The RS-232C Serial Interface Card installs into the printer's internal port. It supports a standard RS-232C interface using a 25-pin D-shell female connector. For use with Lexmark printers that contain an open slot.

Crucial memory for Mac® systems

Compatible with Mac systems

Product highlights

• Increases Mac system performance
• Compatible with Mac systems
• Easy to install
• Every single module extensively tested at the component and module level
• Limited lifetime warranty

Take the guesswork out of upgrading your Mac with Crucial® memory for Mac systems. Since Apple® computers often have very specific memory requirements, including particular component densities, speeds, and SPD programming specifications, it's important to use memory that's engineered for your Mac. With more than a decade of experience manufacturing and developing memory for all types of Apple computers, Crucial makes adding memory the easiest way to upgrade your Mac.

Reliability for Mac systems

When you use your Mac system, you expect intuitive, dependable performance. Expect the same out of your memory. Every Crucial module that leaves our doors has been extensively tested at the component level for voltage and temperature resistances, signal integrity, and software compatibility.

Speed for Mac systems

A memory upgrade is the fastest, easiest, and most affordable way to get more performance out of your Mac system. Upgrade your Mac with Crucial memory modules and maximize your creativity with top speed and high density DDR3 and DDR4 memory modules.

Support for Mac systems

Unsure how to install memory or have an important question about your Mac system? Let the Crucial experts help! They know Apple systems inside and out and enjoy providing helpful, friendly technical support. Whether it's phone support, videos, FAQ articles, or do-it-yourself install guides for more than 70 different Mac systems, Crucial has the resources you need to keep your system up to speed.

Micron quality - a higher level of reliability.

As a brand of Micron, one of the largest memory manufacturers in the world, Crucial memory for Mac systems is backed by the same quality and innovation that has produced some of the world's most advanced memory and storage technologies. With a product portfolio that includes upgrades for more than 100,000 systems, we've got one specifically designed for your Mac system.

Upgrade Your Rig. Elevate Your Game.

Get into the action now with the WD_BLACK™ SN770 NVMe™ SSD. This purpose-built gaming drive boasts a PCIe® Gen4 interface that delivers blazing speeds of up to 5,150MB/s (1TB and 2TB models).

First into the Action
Get into the match fast as you zoom past load times with blazing speeds of up to 5,150MB/s (1TB and 2TB models).

Smoother, Faster Gaming
Improve in-game responsiveness and streaming with the PCIe Gen4 interface for a performance boost you can see and feel. The interface is compatible with leading CPU and motherboard platforms and backwards-compatible with PCIe Gen3.

Store More
Available in capacities up to 2TB, the WD_BLACK SN770 NVMe SSD gives you tons of storage for your latest games with space left over for future updates and downloadable content.

Turbocharge Your Laptop
Get up to 20% more power efficiency at maximum speed over the previous generation (1TB model) for an even better overall gaming experience on your portable rig.

Game Longer and Better
Optimize peak performance in gaming mode and monitor your drive's health with the WD_BLACK Dashboard so you can game with confidence.

5-Year Limited Warranty
Equipped with advanced thermal management technology that helps maintain consistent performance, this reliable drive from a trusted brand comes backed by a 5-year limited warranty.

Canon consumables genuinely make a difference. When you choose a Canon printer, you're investing in quality, reliability and value. Designed by Canon engineers and manufactured in Canon facilities, Genuine supplies are developed using precise specifications, so you can be confident that your Canon device will produce high-quality results consistently. Canon Genuine Toner produces high-quality, monochrome and color output for all your home and office needs, that you can be proud of.

High Quality Output

Designed to help prevent smearing, smudging and streaking, Canon Genuine Toner gives you the confidence to print anything from business documents to schoolwork, with outstanding quality.

Superior Performance

Canon Genuine toner is designed to perform better than imitators because they've been specifically engineered for Canon devices, by the same engineers who design those devices.

Toner Cartridge Recycling and Sustainability 

Canon Genuine toner cartridges are recyclable!

As a part of our commitment to the environment, we ensure appropriate recycling of Canon products, reducing impact on the environment and our local communities.

Always Look For Genuine Toner

Be sure to look for the Canon Genuine hologram on all Canon toner packaging, so you can be assured the Canon Genuine toner you purchase is made with the highest standards. When tilted back and forth, the hologram should shimmer.

GENUINE Products. Maximum Results.

Canon GENUINE ink and toner are engineered to achieve optimal performance with Canon printers. The exceptional design results in better operational success and end results, including higher yields, outstanding output and greater consistency, vibrancy, reliability and performance.

• WF-C529R
• WF-C579R
• WF-M5299
• WF-M5799
• ET-8700
• WF-C5710
• WF-C5790
• WF-C5290
• WF-C5210

Apple MAC Systems:

• iMac Retina 5K 2019 27"
• iMac Retina 5K 2017 27"

Canon Laser Printers:

• i-SENSYS MF465dw
• imageCLASS MF462dw
• imageCLASS LBP247dw
• i-SENSYS LBP246dw