RIMM (Rambus Inline Memory Module) uses a 184-pin slot for RDRAM (Rambus DRAM) operating at 800-1600 MHz with a very narrow 16-bit channel. Used in Intel Pentium 4 systems around 2000-2003.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VSS | Ground | GND |
| 2 | CLK | Rambus differential clock | BUS |
| 3 | CLK# | Rambus differential clock complement | BUS |
| 184 | VSS | Ground | GND |