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G.SKILL Trident Z Neo Series DDR4 RAM (XMP) 32GB (2x16GB) 4000MT/s CL18-22-22-42 1.40V Desktop Computer Memory U-DIMM (F4-4000C18D-32GTZN)
G.SKILL

G.SKILL Trident Z Neo Series DDR4 RAM (XMP) 32GB (2x16GB) 4000MT/s CL18-22-22-42 1.40V Desktop Computer Memory U-DIMM (F4-4000C18D-32GTZN)

Bottom line: The G.SKILL Trident Z Neo Series DDR4 RAM: DDR4-4000 rated speed with CL18-22-22-42 timings via the XMP profile; main trade-off: hitting 4000MT/s depends on a capable CPU memory controller and board.

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Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ DDR4-4000 rated speed with CL18-22-22-42 timings via the XMP profile
  • ✓ 32GB as a matched 2x16GB pair, ready for dual-channel desktop boards
  • ✓ JEDEC default profile boots safely before you enable XMP
  • ✓ Standard 288-pin non-ECC U-DIMM format fits mainstream DDR4 desktops
  • ✓ G.SKILL QVL and RAM Configurator help confirm board compatibility

Cons

  • ✗ Hitting 4000MT/s depends on a capable CPU memory controller and board
  • ✗ Needs 1.40V under XMP, higher than stock JEDEC operation
  • ✗ Runs at JEDEC speed until you enable XMP/DOCP/A-XMP in BIOS
  • ✗ Can't be mixed with other kits without risking instability

Manufacturer description

The G.SKILL Trident Z Neo 32GB (2x16GB) DDR4 kit (model F4-4000C18D-32GTZN) is built for desktop gamers and builders who want high-bandwidth DDR4 memory. Its Intel XMP profile is rated for DDR4-4000 at CL18-22-22-42 and 1.40V, so you get fast transfer rates with tight primary latency on a DDR4 platform. The kit is two 16GB non-ECC, 288-pin U-DIMMs sold as a matched pair. That gives you 32GB in a dual-channel setup, which is enough for modern games, streaming, and multitasking-heavy workloads. Out of the box the modules boot at the JEDEC default SPD speed. When you're ready, turn on XMP…

SpecPicks Verdict

SpecPicks scored G.SKILL Trident Z Neo Series DDR4 RAM (XMP) 32GB (2x16GB) 4000MT/s… 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.

Frequently Asked Questions

Will this G.SKILL Trident Z Neo kit run at 4000MT/s right out of the box?

No. The kit boots at the JEDEC default SPD speed with default BIOS settings. To reach the rated DDR4-4000 CL18-22-22-42 at 1.40V, enable the XMP, DOCP, or A-XMP profile in your BIOS. Whether it's stable at that speed depends on your motherboard and CPU.

How do I know if this RAM is compatible with my motherboard?

G.SKILL tells buyers to check its memory QVL (qualified vendor list) or the RAM Configurator tool on the G.SKILL website. Both list motherboards and hardware validated with the F4-4000C18D-32GTZN kit.

Can I add this kit to the RAM I already have to reach 64GB?

G.SKILL advises against mixing memory kits. Each kit is sold as a matched set designed to run together, and mixing kits can cause instability or system failure. If you need more capacity, buy a single kit at the total capacity you want.

Does this memory work in laptops or servers that need ECC?

No. These are non-ECC DDR4 U-DIMMs with a 288-pin desktop form factor, made for desktop PCs and gaming systems. They won't fit laptop SO-DIMM slots and don't provide ECC error correction.

What is the warranty on the G.SKILL Trident Z Neo 32GB kit?

Warranty terms aren't included in this listing. Check the product listing or the G.SKILL website for current coverage. G.SKILL also notes that running the kit outside its specifications can lower speeds, cause instability, or damage components.

Key Features

  • G.SKILL Trident Z Neo Series DDR4 U-DIMM Memory Kit, Model: F4-4000C18D-32GTZN
  • 32GB total capacity kit containing 2x16GB modules, rated for up to DDR4-4000 CL18-22-22-42 at 1.40V
  • Non-ECC, DDR4 U-DIMM, 288-pin, for Desktop PC & Gaming
  • Includes JEDEC default profile, and Intel XMP 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.
  • 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
Voltage1.4 volts
RAM Size32 GB
Model NameTrident Z Neo
Form FactorDIMM
Memory Speed4000 mt_s
Model NumberF4-4000C18D-32GTZN
CompatibilityPC
Number of Pins288
Mfr Part NumberF4-4000C18D-32GTZN
Memory GenerationDDR4
Compatible DevicesDesktop
Data Transfer Rate4000 MHz
Memory Form FactorUDIMM
Additional FeaturesIntel XMP 2.0
Computer Memory Size32 GB
Warranty DescriptionLimited Lifetime Manufacturer
RAM Memory TechnologyDDR4
Column Address Strobe Latency18

Ready to buy?

G.SKILL Trident Z Neo Series DDR4 RAM (XMP) 32GB (2x16GB) 4000MT/s CL18-22-22-42 1.40V Desktop Computer Memory U-DIMM (F4-4000C18D-32GTZN) 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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