G.Skill

G.Skill Trident Z5 RGB F5-6400J3239F48GX2-TZ5RK

Expert rating8 / 10

Model:: G.Skill Trident Z5 RGB
Capacity:: 96GB (2x48GB Kit)
DDR Generation:: DDR5
Speed:: 6400MT/s
CAS Latency:: CL32
Voltage:: 1.40V
Overclocking:: Intel XMP 3.0
Heat Spreader:: RGB
Warranty:: Limited Lifetime

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Manufacturer: G.Skill Last updated: September 12, 2026

G.Skill Trident Z5 RGB F5-6400J3239F48GX2-TZ5RK Review

The G.Skill Trident Z5 RGB F5-6400J3239F48GX2-TZ5RK packs 96GB across just two 48GB modules at DDR5-6400 CL32, letting two-slot boards reach high capacity without a quad-DIMM kit.

96GB Intel creator builds on two-slot boards. Not for gaming-only builds where less capacity suffices. Skip on unconfirmed 48GB QVL support.

Performance and Timings

At DDR5-6400 CL32 (32-39-39-102), this kit lands at roughly 10.0ns of true first-word latency, a figure worth checking against any kit you're cross-shopping rather than judging by CAS number alone.

Compatibility

Rated timings load via Intel XMP 3.0 with a single BIOS toggle; outside that profile the kit boots at JEDEC defaults on any DDR5 platform. Confirm your motherboard's QVL and populate matched slots for dual/quad-channel operation.

Module Count and Rank

Ships as 2 x 48GB modules for a 96GB total; buy the full kit as one matched set rather than pairing separately purchased sticks, since G.Skill does not guarantee cross-kit compatibility.

Design and Build

Matte Black aluminum heat spreader with an addressable RGB light bar synced through G.Skill software and major motherboard ecosystems.

Overclocking and BIOS Setup

Confirm your board's QVL lists 48GB single-rank modules before buying; enable Intel XMP 3.0 for the CL32 6400MT/s profile.

Comparison to Alternatives

Against the G.Skill Trident Z5 RGB F5-6400J3239G32GX2-TZ5RK already in this catalog and the G.Skill Trident Z5 Neo RGB F5-6000J3444F64GX2-TZ5NR, this Trident Z5 RGB kit is worth weighing on price-per-GB, rated timings, and whether the extra RGB or premium finish actually matters for your build before paying a premium for either.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Expert rating8 / 10

A 96GB two-DIMM kit that lets capacity-hungry Intel builds skip straight past 64GB without needing four memory slots.

Best for

High-capacity Intel creator and workstation builds wanting 96GB without moving to a quad-DIMM kit.
Builders who want fast 6400MT/s memory alongside a large working set.
Two-slot ITX and mATX boards where a two-DIMM 96GB kit is the only way to reach this capacity.

Not for

Gaming-only builds where 32GB or 64GB is already sufficient.
AMD Ryzen builds better matched to an EXPO-certified kit.
Boards whose QVL doesn't yet confirm 48GB single modules at 6400MT/s.

Specifications

What these specs mean

Speed Score

8.8/10

How fast this kit is among DDR5 kits, rated from its speed and latency.

Identity

Peak Bandwidth	102.4 GB/s
Brand	G.Skill
Part Number	F5-6400J3239F48GX2-TZ5RK
Series	Trident Z5 RGB

Memory

DDR Generation	DDR5
Capacity	96 GB
Speed	6400 MT/s
CAS Latency	32
Module Count	2
Voltage	1.40 V

Physical

RGB Lighting	Yes

Module and platform

RAM Segment	Desktop DDR5
Form Factor	288-Pin DIMM
Buffering	No (Unbuffered)
Platform Optimisation	Intel

Capacity

Capacity Per Module	48 GB

Speed and timings

True Latency	10.0 ns

Overclocking profile

XMP Support	Yes
XMP Version	XMP 3.0
EXPO Support	No

Silicon

Memory IC	SK Hynix A-die (high-density, single-rank 24Gb dies for 48GB modules)
ECC	No

Physical and lighting

Colour	Matte Black

Commercial

Warranty	Limited Lifetime

FAQs

What are the key specifications of the G.Skill Trident Z5 RGB F5-6400J3239F48GX2-TZ5RK (96GB 2x48GB Kit/DDR5 6400MHz/CL32 32-39-39-102/1.40V/RGB Matte Black/Intel XMP 3.0)?

Key specs for the G.Skill Trident Z5 RGB F5-6400J3239F48GX2-TZ5RK: Capacity Per Module 48 GB, Capacity 96 GB, Speed 6400 MT/s, OC Profile XMP 3.0, Voltage 1.40 V, DDR Generation DDR5.

Will the G.Skill Trident Z5 RGB F5-6400J3239F48GX2-TZ5RK (96GB 2x48GB Kit/DDR5 6400MHz/CL32 32-39-39-102/1.40V/RGB Matte Black/Intel XMP 3.0) work with my current setup?

The G.Skill Trident Z5 RGB F5-6400J3239F48GX2-TZ5RK (96GB 2x48GB Kit/DDR5 6400MHz/CL32 32-39-39-102/1.40V/RGB Matte Black/Intel XMP 3.0) lists DDR Generation is DDR5. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits. Our upgrade checker at /upgrade can confirm compatibility for common combinations.

Who is the G.Skill Trident Z5 RGB F5-6400J3239F48GX2-TZ5RK (96GB 2x48GB Kit/DDR5 6400MHz/CL32 32-39-39-102/1.40V/RGB Matte Black/Intel XMP 3.0) best suited to?

Best suited to: High-capacity Intel creator and workstation builds wanting 96GB without moving to a quad-DIMM kit; Builders who want fast 6400MT/s memory alongside a large working set; Two-slot ITX and mATX boards where a two-DIMM 96GB kit is the only way to reach this capacity.

What are the drawbacks of the G.Skill Trident Z5 RGB F5-6400J3239F48GX2-TZ5RK (96GB 2x48GB Kit/DDR5 6400MHz/CL32 32-39-39-102/1.40V/RGB Matte Black/Intel XMP 3.0)?

Not the best fit for: Gaming-only builds where 32GB or 64GB is already sufficient; AMD Ryzen builds better matched to an EXPO-certified kit; Boards whose QVL doesn't yet confirm 48GB single modules at 6400MT/s.