Confirm usable dimensions
Compare your equipment dimensions with the listed interior dimensions, allowing space for foam, cables, and accessories.
items
Product information
The 3i-2421-IMAC accommodates 24 in. iMacs with room for a keyboard, mouse, trackpad, and all necessary cables. This waterproof iSeries case features a virtually indestructible exterior and a high quality form-cut PE foam interior that provides the perfect fit and maximum protection of a 24 inch iMac and accessories in transport. The keyboard slot can fit both the standard compact keyboard as well as the larger keyboard with numeric pad by removing foam pieces from the slot. The accessory pocket near the front of the case measures 8 x 2.25 x 4.5 in. and the accessory pocket below the iMac measures 17.5 x 6.25 x 4 in. The 3i-2421-IMAC will fit M3 generation models as well as M4 generation.
The case also comes standard with TSA-retrofittable Trigger Latch System, built-in quiet-glide wheels, and an easy-to-operate one-button pull handle for optimal convenience and functionality.
SKBs iSeries cases provide a revolutionary design that combines virtually indestructible construction with light weight and ease of use. These injection molded cases can serve multiple functions through their mil-standard, water submersible, dustproof design. Impact lab tests have proven them to be 2.5 times stronger than the competition, and better priced. Backed by SKBs famous Million-Mile Warranty, you will have a reliable equipment transport case for life.
iSeries Injection Molded Mil-Standard Waterproof Cases are molded of ultra high-strength polypropylene copolymer resin, featuring a gasket-sealed, water and dust tight, submersible design (MIL-STD 810H) that is resistant to corrosion and impact damage. Standard features include a molded-in hinge, Trigger Latch® System, snap-down rubber over-molded cushion grip handle, automatic ambient pressure equalization valve (MIL-STD 810H), and resistance to UV, solvents, corrosion, fungus and impact damage (MIL-STD 810H).
3i-2421-IMAC - UPC Code: 789270006027 | MPN: 3i-2421-IMAC
| Weight | 21.800000 |
|---|---|
| Color | Black |
| GTIN | 789270006027 |
| Manufacturer Part Number | 3i-2421-IMAC |
| Brand | SKB |
| Manufacturing Process | Injection Molded |
| Interior Dimensions | 24.12 x 21 x 7 in. |
| Exterior Dimensions | 26.46 x 23.52 x 8.65 in. |
| Lid Depth | 2 in. |
| Base Depth | 5 in. |
| Flat Screen Size | Up to 24 in. |
| Wheels | Yes |
| Latches | Trigger Release Latch System |
| Handle | Soft Grip Comfort Handle |
| Retractable Handle | Yes |
| Lockable | Pad-Lockable |
| Stackable | Yes |
| Removable Lid | No |
| Airline Carry On | No |
| Airline Check In | Yes |
| Certifications | AS9100D, ATA-300 Cat 1, ISO 9001:2015, MIL-STD 810H |
| ATA Rated | Yes |
| Water Protection | Waterproof |
| Max Buoyancy | 200 lbs |
| Minimum Temperature | -69 Degrees F |
| Maximum Temperature | 180 Degrees F |
| Exterior Material | Polypropylene |
| Body Material | Ultra High-Strength Polypropylene Copolymer Resin |
| Customer Return Policy for This Product | Stock Case — Standard 30-Day Returns |
| Transporting and Shipping Options |
Proven in demanding programs
Organizations shown represent customers whose teams have purchased from Specialty Cases.











Buy with confidence
A quick fit-and-logistics check helps prevent delays and keeps your equipment protected.
Compare your equipment dimensions with the listed interior dimensions, allowing space for foam, cables, and accessories.
Add the case, equipment, foam, and accessories when checking handling requirements or carrier weight limits.
Review the product specifications and certifications for the shipping, travel, storage, or field conditions you expect.
For custom foam, repeat builds, or volume orders, confirm the configuration with our case team before placing the order.
Experience & accountability
The right case is a fit and logistics decision. Our role is to help your team choose with confidence.
Decades of practical experience helping organizations protect equipment during shipping, travel, storage, and deployment.
Our team helps match case construction, dimensions, foam, hardware, and handling features to the equipment and transport method.
Get help with custom foam, repeat configurations, bulk orders, and rollouts for IT, AV, industrial, government, and field teams.
Sales and support are based in Sykesville, Maryland, so buyers can reach a knowledgeable person before or after an order.
Tell us what you’re trying to protect (dimensions, weight, use-case) and we’ll help you pick the right case.
Checking availability…
Would you like us to check stock for a specific case?
Send the product and quantity. We’ll confirm availability, lead time, and practical alternatives.
Send a message and our team will follow up by email.