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A memory upgrade is one of the fastest, easiest, and most affordable ways to immediately improve the performance of your computer. If your PC laptop, desktop, workstation, or Mac system is running slowly, installing more memory takes as little as five minutes and delivers immediate and lasting improvements. Speed up your system, increase responsiveness, multitask with ease, and extend the lifespan of your computer with a reliable desktop memory, laptop memory, or Mac memory upgrade. Learn more in our Memory Information Guide.

28 memory upgrades

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Crucial 4GB DDR3-1866 ECC UDIMM

DDR3 PC3-14900 • CL=13 • SINGLE RANKED • UNBUFFERED • ECC • DDR3-1866 • 1.5V • 512MEG X 72 •

Crucial 4GB DDR3L-1600 ECC UDIMM

DDR3 PC3-12800 • CL=11 • SINGLE RANKED • UNBUFFERED • ECC • DDR3-1600 • 1.35V • 512MEG X 72 •

Crucial 4GB DDR4-2666 RDIMM

DDR4 PC4-21300 • CL=19 • SINGLE RANKED • X8 BASED • REGISTERED • ECC • DDR4-2666 • 1.2V • 512MEG X 72 •

Crucial 8GB DDR4-2666 RDIMM

DDR4 PC4-21300 • CL=19 • SINGLE RANKED • X8 BASED • REGISTERED • ECC • DDR4-2666 • 1.2V • 1024MEG X 72 •

Crucial 8GB DDR4-2666 RDIMM

DDR4 PC4-21300 • CL=19 • DUAL RANKED • X8 BASED • REGISTERED • ECC • DDR4-2666 • 1.2V • 1024MEG X 72 •

Crucial 8GB DDR3-1866 ECC UDIMM

DDR3 PC3-14900 • CL=13 • UNBUFFERED • ECC • DDR3-1866 • 1.5V • 1024MEG X 72 •

Crucial 8GB DDR3L-1600 ECC SODIMM

DDR3 PC3-12800 • CL=11 • UNBUFFERED • ECC • DDR3-1600 • 1.35V • 1024MEG X 72 •

Crucial 8GB DDR3-1866 ECC UDIMM Memory for Mac

DDR3 PC3-14900 • CL=13 • UNBUFFERED • ECC • DDR3-1866 • 1.35V/1.5V (DUAL PROFILE) • 1024MEG X 72 • LEAD FREE • HALOGEN FREE • FOR MAC

Crucial 8GB DDR3-1600 ECC UDIMM

DDR3 PC3-12800 • CL=11 • UNBUFFERED • ECC • DDR3-1600 • 1.35V • 1024MEG X 72 •

New

Crucial 8GB DDR4-2933 RDIMM

DDR4 PC4-23400 • CL=21 • SINGLE RANKED • X8 BASED • REGISTERED • ECC • DDR4-2933 • 1.2V • 1024MEG X 72 •

Crucial 8GB DDR3-1866 RDIMM

DDR3 PC3-14900 • CL=13 • DUAL RANKED • X8 BASED • REGISTERED • ECC • DDR3-1866 • 1.5V • 1024MEG X 72 •

Crucial 8GB DDR3-1600 RDIMM

DDR3 PC3-12800 • CL=11 • DUAL RANKED • X8 BASED • REGISTERED • ECC • DDR3-1600 • 1.35V • 1024MEG X 72 •

Crucial 8GB DDR3-1600 RDIMM

DDR3 PC3-12800 • CL=11 • SINGLE RANKED • X4 BASED • REGISTERED • ECC • DDR3-1600 • 1.35V • 1024MEG X 72 •

No Longer Available

Crucial 16GB DDR4-2666 ECC SODIMM

DDR4 PC4-21300 • CL=19 • UNBUFFERED • ECC • DDR4-2666 • 1.2V • 2048MEG X 72 •

Crucial 16GB DDR4-2666 ECC UDIMM

DDR4 PC4-21300 • CL=19 • DUAL RANKED • X8 BASED • UNBUFFERED • ECC • DDR4-2666 • 1.2V • 2048MEG X 72 •

Crucial 16GB DDR4-2666 RDIMM

DDR4 PC4-21300 • CL=19 • DUAL RANKED • X4 BASED • REGISTERED • ECC • DDR4-2666 • 1.2V • 2048MEG X 72 •

Crucial 16GB DDR4-2666 RDIMM

DDR4 PC4-21300 • CL=19 • SINGLE RANKED • X4 BASED • REGISTERED • ECC • DDR4-2666 • 1.2V • 2048MEG X 72 •

Crucial 16GB DDR4 2400 MT/s (PC4-19200) CL17 DR x8 VLP ECC UDIMM 288pin

DDR4 PC4-21300 • CL=19 • DUAL RANKED • X8 BASED • UNBUFFERED • ECC • DDR4-2666 • 1.2V • 2048MEG X 72 •

New

Crucial 16GB DDR4-2933 RDIMM

DDR4 PC4-23400 • CL=21 • DUAL RANKED • X8 BASED • REGISTERED • ECC • DDR4-2933 • 1.2V • 2048MEG X 72 •

New

Crucial 16GB DDR4-2933 RDIMM

DDR4 PC4-23400 • CL=21 • SINGLE RANKED • X4 BASED • REGISTERED • ECC • DDR4-2933 • 1.2V • 2048MEG X 72 •

Crucial 16GB DDR3-1600 RDIMM

DDR3 PC3-12800 • CL=11 • DUAL RANKED • X4 BASED • REGISTERED • ECC • DDR3-1600 • 1.35V • 2048MEG X 72 •

Crucial 16GB DDR4-2666 RDIMM VLP

DDR4 PC4-21300 • CL=19 • SINGLE RANKED • X4 BASED • REGISTERED • ECC • DDR4-2666 • 1.2V • 2048MEG X 72 •

Crucial 32GB DDR4-2400 RDIMM

DDR4 PC4-19200 • CL=17 • DUAL RANKED • X4 BASED • REGISTERED • ECC • DDR4-2400 • 1.2V • 4096MEG X 72 •

Crucial 32GB DDR4-2666 RDIMM

DDR4 PC4-21300 • CL=19 • DUAL RANKED • X4 BASED • REGISTERED • ECC • DDR4-2666 • 1.2V • 4096MEG X 72 •

Crucial 32GB DDR4-2666 LRDIMM

DDR4 PC4-21300 • CL=19 • DUAL RANKED • X4 BASED • LOAD REDUCED • ECC • DDR4-2666 • 1.2V • 4096MEG X 72 •