M393B2873FH0 M393B5670FH0 is a DDR3 SDRAM registered memory module produced by Samsung Electronics, based on 1Gb F-die, with 240pins, and a 78FBGA package.
This datasheet describes Samsung's 240‑pin DDR3 Registered DIMM modules, including the M393B2873FHO part and related family members. It lists ordering information, capacity options (1 GB, 2 GB, 4 GB) and the internal organization of each module.
Key sections cover pin‑out diagrams, thermal‑sensor integration, supported DDR3 speed grades (800 – 1600 MT/s), voltage requirements, and detailed electrical characteristics such as timing parameters and absolute maximum ratings.
| Form factor | 240‑pin Registered DIMM |
|---|---|
| Capacity options | 1 GB, 2 GB, 4 GB |
| Supported DDR3 speeds | DDR3‑800, DDR3‑1066, DDR3‑1333, DDR3‑1600 |
| Operating voltage | 1.5 V + 0.075 V |
| Thermal sensor resolution | 0.25 °C per LSB |
It supports DDR3‑800, DDR3‑1066, DDR3‑1333 and DDR3‑1600.
Yes, all Samsung RDIMM modules include a thermal sensor on the DIMM.
The module operates at 1.5 V plus a 0.075 V tolerance.