# NComputing Secondary Display Adapter (SDA) for RX300 / RX-RDP — resale value

Source: JunkPal price guide — https://junkpal.ai/products/ncomputing-secondary-display-adapter-sda-for-rx300-rx-rdp-b079339gf4

**NComputing Secondary Display Adapter (SDA) for RX300 / RX-RDP** sells for about **$49** new or sealed, based on real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/ncomputing-secondary-display-adapter-sda-for-rx300-rx-rdp-b079339gf4

## Value

| Condition | Value (USD) |
| --- | --- |
| New / Sealed | $49 |

Values are medians of real closed eBay sales, updated 2026-07-16. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DNComputing%2520Secondary%2520Display%2520Adapter%2520RX300%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DNComputing%2520Secondary%2520Display%2520Adapter%2520RX300%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| Brand | NComputing |
| Category | Computers |

## About

This is the NComputing Secondary Display Adapter (SDA), specifically designed for use with RX300 / RX-RDP systems.

It is sought by users looking to expand the display capabilities of their existing NComputing hardware setups.

The resale value of this adapter is determined by its physical condition, whether it is complete, and the specific edition it belongs to.

## FAQ

**What systems is the SDA compatible with?**

The NComputing Secondary Display Adapter (SDA) is designed for use with RX300 / RX-RDP systems.

**What factors affect the resale value of this adapter?**

Resale value is influenced by the adapter's condition, its completeness, and the specific edition.

**Is this adapter for a specific computer category?**

Yes, this item falls under the Computers category from the brand NComputing.

---

Full price guide: https://junkpal.ai/products/ncomputing-secondary-display-adapter-sda-for-rx300-rx-rdp-b079339gf4
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-16, based on real sold listings (junkpal.ai)"