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Mac Memory

Mac Memory indicates which series of products a specific memory module is intended for. For example, Mac Pro (Late 2013) is a memory module designed for Late 2013 Mac Pro devices.

Memory Type

The Memory Type of a DRAM module can be separated into two systems: DDR (Double Data Rate) and SDR (Single Data Rate). In terms of clock speeds and latency, the most advanced memory type is DDR4, followed by DDR3, DDR2, DDR, and finally, SDR.

Capacity

Capacity indicates the total amount of memory in a particular RAM module. Capacity is primarily measured in gigabytes (GB) and terabytes (TB). The primary benefit of more RAM is improved multi-tasking. The more RAM a device has, the more tasks it can perform at once.

Memory Speed

Memory Speed, or clock speed, is a measurement that indicates how many times per second a RAM module can access its memory. Typically, it is measured in megahertz (MHz). In general, the faster the speed, the better the performance.

DIMM Type

DIMM Type is defined by the pin count of a particular DIMM module (for example, 288-pin/DIMM). The pin count of a DIMM module is important because it indicates which type of DRAM (DDR, DDR2, etc.) that particular DIMM module supports.

Error Correction (ECC)

Error Correction Code (ECC) memory is a type of RAM memory that prevents data corruption by automatically detecting memory errors and correcting them. Though a useful and sometimes critical failsafe, ECC memory is also slightly slower than Non-ECC memory.

Voltage

Voltage indicates the amount of power consumed by a particular memory module. In general, lower voltage memory draws less power, runs cooler, is slightly more expensive, and may not overclock as well as standard voltage memory.

CAS Latency

CAS Latency is part of the equation that determines the true latency of a memory module. As a measurement, CAS represents the number of clock cycles data must travel through in the Column Address Strobe to reach its destination. In general, the lower the CAS latency, the better the performance.

Color

Heat Spreader

A Heat Spreader is a type of passive heatsink that dissipates the heat a RAM module produces, effectively cooling the module down. Theoretically, heat spreaders can ensure or boost RAM performance while overclocking.

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OWC / Other World Computing 64GB DDR4 2666 MHz SO-DIMM Memory Upgrade (2 x 32GB)

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OWC / Other World Computing 64GB DDR4 2666 MHz SO-DIMM Memory Upgrade (2 x 32GB)

B&H # OW2666D4S64P MFR # OWC2666DDR4S64P

Key Features

64GB (2 x 32GB) Capacity
2666 MHz Clock Speed
PC4-21300
260-Pin SO-DIMM

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$372.88

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OWC / Other World Computing 32GB DDR4 2666 MHz SO-DIMM Memory Upgrade (2 x 16GB)

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OWC / Other World Computing 32GB DDR4 2666 MHz SO-DIMM Memory Upgrade (2 x 16GB)

B&H # OW2666D4S32P MFR # OWC2666DDR4S32P

Key Features

32GB (2 x 16GB) Capacity
2666 MHz Clock Speed
PC4-21300
260-Pin SO-DIMM

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Crucial 32GB DDR4 2666 MHz SODIMM Memory Module Kit (2 x 16GB)

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Crucial 32GB DDR4 2666 MHz SODIMM Memory Module Kit (2 x 16GB)

B&H # CRCT2K16G4SF MFR # CT2K16G4SFD8266

Key Features

32GB (2 x 16GB)
2666 MHz Clock Speed
PC4-21300
260-Pin SO-DIMM

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Crucial 32GB DDR4 2400 MHz SO-DIMM Memory Module Kit for Mac (2 x 16GB)

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Crucial 32GB DDR4 2400 MHz SO-DIMM Memory Module Kit for Mac (2 x 16GB)

B&H # CR32KD4192SM MFR # CT2K16G4S24AM

Key Features

32GB (2 x 16GB) Capacity
2400 MHz Clock Speed
PC4-19200
260-Pin SO-DIMM

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Crucial 8GB DDR4 2666 MHz SODIMM Memory Module

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Crucial 8GB DDR4 2666 MHz SODIMM Memory Module

B&H # CRCT8G4SFS82 MFR # CT8G4SFS8266

Key Features

8GB Storage Capacity
2666 MHz Clock Speed
PC4-21300
260-Pin SO-DIMM

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Crucial 16GB DDR4 2400 MHz SO-DIMM Memory Kit (2 x 8GB)

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Crucial 16GB DDR4 2400 MHz SO-DIMM Memory Kit (2 x 8GB)

