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Specifications

Key specifications

Memory chipDDR3-1600
Number of memory modules2 x
Storage capacity (RAM) per module4 GB
Memory form factorSODIMM 204

General information

Manufacturer Apple
Product type Model-specific memory
Item number329023
Manufacturer no.MD633G/A
Release date13.06.2012

Memory

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Memory

Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media used to retain digital data. It is a core function and fundamental component of computers.

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Passende Marke
Apple
Arbeitsspeicher Anwendungsbereich
Notebook
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Notebook

A laptop, also called a notebook, is a personal computer for mobile use. A laptop integrates most of the typical components of a desktop computer, including a display, a keyboard, a pointing device (a touchpad, also known as a trackpad, and/or a pointing stick) and speakers into a single unit. A laptop is powered by mains electricity via an AC adapter, and can be used away from an outlet using a rechargeable battery.

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Number of memory modules
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Number of memory modules

Ein Speichermodul oder Speicherriegel ist eine kleine Leiterplatte, auf der mehrere Speicherbausteine (Dynamisches RAM in Form von integrierten Schaltkreisen) aufgelötet sind. Speichermodule bilden oder erweitern den Arbeitsspeicher elektronischer Geräte wie Computer oder Drucker und werden dort in speziell dafür vorgesehene Steckplätze gesteckt.

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2 x
Memory type
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Memory type

DDR-SDRAM („Double Data Rate Synchronous Dynamic Random Access Memory“) ist ein Typ von Random Access Memory (RAM), den es aktuell in drei Kategorien gibt. DDR-SDRAM mit 184 Kontakten, DDR2-SDRAM mit 240 Kontakten und DDR3-SDRAM ebenfalls mit 240 Kontakten. Verwendet werden sie hauptsächlich für Speichermodule des DIMM- bzw. SO-DIMM-Standards als Arbeitsspeicher in PCs und Laptops.

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DDR3-RAM
Storage capacity (RAM) per module
4 GB
Memory chip
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Memory chip

Random-access memory is a form of computer data storage. A random-access device allows stored data to be accessed directly in any random order. In contrast, other data storage media such as hard disks, CDs, DVDs and magnetic tape, as well as early primary memory types such as drum memory, read and write data only in a predetermined order, consecutively, because of mechanical design limitations. Therefore the time to access a given data location varies significantly depending on its physical location.

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DDR3-1600
Memory form factor
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Memory form factor

A DIMM or dual in-line memory module, comprises a series of dynamic random access memory integrated circuits. These modules are mounted on a printed circuit board and designed for use in personal computers, workstations and servers. DIMMs began to replace SIMMs (single in-line memory modules) as the predominant type of memory module as Intel P5-based Pentium processors began to gain market share.

The main difference between SIMMs and DIMMs is that DIMMs have separate electrical contacts on each side of the module, while the contacts on SIMMs on both sides are redundant. Another difference is that standard SIMMs have a 32-bit data path, while standard DIMMs have a 64-bit data path.

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SODIMM 204

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Returns and warranty

Warranty 24 month Bring-in
30-day right of return
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30-day right of return

This product may be returned within 30 days after shipment or collection. A minimum of 10% will be deducted from opened products. Unfortunately, we cannot accept a product if it is damaged, incomplete or missing its original packaging.

Returns and warranty

Please use our simplified returns and warranty process to return a product or register a warranty case. Returns and warranty

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Apple MD633G/A (2x, 4GB, DDR3-RAM) Apple MD633G/A (2x, 4GB, DDR3-RAM)