Sold prices / cpu
Ryzen 9 9900X
AM5 · DDR5
The used Ryzen 9 9900X sold median is $284 from 22 qualifying US eBay sales over 14 days (price plus shipping). Flat over the past week.
Typical sold price
$284
Most sold between
$257–$290
Since yesterday
▼ -0.4%
Past week
▲ +0.6%
Sales, last 14 days
22
Latest sale
3d ago
Based on 22 completed sales in the last 14 days, shipping included.
Updated with sales through 2026-10-31 · refreshed daily after midnight Pacific
Sold prices over timeCompleted US eBay sales
2026-08-05 → 2026-10-31
2026-10-31
$284
▼ -0.4% day
▼ -2.7% range
22 sales
$300$288$275
Drag or swipe the tape. The gold line is the sold median and the bars are sales that day.
| 2026-10-29 | $226 | AMD Ryzen 9 9900X 12-Core 4.4GHz Desktop Processor CPU Socket AM5 |
| 2026-10-28 | $249 | AMD Ryzen 9 9900X 12-Core 24-Thread AM5 Desktop Processor |
| 2026-10-27 | $275 | AMD Ryzen 9 9900X 12-Core |
| 2026-10-27 | $300 | AMD Ryzen 9 9900x 12-Core 24-Thread 4.4 GHz 5.6 GHz Socket AM5 CPU |
| 2026-10-27 | $300 | AMD Ryzen 9 9900X 4.40GHz 12 Core 100-000000662 24 Thread AM5 |
| 2026-10-27 | $290 | AMD Ryzen 9 9900X 4.40 GHz 12 Core 100-000000662 24 Thread AM5 |
| 2026-10-27 | $275 | AMD Ryzen 9 9900X 4.40GHz 12 Core 100-000000662 24 Thread AM5 |
| 2026-10-27 | $283 | AMD Ryzen 9 9900X 12-Core 24-Thread 5.6GHz AM5 Desktop Processor |
| 2026-10-26 | $240 | AMD Ryzen 9 9900X 12-Core 4.4GHz Socket AM5 PCIe 5.0 CPU 100-100000662WOF |
| 2026-10-25 | $245 | AMD Ryzen 9 9900X 12-Core 24-Thread Zen 5 AM5 Unlocked Gaming CPU 5.6GHz |
| 2026-10-25 | $291 | AMD Ryzen 9 9900X 4.4GHz Up to 5.6GHz AM5 12-Core 24-Thread Desktop Processor |
| 2026-10-24 | $319 | AMD Ryzen 9 9900X 12-Core 5.6GHz CPU AM5 100-000000662 |
Out of the box
Works with
Will not work
- B450 Tomahawk MaxRyzen 9 9900X needs an AM5 board, and B450 Tomahawk Max is AM4
- B550 TomahawkRyzen 9 9900X needs an AM5 board, and B550 Tomahawk is AM4
- B550-A ProRyzen 9 9900X needs an AM5 board, and B550-A Pro is AM4
- B550M Pro-VDHRyzen 9 9900X needs an AM5 board, and B550M Pro-VDH is AM4
- ROG Strix B550-FRyzen 9 9900X needs an AM5 board, and ROG Strix B550-F is AM4
- X570 TomahawkRyzen 9 9900X needs an AM5 board, and X570 Tomahawk is AM4
- B650-A WiFiB650-A WiFi needs a BIOS update before it boots Ryzen 9 9900X
- B650M ProB650M Pro needs a BIOS update before it boots Ryzen 9 9900X
- B660M ProRyzen 9 9900X needs an AM5 board, and B660M Pro is LGA1700
- B660 TomahawkRyzen 9 9900X needs an AM5 board, and B660 Tomahawk is LGA1700
- B760 Tomahawk WiFiRyzen 9 9900X needs an AM5 board, and B760 Tomahawk WiFi is LGA1700
- Z690 TomahawkRyzen 9 9900X needs an AM5 board, and Z690 Tomahawk is LGA1700