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G.SKILL Trident Z5 RGB Series DDR5 RAM (Intel XMP 3.0) 64GB (2x32GB) 6400MT/s CL32-39-39-102 1.40V Desktop Computer Memory U-DIMM - Matte Black (F5-6400J3239G32GX2-TZ5RK)
G.SKILL

G.SKILL Trident Z5 RGB Series DDR5 RAM (Intel XMP 3.0) 64GB (2x32GB) 6400MT/s CL32-39-39-102 1.40V Desktop Computer Memory U-DIMM - Matte Black (F5-6400J3239G32GX2-TZ5RK)

Bottom line: The G.SKILL Trident Z5 RGB Series DDR5 RAM ($1,499.99 on Amazon as of 2026-10-20 20:20 UTC): 64GB in just two DIMMs, leaving the other two slots free for a later capacity bump; main trade-off: validated for Intel Z890, Z790, and B760 only; no AMD EXPO profile listed.

$1499.99

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Buy on Amazon — $1,499.99 Compare to similar memory (ram)

By , Founder & Editor-in-Chief · Listing data updated

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 2026-10-20. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 64GB in just two DIMMs, leaving the other two slots free for a later capacity bump
  • ✓ DDR5-6400 CL32-39-39-102 at 1.40V, a tight CAS for a dual-rank 32GB-per-stick kit
  • ✓ Intel XMP 3.0 profile reaches rated speed from one BIOS toggle
  • ✓ Boots at JEDEC default SPD speed on compatible hardware before any tuning

Cons

  • ✗ Validated for Intel Z890, Z790, and B760 only; no AMD EXPO profile listed
  • ✗ XMP is overclocking, so 6400MT/s depends on your CPU memory controller and board
  • ✗ Non-ECC, so it rules out workstation builds that require error correction
  • ✗ Cannot be combined with another kit later; G.SKILL warns mixing causes system failure

Manufacturer description

The G.SKILL Trident Z5 RGB DDR5 kit (F5-6400J3239G32GX2-TZ5RK) pairs two 32GB U-DIMMs for 64GB of non-ECC desktop memory rated at DDR5-6400 with CL32-39-39-102 timings at 1.40V. That capacity-and-speed combination targets builders who run large game worlds alongside streaming, virtual machines, local LLM inference, or 4K timelines, where 32GB kits start swapping. Each 288-pin module ships with a JEDEC default SPD profile plus an Intel XMP 3.0 overclock profile, so the kit boots safely at stock settings and reaches its rated 6400MT/s once you enable XMP in BIOS. G.SKILL validates the kit for…

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SpecPicks Verdict

SpecPicks scored G.SKILL Trident Z5 RGB Series DDR5 RAM (Intel XMP 3.0) 64GB (2x32GB)… 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.

Frequently Asked Questions

Will this 64GB kit work with an AMD Ryzen build?

G.SKILL lists this kit for Intel Z890, Z790, and B760 platforms and includes an Intel XMP 3.0 profile, not EXPO. It may post at JEDEC default SPD speed on other platforms, but check the G.SKILL QVL or RAM Configurator for your exact board before buying.

Do I have to change BIOS settings to get 6400MT/s?

Yes. At default BIOS settings the kit boots at its JEDEC default SPD speed. You must enable the Intel XMP 3.0 profile in BIOS to reach the rated DDR5-6400 CL32-39-39-102 at 1.40V, and that is an act of overclocking.

Can I add a second kit later to reach 128GB?

G.SKILL advises against it. Memory kits are sold as matched sets designed to run together, and the manufacturer states that mixing kits will result in stability issues or system failure. Buy the capacity you need in a single kit.

Is 64GB overkill for gaming?

For gaming alone, yes. This 2x32GB configuration is aimed at builders who game while also streaming, running virtual machines, editing high-resolution video, or loading local AI models. If you only game, a smaller kit covers it.

Is this ECC memory, and what warranty applies?

No. The spec sheet lists it as non-ECC DDR5 U-DIMM, 288-pin, for desktop PC and gaming use. Check the product listing or G.SKILL's site for current warranty terms before purchase.

Key Features

  • G.SKILL Trident Z5 RGB Series DDR5 U-DIMM Memory Kit, Model: F5-6400J3239G32GX2-TZ5RK
  • 64GB total capacity kit containing 2x32GB modules, rated for up to DDR5-6400 CL32-39-39-102 at 1.40V
  • Non-ECC, DDR5 U-DIMM, 288-pin, for Desktop PC & Gaming
  • Includes JEDEC default profile, and Intel XMP 3.0 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 Intel Z890, Intel Z790, Intel B760 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 NameTrident Z5 RGB
Unit Count1 Count
Form FactorDIMM
Memory Speed6400 mt_s
Model NumberF5-6400J3239G32GX2-TZ5RK
CompatibilityPC
Built-In MediaCamera Body
Number of Pins288
Mfr Part NumberF5-6400J3239G32GX2-TZ5RK
Memory GenerationDDR5
Compatible DevicesDesktop
Data Transfer Rate6400 MHz
Memory Form FactorUDIMM
Additional FeaturesIntel XMP
Computer Memory Size64 GB
Warranty DescriptionLimited Lifetime Manufacturer
RAM Memory TechnologyDDR5

Ready to buy?

G.SKILL Trident Z5 RGB Series DDR5 RAM (Intel XMP 3.0) 64GB (2x32GB) 6400MT/s CL32-39-39-102 1.40V Desktop Computer Memory U-DIMM - Matte Black (F5-6400J3239G32GX2-TZ5RK) 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 — $1,499.99

*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.

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G.SKILL Trident Z5 RGB Series DDR5 RAM (Intel XMP 3.0) 64GB (2x32GB) 6400MT/s CL32-39-39-102 1.40V Desktop Computer Memory U-DIMM - Matte Black (F5-6400J3239G32GX2-TZ5RK)
$1,499.99
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