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G.SKILL Flare X5 Series DDR5 RAM (AMD EXPO) 64GB (2x32GB) 6000MT/s CL30-40-40-96 1.40V Desktop Computer Memory U-DIMM - Matte Black (F5-6000J3040G32GX2-FX5)
G.SKILL

G.SKILL Flare X5 Series DDR5 RAM (AMD EXPO) 64GB (2x32GB) 6000MT/s CL30-40-40-96 1.40V Desktop Computer Memory U-DIMM - Matte Black (F5-6000J3040G32GX2-FX5)

Bottom line: The G.SKILL Flare X5 Series DDR5 RAM ($1199.99 on Amazon as of 2026-10-06): DDR5-6000 CL30-40-40-96 timings, the sweet spot for AMD Ryzen gaming; main trade-off: AMD EXPO only, no Intel XMP profile included.

$1199.99

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Complete build that uses this part: Dual Radeon AI PRO R9700 Workstation: 64 GB Local LLM Build (Memory) — see the full parts list for the rest of the build.

Mike Perry — Hardware researcher since 2014. For desktop and laptop memory upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ DDR5-6000 CL30-40-40-96 timings, the sweet spot for AMD Ryzen gaming
  • ✓ 64GB (2x32GB) headroom for multitasking, VMs, and creative workloads
  • ✓ AMD EXPO profile hits rated 6000MT/s with one BIOS toggle
  • ✓ Runs the rated 6000 overclock at a low 1.40V

Cons

  • ✗ AMD EXPO only, no Intel XMP profile included
  • ✗ Validated for AM5 boards (X870/X670/B850/B840/B650); check the QVL
  • ✗ Reaching rated speed depends on your motherboard and CPU
  • ✗ Non-ECC modules, so no error correction for workstation duty

SpecPicks Verdict

SpecPicks scored G.SKILL Flare X5 Series DDR5 RAM (AMD EXPO) 64GB (2x32GB) 6000MT/s… using a rating × review-volume × price-fit model applied to published specs and reviews across the memory (ram) category. G.SKILL's memory (ram) 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 memory (ram) 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

  • G.SKILL Flare X5 Series DDR5 U-DIMM Memory Kit, Model: F5-6000J3040G32GX2-FX5
  • 64GB total capacity kit containing 2x32GB modules, rated for up to DDR5-6000 CL30-40-40-96 at 1.40V
  • Non-ECC, DDR5 U-DIMM, 288-pin, for Desktop PC & Gaming
  • Includes JEDEC default profile, and AMD EXPO memory overclock profile
  • Do not mix memory kits. Memory kits are sold in matched kits that are designed to run together as a set. Mixing memory kits will result in stability issues or system failure.
  • For AMD X870, AMD X670, AMD B850, AMD B840, AMD B650 platforms. Refer to G.SKILL memory QVL or RAM Configurator tool on the G.SKILL website for more details on validated motherboard and hardware.

Full Specifications

BrandG.SKILL
Voltage1.4 Volts
RAM Size64 GB
Model NameFlare X5 Series
Form FactorHigh Performance Desktop
Memory Speed6000 MT/s
Model NumberF5-6000J3040G32GX2-FX5
CompatibilityPC
Item Type NameDDR5-6000
Number of Pins288
Mfr Part NumberF5-6000J3040G32GX2-FX5
Memory GenerationDDR5
Compatible DevicesDesktop
Data Transfer Rate6000 MHz
Memory Form FactorUDIMM
Additional FeaturesDDR5 SDRAM U-DIMM AMD EXPO
Computer Memory Size64 GB
Warranty DescriptionLimited Lifetime Manufacturer
RAM Memory TechnologyDDR5-6000
Column Address Strobe Latency30

Ready to buy?

G.SKILL Flare X5 Series DDR5 RAM (AMD EXPO) 64GB (2x32GB) 6000MT/s CL30-40-40-96 1.40V Desktop Computer Memory U-DIMM - Matte Black (F5-6000J3040G32GX2-FX5) 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.

Buy on Amazon — $1199.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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