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Last Updated: Aug 22, 2025
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DTM68138-S is an Unbuffered 1Gx64 memory module, which conforms to JEDEC's DDR4-2666V, PC4-2666V standard. The assembly is SingleRank, comprised of eight Samsung 1Gbx8 DDR4- 2666V SDRAMs.
One EEPROM is used for Serial Presence Detect.
Both output driver strength and input termination impedance are programmable to maintain signal integrity on the I/O signals in a Fly-by topology
One EEPROM is used for Serial Presence Detect.
Both output driver strength and input termination impedance are programmable to maintain signal integrity on the I/O signals in a Fly-by topology
Main Specification
| General Information | |
| Manufacturer | Dataram Corporation |
| Manufacturer Part Number | DTM68138-S |
| Manufacturer Website Address | http://www.dataram.com |
| Brand Name | Dataram |
| Product Name | 8GB DDR4 SDRAM Memory Module |
| Product Type | RAM Module |
| Technical Information | |
| Memory Size | 8 GB |
| Memory Technology | DDR4 SDRAM |
| Memory Voltage | 1.20 V |
| Number of Modules | 1 x 8GB |
| Memory Speed | 2666 MHz |
| Memory Standard | DDR4-2666/PC4-21333 |
| Memory Rank | Single-rank |
| Error Checking | Non-ECC |
| Signal Processing | Unbuffered |
| CAS Latency | CL19 |
| Physical Characteristics | |
| Number of Pins | 288-pin |
| Form Factor | DIMM |
| Width | 1.2" |
| Length | 5.3" |
| Miscellaneous | |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
WARNING:: The plastic used in cable products can expose you to lead and lead components,
chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
