HP J4821A ProCurve 4-Port Gigabit Ethernet Switch Module
Quality in Testing
Quality in Testing
Alta buys from premium sources of maintained corporate IT hardware, but what really enables our miniscule failure rate is the fact we test everything upon receipt, and again on the way out the door.
Your project or upgrade can't wait. Fortunately, our team of logistics specialists know how to deliver. We're packing pros, too. We'll make sure your IT purchase arrives safe & sound.
Every item contains at least a 90-day warranty. Please see description below for an exact warranty term.
Alta Tech stands behind our products, offering tech support, as well as replacement products when needed, or a refund for return.
Part Number: J4821A
All equipment is guaranteed eligible for existing OEM or 3rd party maintenance plans. The Used HP J4821A from Alta Technologies comes with a standard 90 Days warranty from Alta, with extended maintenance plans available for purchase. All HP Expansion Boards/Modules hardware is fully tested and ready to ship. Stock images may be used on some products, so please ask us for exact photos, if required.
Bulk discounts are available, so please contact us for a custom quote.
Andrew Riedl leads our HP product team, and with over 1.3 million systems and parts in stock, our online listings represent just a fraction of our inventory on hand. Contact Andrew Riedl for more information today:
Desk Phone: 763.475.5344
We also buy back your excess HP Networking for cash or trade-in.
Over 1.3 Million Parts!
Established in 1995, Alta Technologies has become one of the largest suppliers of enterprise IT equipment - from configured systems to features and upgrades. We have it in stock!
Our equipment comes from data center refreshes, cloud moves and trade-ins and is already in great shape. We fully test all equipment on the way in, and then test it again prior to shipment, so you can count on your purchase to 'just work', every time!
All equipment is supported by Alta warranty and is guaranteed eligible to be covered by maintenance, or we'll take it back! (unless marked "as-is")
Ordering dozens of a part or custom configuration? Contact us and we'll be glad to provide a special quote!
What our customers say about us
Customer-Focused IT Hardware
Since 1995, we've poured all of our efforts into delivering products that match our client's expectations and exceeds their price savings target.
With our huge inventory and industry-leading engineers, customers tell us they trust Alta for our reliability, custom configurations, parts responsiveness, lightning fast delivery and savings to boot.
Excellent Company to work with.-Jeremy S.
Joe always helps me out and goes out of his way! Great Products.-Kevin J
Alta Tech is a great company to work with. Reliable and Honest.-Josh D.
Global Logistics and an IN-STOCK inventory allow us to ship your systems, switches or parts Today!
24/7 Emergency Parts Available for pickup as well.
Not only reliable, but with discounts up to 80% off of new, we have thousands of satisfied clients worldwide. Meet your IT project needs for less.
Trade-Ins & Equipment Buy-Back
We buy back your excess IT equipment for cash offer or trade, providing full data erasure services.
Our product experts know servers, storage and networking equipment, delivering decades of experience in IT hardware.