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Last Updated: Dec 19, 2025
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DTM68109B is an Unbuffered 512Mx72 memory module, which conforms to JEDEC's PC4-2133 standard. The assembly is single-rank containing - nine Hynix 512Mx8 DDR4-2133 SDRAMs. One 2K-bit 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.
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 | DTM68109B |
| Manufacturer Website Address | http://www.dataram.com |
| Brand Name | Dataram |
| Product Name | 4GB DDR4 SDRAM Memory Module |
| Product Type | RAM Module |
| Technical Information | |
| Memory Size | 4 GB |
| Memory Technology | DDR4 SDRAM |
| Memory Voltage | 1.20 V |
| Number of Modules | 1 x 4GB |
| Memory Speed | 2133 MHz |
| Memory Standard | DDR4-2133/PC4-2133 |
| Error Checking | ECC |
| Signal Processing | Unbuffered |
| CAS Latency | CL16 |
| Device Supported | Server |
| Physical Characteristics | |
| Number of Pins | 288-pin |
| Form Factor | DIMM |
| Thickness | 107.9 mil |
| Width | 1.2" |
| Length | 5.3" |
| Miscellaneous | |
| Compatibility | Intel S1200SP Server Board |
| 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