B&H # CR2K8G4S824X MFR # CT2K8G4SFS824A

Key Features

16GB (2 x 8GB) Capacity
2400 MHz Clock Speed
PC4-19200
260-Pin SO-DIMM

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Crucial 8GB DDR4 2400 MHz SO-DIMM Memory Module

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Crucial 8GB DDR4 2400 MHz SO-DIMM Memory Module

B&H # CR8G4SFS824A MFR # CT8G4SFS824A

Key Features

8GB (1 x 8GB) Capacity
2400 MHz Clock Speed
PC4-19200
260-Pin SO-DIMM

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Crucial 16GB DDR4 2666 MHz SODIMM Memory Module

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Crucial 16GB DDR4 2666 MHz SODIMM Memory Module

B&H # CRCT16G4SFD8 MFR # CT16G4SFD8266

Key Features

16GB Storage Capacity
2666 MHz Clock Speed
PC4-21300
260-Pin SO-DIMM

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Crucial 32GB DDR4 2666 MHz SO-DIMM Memory Kit (2 x 16GB)

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Crucial 32GB DDR4 2666 MHz SO-DIMM Memory Kit (2 x 16GB)

B&H # CRCT2K16266M MFR # CT2K16G4S266M

Key Features

32GB Capacity (2 x 16GB)
2666 MHz Clock Speed
PC4-21300
SO-DIMM

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Crucial 16GB DDR4 2400 MHz UDIMM Memory Kit (2 x 8GB)

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Crucial 16GB DDR4 2400 MHz UDIMM Memory Kit (2 x 8GB)

B&H # CRCT2K8G4DFD MFR # CT2K8G4DFD824A

Key Features

16GB (2 x 8GB) Capacity
2400 MHz Clock Speed
PC4-19200
288-Pin DIMM

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Crucial 32GB DDR4 2400 MHz SO-DIMM Memory Kit (2 x 16GB)

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Crucial 32GB DDR4 2400 MHz SO-DIMM Memory Kit (2 x 16GB)

B&H # CRC2K16G4SF MFR # CT2K16G4SFD824A

Key Features

32GB (2 x 16GB) Capacity
2400 MHz Clock Speed
PC4-19200
260-Pin SODIMM

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$119.95

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Crucial 16GB DDR4 2400 MHz SO-DIMM Memory Module

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Crucial 16GB DDR4 2400 MHz SO-DIMM Memory Module

B&H # CRC16G4SFD8 MFR # CT16G4SFD824A

Key Features

16GB Capacity
2400 MHz Clock Speed
PC4-19200
260-Pin SO-DIMM

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Ballistix 32GB Sport LT Series DDR4 3200 MHz DR UDIMM Memory Kit (2 x 16GB, 16-18-18, White)

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Ballistix 32GB Sport LT Series DDR4 3200 MHz DR UDIMM Memory Kit (2 x 16GB, 16-18-18, White)

B&H # BAS2K16G4D3C MFR # BLS2K16G4D32AESC

Key Features

32GB (2 x 16GB) Capacity
3200 MHz Clock Speed
PC4-25600
288-Pin DIMM

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$149.99

Crucial 8GB DDR4 2666 MHz UDIMM Memory Module

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Crucial 8GB DDR4 2666 MHz UDIMM Memory Module

B&H # CRCT8G4DFS82 MFR # CT8G4DFS8266

Key Features

8GB Capacity
2666 MHz Clock Speed
PC4-21300
288-Pin UDIMM

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Synology 4GB DDR3L 1866 MHz SO-DIMM Memory Module

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Synology 4GB DDR3L 1866 MHz SO-DIMM Memory Module

B&H # SYD3NS1866L4 MFR # D3NS1866L-4G

Key Features

For the DiskStation DS918+ and DS718+
For the DiskStation D218+ and DS418play
4GB (1 x 4GB) Capacity
1866 MHz Clock Speed

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Crucial 8GB DDR3L 1600 MHz SODIMM Memory Module

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Crucial 8GB DDR3L 1600 MHz SODIMM Memory Module

B&H # CR8GB204P MFR # CT102464BF160B

Key Features

8GB Capacity
1600 MHz Clock Speed
PC3L-12800
204-Pin SODIMM

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Crucial CT102464BF160B 16GB (2 x 8GB) 204-pin SODIMM, DDR3 PC3-12800 Memory Module Kit

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Crucial CT102464BF160B 16GB (2 x 8GB) 204-pin SODIMM, DDR3 PC3-12800 Memory Module Kit

B&H # CR8GB204P2K MFR # CT2KIT102464BF160B

Key Features

16GB Capacity
DDR3 PC3-12800
204-Pin SODIMM
CL=11

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$74.90

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Crucial 8GB DDR4 2400 MHz UDIMM Memory Module

