Supermicro
C9X299-RPGF-L Motherboard ATX Intel X299
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The C9X299-RPGF-L Motherboard ATX Intel X299 is a niche pick — read recent reviews before buying in the retro motherboards category, priced around $296.00. Read recent reviews carefully before committing.
Supermicro C9X299-RPGF-L Socket LGA2066 Intel X299 ATX System Board (Motherboard) Supports Core i7 X/i9 X Series DDR4 8x DIMM
SpecPicks Verdict
SpecPicks classifies Supermicro C9X299-RPGF-L Motherboard ATX Intel X299 as a niche pick — read recent reviews before buying in the retro motherboards category, based on limited Amazon review volume so far and our ranking model that weights rating × review-volume × price-fit. Supermicro's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for retro motherboards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Intel X299
- ✓ Backed by Supermicro's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Intel 10th Generation Core i9 Extreme X-series, Intel 7th Generation Core i7 X-series, Intel 9th Generation Core i7 X-series, Intel 9th Generation Core i9 X-series, Intel Core i9 Extreme X-series Processor Single Socket LGA-2066 (Socket R4) supported, CPU TDP supports Up to 165W TDP
- Intel X299
- Up to 256GB Unbuffered non-ECC UDIMM, DDR4-2933MHz, in 8 DIMM slots
- 4 PCI-E 3.0 x16, 1 PCI-E 3.0 x1 M.2 Interface: 2 PCI-E 3.0 x4, RAID 0 & 1 M.2 Form Factor: 2280/22110 M.2 Key: M-Key U.2 Interface: 2 PCI-E 3.0 x4
- 1 VGA port, *For IPMI functionality only Single LAN with Intel Ethernet Controller I210-AT
Full Specifications
| Brand | Supermicro |
|---|---|
| Platform | No Operating System |
| CPU Model | Core i9 |
| CPU Socket | LGA 2066 |
| Model Name | C9X299-RPGF-L |
| Chipset Type | Intel X299 |
| Model Number | C9X299-RPGF |
| Number of Ports | 25 |
| Total Usb Ports | 12 |
| Processor Socket | LGA 2066 |
| Total PCIe Ports | 5 |
| Total SATA Ports | 6 |
| Compatible Devices | Server |
| Memory Clock Speed | 2933 |
Ready to buy?
Supermicro C9X299-RPGF-L Motherboard ATX Intel X299 is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Related Retro Motherboards
