Compression Attached Memory Module (CAMM) is a

memory module In computing, a memory module or RAM (random-access memory) stick is a printed circuit board on which memory integrated circuits are mounted. Memory modules permit easy installation and replacement in electronic systems, especially computers such ...

developed at

Dell Dell is an American based technology company. It develops, sells, repairs, and supports computers and related products and services. Dell is owned by its parent company, Dell Technologies. Dell sells personal computers (PCs), servers, data ...

by engineer Tom Schnell as a replacement for

SO-DIMM A DIMM () (Dual In-line Memory Module), commonly called a RAM stick, comprises a series of dynamic random-access memory integrated circuits. These memory modules are mounted on a printed circuit board and designed for use in personal computers, ...

which has been around for 25 years. It was first used in the

Dell Precision Dell Precision is a series of computer workstations for CAD/architecture/ CG professionals, or as small-scale business servers. Dell Precision Mobile Workstations 3000, 5000, 7000 Series (2015–current) Dell announced a new seri ...

7000-series laptops in 2022. The module is interfaced with the

motherboard A motherboard (also called mainboard, main circuit board, mb, mboard, backplane board, base board, system board, logic board (only in Apple computers) or mobo) is the main printed circuit board (PCB) in general-purpose computers and other expand ...

using a

land grid array The land grid array (LGA) is a type of surface-mount packaging for integrated circuits (ICs) that is notable for having the pins on the socket (when a socket is used) rather than the integrated circuit. An LGA can be electrically connected to a ...

type design.

JEDEC The JEDEC Solid State Technology Association is an independent semiconductor engineering trade organization and standardization body headquartered in Arlington County, Virginia, United States. JEDEC has over 300 members, including some of the w ...

refers to the form factor as CAMM Common Spec, in which CAMM 1.0 specification set to be finalized in the second half of 2023 and could be featured on laptops by 2024. According to Tom Schnell, SO-DIMM run into problems at 6400 MHz. Advantages are that it is thinner, allows for replaceable

LPDDR Low-Power Double Data Rate (LPDDR), also known as LPDDR SDRAM, is a type of synchronous dynamic random-access memory that consumes less power and is targeted for mobile computers and devices such as mobile phones. Older variants are also known as ...

modules, provide faster speeds above 6400 MHz, more capacities up to 128 GB per module and higher bandwidth. Disadvantages are that it cannot be mounted without tools and uses six screws.

History

In April 2022, Dell launched laptops in the

7000-series that used a custom form factor of CAMM for

DDR5 SDRAM Double Data Rate 5 Synchronous Dynamic Random-Access Memory (DDR5 SDRAM) is a type of synchronous dynamic random-access memory. Compared to its predecessor DDR4 SDRAM, DDR5 was planned to reduce power consumption, while doubling bandwidth. The ...

References

{{DRAM Computer memory form factor Computer-related introductions in 2022 Dell