G.Skill Trident Z5 RGB 48GB (2x24) DDR5-8400 CL40

A no-compromise 48GB (2x24) DDR5-8400 CL40 RGB kit for halo-speed Intel tuning on Z890-class boards — a specialist kit for enthusiasts chasing top XMP speeds with a strong IMC and board. Avoid it on AM5 (XMP 3.0 only, no EXPO, and Ryzen can't run 8400); on midrange boards it falls back to JEDEC defaults without the IMC and board to back it.
Scores
BreakdownHideOverall82±3Caliber-forward blend — tier caliber + within-tier price rank 30%, value 25%, confidence 20%, compatibility 15%, upgrade path 10% — renormalized over applicable dimensions; excluded here: value (volatile or unpriced).
Scores
BreakdownHideCaliber-forward blend — tier caliber + within-tier price rank 30%, value 25%, confidence 20%, compatibility 15%, upgrade path 10% — renormalized over applicable dimensions; excluded here: value (volatile or unpriced).
The ± band on the overall score reflects sourcing confidence — wider when fewer specs are verified.
How each score is computed: our scoring methodology.
Specifications
| Spec | Value | Verification |
|---|---|---|
| generation | DDR5Sourced | Sourced |
| capacity (GB) | 48Sourced | Sourced |
| speed mt | 8400Sourced | Sourced |
| modules | 2Sourced | Sourced |
4/4 detail specs sourced. Amber rows are flagged for verification — we show them as reported, not confirmed.
Verdict
Best for
- Halo-speed Intel memory tuning (8400 MT/s XMP on Z890-class boards)
Who should skip this
- AM5 (XMP 3.0 only, no EXPO; Ryzen cannot run 8400)
- Anyone expecting 8400 on midrange boards — falls back to JEDEC default without a strong IMC/board
Known limitations
- XMP 8400 40-52-52-134 at 1.40V requires a top-tier Intel IMC and 2-DIMM board; verified offer is a Newegg marketplace listing
Where to buy
List price $864
Prices are a guide and can change — confirm the current price on the retailer's site before buying.
Prices last checked Jun 14, 2026 — retailer prices change often, so click through for the current price.
Some links may be affiliate links — we may earn a commission at no extra cost to you; rankings are never influenced by it.
Standards
Form factors & standards — interchangeable across compatible builds, not a platform lock-in.
Compatibility
Built around DDR5. Make sure the rest of your build uses the same platform before you buy — mismatched sockets, mounts or standards are the most common return reason. Check it in the builder →
Upgrade path
A top-tier ram — there's little to upgrade to within the category.