For use in computers, DDR2 SDRAM is supplied in DIMMs with 240 pins and a single locating notch. Laptop DDR2 SO-DIMMs have 200 pins and often come identified by an additional S in their designation. DIMMs are identified by their peak transfer capacity (often called bandwidth).

May 24, 2023 · DDR1: 184-pin (DIMM), 200-pin (SO-DIMM), and 172-pin (micro DIMM). DDR2: 240-pin (DIMM), 200-pin (SO-DIMM), and 214-pin (micro DIMM). DDR3: 240 pins (DIMM), 204 pins (SO-DIMM), and 214 pins (micro DIMM). DDR4: 288-pin (DIMM), 256-pin (SO-DIMM). DDR4 micro DIMMs no longer exist. RAM differences in performance

DDR, DDR2, DDR3, DDR4 and DDR5 all have different pin counts and/or different notch positions, and none of them are forward compatible or backward compatible. DDR5 SDRAM is the most recent type of DDR memory and has been in use since 2020.

Pin descriptions and other pinout information can be found in the documentation for Micron DDR3 memory modules. Download.

Jul 23, 2019 · Though DDR2 modules have the same basic dimensions as DDR modules, they have different voltages and pin configurations. Because of these differences, DDR2 modules have a different key (a notch in the connector) to prevent them …

DDR SDRAM modules for desktop computers, dual in-line memory modules (DIMMs), have 184 pins (as opposed to 168 pins on SDRAM, or 240 pins on DDR2 SDRAM), and can be differentiated from SDRAM DIMMs by the number of notches (DDR …

DDR2 Memory has 120 gold fingers on one side (240 on both sides), 64 pins on the left side of the notch and 56 pins on the right side of the notch; DDR3 memory single-sided gold finger is also 120 (240 on both sides), the left side of the gap is 72 pins, and the right side of the gap is 48 pins.

To use DDR2 memory, your system motherboard must have 240-pin DIMM slots and a DDR2-enabled chipset. A DDR2 SDRAM DIMM will not fit into a standard SDRAM DIMM socket or a DDR DIMM socket. DDR2 modules use a 1.8V power supply, providing a big power saving over the 2.5V DDR modules.

Mar 1, 1998 · DDR2 SDRAM DIMM 240 pin. DDR: Double Data Rate; DIMM: Dual Inline Memory Module; SDRAM: Synchronous Dynamic Random Access Memory, Synchronous to Positive Clock Edge. PIN CONFIGURATIONS (Front side / back side)

Jun 6, 2022 · Pinout of DDR2 DIMM Unbuffered Module (240 pin) and layout of 240 pin DIMM DDR2 connector