# Compatibility: Prism 877 4K 10bit HEVC/AVC Encoder/Decoder Card Data version 6d29e2f86993, built 2026-10-26; facts on this page checked 2026-10-20 to 2026-10-26. [Prism 877 4K 10bit HEVC/AVC Encoder/Decoder Card](https://specs-dev.teradek.com/products/prod.prism-877-encoder-decoder-card.md) against [Prism 802 Base Rack System 2U](https://specs-dev.teradek.com/products/prod.prism-802-base-rack-system-2u.md). ## Works fully (1) - Prism 877 4K 10bit HEVC/AVC Encoder/Decoder Card with [Prism 802 Base Rack System 2U](https://specs-dev.teradek.com/products/prod.prism-802-base-rack-system-2u.md): works fully; Accommodates up to 3 cards in 1RU chassis (10-2801) and up to 9 cards in 2RU chassis (10-2802); minimum firmware 1 (the source does not say on which end). Source: official page (https://teradek.com/pages/prism-ru), checked 2026-10-21. --- Cite as specs-dev.teradek.com/compatibility?item=prod.prism-877-encoder-decoder-card&own=prod.prism-802-base-rack-system-2u (data version 6d29e2f86993). HTML page: https://specs-dev.teradek.com/compatibility?item=prod.prism-877-encoder-decoder-card&own=prod.prism-802-base-rack-system-2u · JSON: /api/compatibility?item=prod.prism-877-encoder-decoder-card&own=prod.prism-802-base-rack-system-2u · How to read this site: [/about.md](https://specs-dev.teradek.com/about.md) · Index for agents: [/llms.txt](https://specs-dev.teradek.com/llms.txt)