G.Skill

G.Skill MEGS-6400-3239G16-RW Trident Z5 RGB 32GB DDR5 6400MHz

4.6 (1302 reviews)
32GB DDR5

DDR5-6400 at CL32 delivers tight latency and high bandwidth for Intel Z790/Z890 gaming and workstation builds.

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Overview

The G.Skill Trident Z5 RGB DDR5-6400 kit (F5-6400J3239G16GX2-TZ5RW) is a 32GB dual-channel memory configuration consisting of two 16GB DDR5 U-DIMM modules rated at 6400MT/s with CL32-39-39-102 timings at 1.40V. In practical terms, those specifications translate to approximately 102.4 GB/s of theoretical dual-channel bandwidth with a true access latency of around 10.0 nanoseconds — a meaningful improvement over DDR5-5200 or DDR5-5600 baseline configurations in both throughput-bound workloads like video encoding and latency-sensitive tasks like gaming. The kit ships with an Intel XMP 3.0 profile, meaning a single BIOS toggle on compatible Intel Z890, Z790, B860, or B760 motherboards brings the memory to its rated speed without manual timing or voltage configuration.

This kit targets enthusiast PC builders and gamers running Intel 13th, 14th, or Arrow Lake generation processors who want to move beyond JEDEC baseline DDR5 speeds without the instability risk of aggressive manual overclocking. The matte white dual-texture heatspreader accommodates most tower coolers without clearance issues, and the integrated RGB lighting is controllable through major motherboard software suites. At 288 pins in standard U-DIMM form factor, physical compatibility is straightforward on any DDR5 desktop platform. The key constraint to understand is that this is a matched, binned kit — the two modules are tested together at these specific timings, and mixing with other memory will likely result in the system falling back to JEDEC defaults or failing to boot. For builders who want validated DDR5-6400 performance with minimal configuration effort on Intel platforms, the Trident Z5 RGB delivers exactly that.

Key Features

G.SKILL Trident Z5 RGB Series DDR5 U-DIMM Memory Kit, Model: F5-6400J3239G16GX2-TZ5RW

32GB total capacity kit containing 2x16GB 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 B860, 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.

Usage in any manner inconsistent with manufacturer specifications, warnings, designs, or recommendations will result in lower speeds, system instability, or damage to the system or its components.

Memory kits will boot at JEDEC default SPD speed at default BIOS settings with compatible hardware.

For memory kits with XMP and/or EXPO overclock profile, enable XMP/EXPO/DOCP/A-XMP profile in BIOS to reach up to the rated potential XMP or EXPO overclock speed of the memory kit, subject to the use of compatible hardware. Enabling XMP or EXPO is an act of overclocking and requires BIOS setting adjustments.

Reaching the rated XMP or EXPO overclock speed and system stability will depend on the compatibility and capability of the motherboard and CPU used.

Specifications

Series
Trident Z5 RGB
Model
F5-6400J3239G16GX2-TZ5RW
Total Capacity
32GB (2 x 16GB)
Memory Type
DDR5 U-DIMM
Pin Count
288-pin
Speed
6400MT/s
CAS Latency
CL32 (32-39-39-102)
Voltage
1.40V
ECC
Non-ECC
Overclock Profile
Intel XMP 3.0
Compatible Platforms
Intel Z890, Z790, B860, B760
Color
Matte White
Lighting
Customizable RGB

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Pros & Cons

👍 Pros

  • DDR5-6400MT/s speed delivers 102.4 GB/s theoretical dual-channel bandwidth, benefiting memory-hungry workloads and high-framerate gaming
  • CL32-39-39-102 timings yield approximately 10.0ns true latency, competitive with lower-speed tighter-timing kits
  • 1.40V operating voltage stays within safe daily use range while leaving headroom for further manual overclocking
  • Intel XMP 3.0 profile enables one-click setup to rated speed without manual BIOS tuning
  • Dual-texture heatspreader with per-module RGB lighting adds build aesthetics without increasing module height beyond standard clearance

👎 Cons

  • 32GB (2x16GB) configuration leaves no room for expansion on dual-DIMM motherboards without replacing the kit entirely
  • No AMD EXPO profile means reaching rated speeds on Ryzen platforms requires manual tuning with no stability guarantee
  • 1.40V XMP voltage is higher than JEDEC baseline, which may reduce compatibility with budget motherboards that have weaker VRM for memory
  • CL32 primary timing is not the tightest available at DDR5-6400 — competitive kits exist at CL30 for latency-sensitive workloads
  • RGB lighting adds a marginal power draw and another software dependency for customization

Frequently Asked Questions

This kit includes an Intel XMP 3.0 profile and is validated for Intel Z890, Z790, B860, and B760 platforms. It does not carry an AMD EXPO profile. It will physically fit any DDR5 motherboard but reaching the rated 6400MT/s speed on AMD requires manual BIOS tuning with no guaranteed stability — check G.Skill's QVL for AMD validation if needed.
DDR5-6400 delivers approximately 51.2 GB/s per channel (102.4 GB/s dual-channel), a 14% bandwidth increase over DDR5-5600. The CL32 timing at 6400MT/s yields a true latency of roughly 10.0 nanoseconds, which is comparable to or better than lower-speed kits with tighter CAS numbers — so you gain bandwidth without sacrificing latency.
Yes. Out of the box, the kit boots at the JEDEC default DDR5 speed (typically 4800MT/s). You must enter your BIOS and enable the Intel XMP 3.0 profile to reach DDR5-6400 at CL32-39-39-102 with 1.40V. This is a one-step process on supported motherboards.
G.Skill explicitly warns against mixing memory kits. These two 16GB modules are binned and tested together as a matched pair. Adding modules from a different kit — even the same model — risks instability or failure to POST because the secondary modules were not validated at these timings with this specific pair.
The kit runs at 1.40V, which is within the standard range for XMP DDR5 overclocking. DDR5 modules are generally rated to handle up to 1.435V on mainstream platforms. At 1.40V, you are well within safe daily operating parameters and should not experience accelerated degradation.