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Crucial 8GB DDR4 2400 MHz UDIMM Memory Module

B&H # CRCT8G4DFD82 MFR # CT8G4DFD824A

Key Features

8GB Capacity
2400 MHz Clock Speed
PC4-19200
288-Pin UDIMM

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Crucial 16GB DDR4 2666 MHz SODIMM Memory Module Kit (2 x 8GB)

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Crucial 16GB DDR4 2666 MHz SODIMM Memory Module Kit (2 x 8GB)

B&H # CRCT2K8G4SFS MFR # CT2K8G4SFS8266

Key Features

16GB (2 x 8GB)
2666 MHz Clock Speed
PC4-21300
260-Pin SO-DIMM

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$63.99

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Corsair 16GB Vengeance LPX DDR4 3200 MHz UDIMM Memory Kit (2 x 8GB) (Black)

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Corsair 16GB Vengeance LPX DDR4 3200 MHz UDIMM Memory Kit (2 x 8GB) (Black)

B&H # COC16V16MKBK MFR # CMK16GX4M2B3200C16

Key Features

16GB (2 x 8GB) Capacity
3200 MHz Clock Speed
PC4-25600
288-Pin UDIMM

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$84.00

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Crucial 32GB DDR4 2666 MHz DIMM Memory Module Kit (2 x 16GB)

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Crucial 32GB DDR4 2666 MHz DIMM Memory Module Kit (2 x 16GB)

B&H # CRCT2K16G4DF MFR # CT2K16G4DFD8266

Key Features

32GB (2 x 16GB)
2666 MHz Clock Speed
PC4-213000
288-Pin DIMM

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$119.95

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OWC / Other World Computing 64GB DDR3 1866 MHz RDIMM Memory Kit (4 x 16GB, 2013 Mac Pro)

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OWC / Other World Computing 64GB DDR3 1866 MHz RDIMM Memory Kit (4 x 16GB, 2013 Mac Pro)

B&H # OW64K14900M MFR # OWC1866D3R9M64

Key Features

64GB (4 x 16GB) Capacity
1866 MHz Clock Speed
PC3-14900
240-pin RDIMM

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Expected availability: 3-7 business days

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$209.00

Crucial 16GB DDR4 2400 MHz SO-DIMM Memory Module Kit for Mac (2 x 8GB)

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Crucial 16GB DDR4 2400 MHz SO-DIMM Memory Module Kit for Mac (2 x 8GB)

B&H # CR16KD4192SM MFR # CT2K8G4S24AM

Key Features

16GB (2 x 8GB) Capacity
2400 MHz Clock Speed
PC4-19200
260-Pin SO-DIMM

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Ballistix 16GB Sport LT Series DDR4 3200 MHz SR UDIMM Memory Kit (2 x 8GB, 16-18-18, Gray)

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Ballistix 16GB Sport LT Series DDR4 3200 MHz SR UDIMM Memory Kit (2 x 8GB, 16-18-18, Gray)

B&H # BAS2K8G4D3SK MFR # BLS2K8G4D32AESBK

Key Features

16GB (2 x 8GB) Capacity
3200 MHz Clock Speed
PC4-25600
288-Pin DIMM

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$74.99

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Upgrading a PC with Memory (RAM)

Adding computer memory to your PC is an easy way to improve efficiency and performance. Most computers come with a standard amount of RAM already installed, but you can usually add more to better suit your needs. Installing more RAM is also fairly simple, even for basic level computer users.

There are multiple types of memory modules, and some better suited to certain applications than others are. Some are ideal for building powerful gaming PCs, while others give a boost to work computers, laptops or even large servers.

What Are the Benefits of Installing Additional Computer Memory?

As your computer accumulates software applications and files, its hardware needs to keep up with the growing demand for resources. RAM modules provide additional processing power so that numerous complex programs can load quickly and run efficiently.�Some graphics display cards feature their own on-board RAM specifically dedicated to producing sharp, high-quality visuals in video games. Even basic programs for tasks like word processing and spreadsheets load faster and run smoother with additional RAM installed.

Installing RAM Memory for Increased Performance

Installing RAM is an easy process, whether you're working with�a�desktop tower�or a laptop. It requires no additional software, and the process is similar across different machines and nearly all RAM types. It's simple to insert the chips into the corresponding slots while the computer is powered down, and you'll see the benefits immediately during the PC's next startup. RAM is also easy to remove and replace if needed, but it typically performs reliably for a long time with proper use. Graphics cards with their own built-in RAM also simply plug into place in expansion slots, although they may also require the installation of certain software or additional cooling fans to deal with the added heat production.

