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G.SKILL Trident Z5 RGB Series DDR5 RAM (Intel XMP 3.0) 48GB (2x24GB) Up to 8000MT/s CL40-48-48-128 1.35V Desktop Computer Memory U-DIMM - Matte Black (F5-8000J4048F24GX2-TZ5RK)
G.SKILL

G.SKILL Trident Z5 RGB Series DDR5 RAM (Intel XMP 3.0) 48GB (2x24GB) Up to 8000MT/s CL40-48-48-128 1.35V Desktop Computer Memory U-DIMM - Matte Black (F5-8000J4048F24GX2-TZ5RK)

Bottom line: The G.SKILL Trident Z5 RGB Series DDR5 RAM: 48GB (2x24GB) kit clears the 32GB wall for local LLMs without a 4-DIMM stability hit; main trade-off: G.SKILL lists only Intel Z890 and Z790 support; no AMD EXPO profile for Ryzen builds.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For desktop and laptop memory upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 48GB (2x24GB) kit clears the 32GB wall for local LLMs without a 4-DIMM stability hit
  • ✓ DDR5-8000 CL40-48-48-128 XMP 3.0 profile is one flip in BIOS on Z890 or Z790
  • ✓ 24GB non-binary modules hit 48GB on two slots, keeping 1DPC signal integrity
  • ✓ Matte black heatspreader plus RGB suits blacked-out builds better than silver Z5 kits

Cons

  • ✗ G.SKILL lists only Intel Z890 and Z790 support; no AMD EXPO profile for Ryzen builds
  • ✗ Boots at JEDEC SPD speed by default, so you get nothing extra until XMP is enabled
  • ✗ 8000MT/s is an overclock; your CPU memory controller may not validate at the rated bin
  • ✗ No ECC, so this is a gaming and workstation kit, not a server or NAS part

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SpecPicks Verdict

SpecPicks scored G.SKILL Trident Z5 RGB Series DDR5 RAM (Intel XMP 3.0) 48GB (2x24GB)… using a rating × review-volume × price-fit model applied to published specs and reviews across the memory (ram) category. G.SKILL's memory (ram) lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for memory (ram) of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • G.SKILL Trident Z5 RGB Series DDR5 U-DIMM Memory Kit, Model: F5-8000J4048F24GX2-TZ5RK
  • 48GB total capacity kit containing 2x24GB modules, rated for up to DDR5-8000 CL40-48-48-128 at 1.35V
  • 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 platforms. Refer to G.SKILL memory QVL or RAM Configurator tool on the G.SKILL website for more details on validated motherboard and hardware.

Full Specifications

BrandG.SKILL
Voltage1.35 volts
RAM Size48 GB
Model NameTrident Z5 RGB Series
Form FactorDIMM
Memory Speed8000 mt_s
Model NumberF5-8000J4048F24GX2-TZ5RK
CompatibilityPC
Item Type NameDDR5 SDRAM U-DIMM INTEL XMP
Number of Pins288
Mfr Part NumberF5-8000J4048F24GX2-TZ5RK
Number of Items2
Number of Packs2
Memory GenerationDDR5
Compatible DevicesDesktop
Data Transfer Rate8000 megabits_per_second
Memory Form FactorUDIMM
Additional FeaturesHigh Performance
Computer Memory Size48 GB
Warranty DescriptionLimited Lifetime Manufacturer

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G.SKILL Trident Z5 RGB Series DDR5 RAM (Intel XMP 3.0) 48GB (2x24GB) Up to 8000MT/s CL40-48-48-128 1.35V Desktop Computer Memory U-DIMM - Matte Black (F5-8000J4048F24GX2-TZ5RK) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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G.SKILL Trident Z5 RGB Series DDR5 RAM (Intel XMP 3.0) 48GB (2x24GB) Up to 8000MT/s CL40-48-48-128 1.35V Desktop Computer Memory U-DIMM - Matte Black (F5-8000J4048F24GX2-TZ5RK)
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