Buying Additional HID Cards? What You Need to Know Before Ordering | Bainisys
When onboarding new employees, expanding office locations, or replacing damaged access cards, buying additional HID cards requires more than simply matching their appearance. Cards that look identical may use different technologies, encoding formats, or configurations.
Before placing an order, organizations should prepare their existing card model, access control system details, and previous purchasing information. This helps ensure that the new cards are compatible with the current system and configured correctly.
2026-20-10
Dr. Pongsak Wonglertkunakorn
Dr. Pongsak Wonglertkunakorn
- Workplace Consultant
- Ph.D. in Management from National Institute of Development Administration
- M.S. in Computer and Information Science from University of Pennsylvania
- B.Eng. in Computer Engineering from Chulalongkorn University
Understanding HID Cards for Access Control Systems
HID cards are credentials used for identification and authentication in access control systems. HID offers several credential technologies, including HID Prox, iCLASS, and Seos, as well as multi-technology cards that combine different technologies into a single credential.
Choosing the right HID card requires checking compatibility with existing card readers and system configurations. Selecting a card based solely on the HID brand name does not guarantee compatibility.
For organizations planning future system upgrades, HID offers multi-technology credentials such as Seos + Prox and Seos + iCLASS. These options can support a gradual transition from legacy card technologies to newer solutions. However, card models and reader compatibility must be verified before implementation.
What Information Do You Need Before Ordering Additional HID Cards?
To ensure an accurate compatibility assessment and quotation, organizations should prepare the following information:
Existing Card Model or Part Number: Check the original card packaging, quotation, or previous purchase records to identify the correct HID part number.
Card Technology and Reader Model: Identify whether the current system uses Prox, iCLASS, Seos, or another credential technology, along with the installed reader model.
Card Format and Configuration: Provide details such as the card format, bit length, and facility code, where applicable, to match the existing access control system settings.
Card Number Range: Confirm the current card numbers and the required number range for additional cards. The system administrator should check for duplicate numbers before ordering.
Quantity and Card Customization: Specify the number of cards required, expected delivery date, and any customization needs, such as company logos or employee information.
Encoding specifications and printed card numbers may vary depending on the HID card model. If previous purchase documents are available, include them to help verify the required specifications.
Expand Your HID Card System with Future Security in Mind
Ordering additional HID cards is also an opportunity to review your organization’s existing access control system and plan for future security improvements.
For organizations considering advanced credential technologies, HID Seos offers modern cryptographic protection and mutual authentication between compatible cards and readers.
HID also provides multi-technology credential options that can help organizations transition from older card technologies while planning future system upgrades.
Before upgrading or ordering new credentials, organizations should evaluate their existing card readers, access control software, and security requirements to ensure compatibility and reliable operation.
Frequently Asked Questions About Buying Additional HID Cards
No. Not all HID cards work with every HID reader. Compatibility depends on the card technology, reader model, credential format, and system configuration. These details should be verified before ordering additional cards.
You can start by providing photos of your existing cards, card packaging labels, or previous purchase documents. Include the installed reader model and required quantity if available.
The Bainisys team can use this information to help identify the appropriate card specifications. Additional verification with your system administrator may be necessary.
HID card prices vary depending on the model, credential technology, order quantity, encoding requirements, and printing or customization options.
For accurate pricing, request a quotation based on your existing access control system and specific requirements. Delivery lead times should also be confirmed before placing an order.
Need to Order Additional HID Cards? Contact Bainisys
Looking to purchase additional HID cards for your existing access control system?
Bainisys can help you review HID card options and request a quotation based on your organization’s requirements.
Prepare your current card information and the quantity needed, then contact our team for assistance.
Verifying card specifications before ordering helps reduce compatibility issues, avoid incorrect purchases, and support future expansion of your access control system.