G.Skill Trident Z5 RGB F5-6400J3239G16GX2-TZ5RK
- Model:
- G.Skill Trident Z5 RGB
- Capacity:
- 32GB (2x16GB Kit)
- DDR Generation:
- DDR5
- Speed:
- 6400MHz (PC5-51200)
- CAS Latency:
- CL32
- Voltage:
- 1.40V
- Overclocking:
- Intel XMP 3.0
- Heat Spreader:
- Aluminum Crown Design
- Colour:
- Matte Black
- Warranty:
- Limited Lifetime
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Manufacturer: G.Skill Last updated: September 8, 2026
G.Skill Trident Z5 RGB F5-6400J3239G16GX2-TZ5RK (32GB 2x16GB Kit/DDR5 6400MHz/CL32 32-39-39-102/1.40V/RGB Matte Black/Intel XMP 3.0) Review
The G.Skill Trident Z5 RGB F5-6400J3239G16GX2-TZ5RK runs above G.Skill’s mainstream 6000MHz tier at 6400MHz CL32, aimed at platforms and CPUs with headroom beyond the AMD-optimal 6000MHz fabric ratio, primarily Intel systems without that memory-controller constraint.
Intel platforms without a memory-fabric ratio ceiling wanting genuine above-6000MHz bandwidth. A cleaner upgrade path here than on mainstream AM5. Not for standard AM5 builds chasing the best price-to-performance. The 6000MHz CL30 kit generally delivers more real-world benefit per dollar on Ryzen specifically, given the fabric-ratio ceiling.
Performance and Timings
CL32 at 6400MHz gives roughly 10ns true latency, competitive with the tightest 6000MHz CL30 kits despite the higher frequency, reflecting genuinely well-binned dies at this speed tier.
Compatibility
Intel XMP 3.0 reaches the rated 6400MHz CL32 with a single BIOS toggle. This sits above the most broadly validated 6000MHz DDR5 tier, so confirm the motherboard’s QVL specifically lists 6400MHz support before buying.
Module Count and Rank
Two 16GB modules. Buy the full 32GB needed in one matched kit; higher-frequency DDR5 kits are generally less forgiving of mixed sourcing than more common speed tiers.
Design and Build
The signature Trident Z5 crown heat spreader and RGB light bar, in matte black, matching the design language across G.Skill’s flagship line regardless of speed tier.
Overclocking and BIOS Setup
Boots at JEDEC baseline until XMP is enabled. Select the profile, choose 6400MHz CL32, save, reboot, verify in CPU-Z. Given this sits above the mainstream 6000MHz tier, a BIOS update beforehand is worth doing regardless of platform.
Comparison to Sibling Products
Against G.Skill’s own 6000MHz CL30 kit, this trades a small latency advantage for meaningfully higher raw frequency, a trade that favors Intel platforms without AMD’s fabric-ratio ceiling. Against the 64GB version of this same 6400MHz CL32 speed grade, that kit doubles capacity for a real price premium.
Specifications
Identity
| Brand | G.Skill |
|---|---|
| Series | Trident Z5 RGB |
Memory
| DDR Generation | DDR5, 288-Pin DIMM, Non-ECC, Unbuffered |
|---|---|
| Capacity | 32 GB |
| Speed | 6400 MT/s |
| CAS Latency | 32 |
| Voltage | 1.40 V |
Physical and lighting
| Colour | Matte Black |
|---|
Commercial
| Warranty | Limited Lifetime |
|---|
| Model Number | F5-6400J3239G16GX2-TZ5RK |
|---|---|
| OC Profile | Intel XMP 3.0 |
| Heat Spreader | Aluminum Crown Design, RGB Light Bar |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Intel platforms without a memory-fabric ratio ceiling wanting genuine above-6000MHz bandwidth. A cleaner upgrade path here than on mainstream AM5.
Not for
- Not for standard AM5 builds chasing the best price-to-performance. The 6000MHz CL30 kit generally delivers more real-world benefit per dollar on Ryzen specifically, given the fabric-ratio ceiling.
FAQs
What are the key specifications of the G.Skill Trident Z5 RGB F5-6400J3239G16GX2-TZ5RK (32GB 2x16GB Kit/DDR5 6400MHz/CL32 32-39-39-102/1.40V/RGB Matte Black/Intel XMP 3.0)?
The G.Skill Trident Z5 RGB F5-6400J3239G16GX2-TZ5RK (32GB 2x16GB Kit/DDR5 6400MHz/CL32 32-39-39-102/1.40V/RGB Matte Black/Intel XMP 3.0) is a memory kit from G.Skill. Key specs: Capacity 32GB (2x16GB Kit), DDR Generation DDR5, 288-Pin DIMM, Non-ECC, Unbuffered, Speed 6400MHz (PC5-51200), CAS Latency 32, Voltage 1.40V.
Will the G.Skill Trident Z5 RGB F5-6400J3239G16GX2-TZ5RK (32GB 2x16GB 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 F5-6400J3239G16GX2-TZ5RK (32GB 2x16GB Kit/DDR5 6400MHz/CL32 32-39-39-102/1.40V/RGB Matte Black/Intel XMP 3.0) lists DDR Generation is DDR5, 288-Pin DIMM, Non-ECC, Unbuffered. 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 F5-6400J3239G16GX2-TZ5RK (32GB 2x16GB Kit/DDR5 6400MHz/CL32 32-39-39-102/1.40V/RGB Matte Black/Intel XMP 3.0) best suited to?
It suits intel platforms without a memory-fabric ratio ceiling wanting genuine above-6000mhz bandwidth. a cleaner upgrade path here than on mainstream am5..
What are the drawbacks of the G.Skill Trident Z5 RGB F5-6400J3239G16GX2-TZ5RK (32GB 2x16GB Kit/DDR5 6400MHz/CL32 32-39-39-102/1.40V/RGB Matte Black/Intel XMP 3.0)?
It is a poor fit for not for standard am5 builds chasing the best price-to-performance. the 6000mhz cl30 kit generally delivers more real-world benefit per dollar on ryzen specifically, given the fabric-ratio ceiling..
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