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Supermicro C9X299-RPGF-L Motherboard ATX Intel X299
Supermicro

Supermicro C9X299-RPGF-L Motherboard ATX Intel X299

Bottom line: The Supermicro C9X299-RPGF-L Motherboard ATX Intel X299 is a specs-and-price decision rather than a crowd-consensus one in the retro motherboards category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Intel X299
  • ✓ Backed by Supermicro's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

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 scored Supermicro C9X299-RPGF-L Motherboard ATX Intel X299 using a rating × review-volume × price-fit model applied to published specs and reviews across the retro motherboards category. Supermicro's retro motherboards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

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

BrandSupermicro
PlatformNo Operating System
CPU ModelCore i9
CPU SocketLGA 2066
Model NameC9X299-RPGF-L
Unit Count1 Count
Chipset TypeIntel X299
Model NumberC9X299-RPGF
Chipset FamilyIntel X299
Number of Items1
Number of Ports25
Total Usb Ports12
Processor SocketLGA 2066
Total PCIe Ports5
Total SATA Ports6
Compatible DevicesServer
Memory Clock Speed2933
Warranty DescriptionFull Warranty
RAM Memory TechnologyDDR4
Memory Slots Available8

Ready to buy?

Supermicro C9X299-RPGF-L Motherboard ATX Intel X299 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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