 |
ECC | Non-ECC |
DIMM Type | UDIMM |
Rank | 1Rx8 |
Speed | 2666 |
Voltage | 1.2V |
Height | STD |
Depth | 1G |
Width | 64 |
Pins | 288-pin |
Frequency | 1333 |
Temperature | Commercial Temp. 0°C - 85°C |
Module Name | PC4-21333U-U |
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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