Different Types and Sizes of Computer Memory

When installing RAM into a computer or server, be sure to match the number of pins on the chip to the ones accommodated by the computer's slots. It's also important to check the notch position to make sure it lines up correctly. Install only up to the maximum amount of RAM that your operating system can handle to get optimal performance from your machine. Laptops take smaller memory modules while servers will likely require much larger chips. With a memory kit containing multiple RAM pieces, you can provide upgrades to server components for several computers in your home or within your company.

There's no need to settle for a computer that has slowed with age when you can buy PC memory. Choose from the wide selection of PC and Mac RAM memory�as well as other desktop components available from B&H Photo and Video.

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Mac Memory Mac Memory indicates which series of products a specific memory module is intended for. For example, Mac Pro (Late 2013) is a memory module designed for Late 2013 Mac Pro devices.

Memory Type The Memory Type of a DRAM module can be separated into two systems: DDR (Double Data Rate) and SDR (Single Data Rate). In terms of clock speeds and latency, the most advanced memory type is DDR4, followed by DDR3, DDR2, DDR, and finally, SDR.

Capacity Capacity indicates the total amount of memory in a particular RAM module. Capacity is primarily measured in gigabytes (GB) and terabytes (TB). The primary benefit of more RAM is improved multi-tasking. The more RAM a device has, the more tasks it can perform at once.

Memory Speed Memory Speed, or clock speed, is a measurement that indicates how many times per second a RAM module can access its memory. Typically, it is measured in megahertz (MHz). In general, the faster the speed, the better the performance.

DIMM Type DIMM Type is defined by the pin count of a particular DIMM module (for example, 288-pin/DIMM). The pin count of a DIMM module is important because it indicates which type of DRAM (DDR, DDR2, etc.) that particular DIMM module supports.

Error Correction (ECC) Error Correction Code (ECC) memory is a type of RAM memory that prevents data corruption by automatically detecting memory errors and correcting them. Though a useful and sometimes critical failsafe, ECC memory is also slightly slower than Non-ECC memory.

Voltage Voltage indicates the amount of power consumed by a particular memory module. In general, lower voltage memory draws less power, runs cooler, is slightly more expensive, and may not overclock as well as standard voltage memory.

Color

Heat Spreader A Heat Spreader is a type of passive heatsink that dissipates the heat a RAM module produces, effectively cooling the module down. Theoretically, heat spreaders can ensure or boost RAM performance while overclocking.

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Upgrading a PC with Memory (RAM)

What Are the Benefits of Installing Additional Computer Memory?

Installing RAM Memory for Increased Performance

Different Types and Sizes of Computer Memory

Mac Memory

Mac Memory indicates which series of products a specific memory module is intended for. For example, Mac Pro (Late 2013) is a memory module designed for Late 2013 Mac Pro devices.

Memory Type

The Memory Type of a DRAM module can be separated into two systems: DDR (Double Data Rate) and SDR (Single Data Rate). In terms of clock speeds and latency, the most advanced memory type is DDR4, followed by DDR3, DDR2, DDR, and finally, SDR.

Capacity

Capacity indicates the total amount of memory in a particular RAM module. Capacity is primarily measured in gigabytes (GB) and terabytes (TB). The primary benefit of more RAM is improved multi-tasking. The more RAM a device has, the more tasks it can perform at once.

Memory Speed

Memory Speed, or clock speed, is a measurement that indicates how many times per second a RAM module can access its memory. Typically, it is measured in megahertz (MHz). In general, the faster the speed, the better the performance.

DIMM Type

DIMM Type is defined by the pin count of a particular DIMM module (for example, 288-pin/DIMM). The pin count of a DIMM module is important because it indicates which type of DRAM (DDR, DDR2, etc.) that particular DIMM module supports.

Error Correction (ECC)

Error Correction Code (ECC) memory is a type of RAM memory that prevents data corruption by automatically detecting memory errors and correcting them. Though a useful and sometimes critical failsafe, ECC memory is also slightly slower than Non-ECC memory.

Voltage

Voltage indicates the amount of power consumed by a particular memory module. In general, lower voltage memory draws less power, runs cooler, is slightly more expensive, and may not overclock as well as standard voltage memory.

Heat Spreader

A Heat Spreader is a type of passive heatsink that dissipates the heat a RAM module produces, effectively cooling the module down. Theoretically, heat spreaders can ensure or boost RAM performance while overclocking.