256GB OWC Memory Upgrade Kit
$374.99 Free Shipping

256GB OWC Memory Upgrade Kit

8 x 32GB PC17000 DDR4 ECC-R 2133MHz RDIMMs for compatible Workstations, Servers, and NAS Systems


Mfr P/N: 2R1D42R4256K OWC SKU: OWC2R1D42R4256K

Built to the Highest Standards for your PC

OWC Memory Trade-in Rebate

Trade In Your Original Memory and SAVE!

Within 60 days from the purchase date of qualifying OWC memory, you can choose to trade in your old memory for a cash rebate! Learn More »

availabilityShips in 2-3 Days
$374.99
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More Options

8GB 1Rx4 Modules

8GB
arrow up 1 x 8GB $19.99$18.99 in stockIn Stock: Ships Same Day!
32GB
arrow up 4 x 8GB $51.99$49.99 in stockIn Stock: Ships Same Day!
64GB
arrow up 8 x 8GB $149.99$145.00 in stockIn Stock: Ships Same Day!

8GB 1Rx8 Modules

8GB
arrow up 1 x 8GB $24.99$23.99 in stockShips in 2-3 Days

8GB 2Rx8 Modules

8GB
arrow up 1 x 8GB $24.99$23.99 in stockShips in 2-3 Days

16GB 2Rx4 Modules

16GB
arrow up 1 x 16GB $35.99$33.99 in stockIn Stock: Ships Same Day!
32GB
arrow up 2 x 16GB $69.00$66.99 in stockIn Stock: Ships Same Day!
64GB
arrow up 4 x 16GB $139.99$134.99 in stockIn Stock: Ships Same Day!
128GB
arrow up 8 x 16GB $275.00$266.99 in stockIn Stock: Ships Same Day!

32GB 2Rx4 Modules

32GB
arrow up 1 x 32GB $49.99$47.99 in stockIn Stock: Ships Same Day!
64GB
arrow up 2 x 32GB $97.99$94.99 in stockIn Stock: Ships Same Day!
128GB
arrow up 4 x 32GB $194.99$188.99 in stockIn Stock: Ships Same Day!
256GB
arrow up 8 x 32GB $386.99$374.99 in stockShips in 2-3 Days

64GB 8Rx4 Modules

64GB
arrow up 1 x 64GB $128.99$125.00 in stockShips in 2-3 Days

Overview

OWC Memory for Mac & PC

OWC Memory. Built for Macs + PCs.

Experience your computer's true performance potential.

Improve System Speed

OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac or PC's full potential, and speed up overall responsiveness.

More Apps. More Files

Become a multi-tasking maven when you upgrade your Mac or PC with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time.

Save $$ vs Factory

Save BIG vs factory memory options. Plus, select among options not offered by the factory. OWC makes it easy to find the perfect upgrade to fit your needs.

Lab Tested Compatibility

We test every OWC memory module at our in-house lab so you can upgrade with the confidence that your memory is built-to-last.

Lifetime Warranty

We built your OWC Memory upgrade to meet or exceed the toughest industry specs to provide years of worry-free service.

Step-by-Step Videos

Our detailed install videos guide your upgrade from start to finish. We provide all the steps to make your OWC Memory upgrade DIY easy.

OWC Logo

Experience the OWC Difference

Rely on the trusted name for memory upgrades, drives and accessories for over 30 years. Your OWC Memory upgrade was built by Mac and PC people, for Mac and PC people. Our expert support team is always a call or click away. You can talk to an actual human who will kindly provide advice and guidance for any questions you may have.

Being helpful and treating others the way you would want to be treated is not just a novel idea. It’s how we do business. It's how we’re built. It's what we’ve been doing since 1988.

IncludesIncludes

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    Data Rate

    • 2133MT/s

    Registration

    • Registered

    Error Correction

    • ECC

    Form Factor

    • RDIMM

    Type of Memory

    • DDR4

    PC Speed

    • 17000

    Timing

    • CAS = 15.0

    Bandwidth

    • 17.0GB/s

    Total Capacity

    • 256GB

    Voltage

    • 1.2 Volts

    Pin Count

    • 288-pin

    CompatibilityCompatibility

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    PC Compatible

    PC Compatible
    PC Compatible