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G.Skill Trident Z5 Royal DDR5-6400 CL30 32GB (2x16GB) specifications and in-depth review

G.Skill Trident Z5 Royal DDR5-6400 CL30 32GB (2x16GB)

Manufacturer: G.Skill

G.Skill's Trident Z5 Royal DDR5-6400 is a dual-module desktop memory kit designed for DDR5 platforms, offering a total capacity of 32GB through a 2x16GB configuration. It features an integrated heatsink alongside RGB lighting and fits standard 288-pin DIMM slots, with a module height of 43 mm. The kit operates at a voltage of 1.1V and does not carry ECC support.

On the performance side, the kit is rated at a tested speed of 6400 MHz, while its SPD-programmed speed sits at 4800 MHz. Primary timings are set at CL30-39-39-102, and the true latency works out to approximately 9.38 ns at the rated frequency. Overclocking configuration is handled through Intel XMP 3.0, and the modules do not use Samsung B-Die ICs according to the available specifications.

Pros
  • Tested speed of 6400 MHz places this kit at the higher end of DDR5 frequency ranges supported by XMP profiles
  • Intel XMP 3.0 support allows the rated frequency and timings to be applied through a single BIOS toggle on compatible motherboards
  • The 2x16GB dual-channel configuration provides 32GB of total capacity, which suits memory-intensive desktop workloads
  • Integrated heatsink assists with thermal management during sustained operation
  • RGB lighting is included for users who want illuminated components in their build
Cons
  • True latency of 9.38 ns is relatively high due to the loose CL30 primary timings at this frequency
  • Does not use Samsung B-Die ICs, which may matter to users who prioritize that specific memory chip for overclocking
  • SPD speed is 4800 MHz, meaning the rated 6400 MHz requires XMP to be manually enabled — it will not run at full speed out of the box
  • ECC is not supported, ruling this kit out for workloads or platforms that require error-correcting memory
  • At 43 mm tall, clearance conflicts with large tower CPU coolers are possible depending on the case and motherboard layout
Who is this for?

This kit is well-suited to desktop users building a DDR5 system who want a high-frequency 32GB configuration without needing to manually fine-tune timings, since Intel XMP 3.0 handles profile application automatically on compatible motherboards. The RGB lighting and integrated heatsink make it a reasonable fit for builds where aesthetics and thermal management are both considerations. Users running memory-intensive desktop applications who want headroom beyond entry-level DDR5 speeds will find the 6400 MHz rated frequency relevant to their use case.

Who is this NOT for?

This kit is not suitable for users or platforms that require ECC memory, such as workstation or server environments where data integrity is a priority. Those who prioritize tight primary timings for latency-sensitive workloads may find CL30 at 6400 MHz less appealing, as the true latency of 9.38 ns reflects the trade-off between frequency and timing precision. Additionally, users with large tower CPU coolers and limited DIMM slot clearance should verify compatibility, as the 43 mm module height can create physical conflicts in certain build configurations.

Performance:

true latency 9.38 ns
memory speed (Tested Speed) 6400
memory speed (SPD) 4800 MHz
DDR memory version 5
CAS Latency (CL) 30
tRAS timing 102
tRCD timing 39
tRP timing 39

This kit operates under the DDR5 standard, with a tested memory speed of 6400 MHz and an SPD-programmed speed of 4800 MHz. Primary timings are configured at CL30-39-39-102, covering CAS Latency, tRCD, tRP, and tRAS respectively. At the rated frequency, these timings translate to a true latency of 9.38 ns, reflecting the relationship between clock speed and timing tightness inherent to high-frequency DDR5 operation.

General info:

form factor 288-pin DIMM
memory size (total) 2 x 16GB
has Samsung B-Die ✕
voltage 1.1V
height 43 mm
memory size 16GB

The kit uses a standard 288-pin DIMM form factor and comes as a dual-module set, with each stick providing 16GB for a total capacity of 32GB. The modules run at 1.1V and stand 43 mm tall, which is worth noting for builds with tighter clearance around the CPU cooler. These modules do not use Samsung B-Die ICs.

Features:

Intel XMP / AMD EXPO Intel XMP 3.0
Supports ECC memory ✕
Has an integrated heatsink ✓
has RGB lighting ✓

The kit supports Intel XMP 3.0 for straightforward frequency and timing configuration on compatible platforms. An integrated heatsink is included, and the modules feature RGB lighting. ECC memory is not supported.

Benchmarks:

Final Verdict

The G.Skill Trident Z5 Royal DDR5-6400 is a capable DDR5 desktop memory kit that delivers a 32GB dual-channel configuration at a rated frequency of 6400 MHz, with Intel XMP 3.0 making profile activation straightforward on supported platforms. Its CL30-39-39-102 timing profile reflects the typical trade-off between high clock speeds and primary timing tightness at this frequency tier, and users should be aware that ECC is absent and the 43 mm height may require clearance checks in tighter builds. For DDR5 desktop builds where capacity, frequency headroom, and aesthetics all factor into the decision, this kit presents a well-rounded option — provided the platform and physical build constraints align with its specifications.