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Two white DDR5 desktop memory modules with aluminum heat spreaders and CNC highlight stripes

G.SKILL

G.SKILL F5-8000J4048G24GX2-TZ5N 48GB DDR5 8000 desktop RAM

SKU CH-K7SN-R46Z7 MPN F5-8000J4048G24GX2-TZ5N

48 GB dual-channel DDR5 kit running at 8000 MT/s with CL40 timings and AMD EXPO support for Ryzen 9000 systems

  • Total capacity48 GB (2 × 24 GB)
  • Rated speedDDR5 8000 (PC5 64000)
  • CAS latencyCL40
  • Memory timings40-48-48-128
  • Rated voltage1.4 V
  • Kit configurationDual Channel Kit
  • 48 GB capacity from two 24 GB modules for heavy multitasking
  • DDR5 8000 speed delivers 64000 MB/s bandwidth for fast data throughput
  • CL40 40-48-48-128 timings tuned for low-latency response
  • AMD EXPO and Intel XMP 3.0 profiles enable one-click overclocking
  • White aluminum heatspreader with CNC stripes dissipates heat at 1.40 V

Trident Z5 Neo 48GB DDR5 8000 Kit

This 48GB kit contains two 24GB DDR5 modules rated at 8000 MT/s with CL40 timings. It targets AMD Ryzen 9000 series and Threadripper platforms using 800 series chipsets. The white aluminium heatspreaders provide thermal management for sustained high-speed operation.

Dual-Channel 288-Pin Installation

Each 288-pin DIMM seats in a standard DDR5 desktop slot for dual-channel configuration. Enable the AMD EXPO profile in BIOS to apply the 8000 MT/s speed and 1.40V voltage automatically. If the profile does not activate, the modules fall back to JEDEC defaults and require manual timing entry.

Sustained Load Thermal Behaviour

The aluminium heatspreaders with CNC highlight stripes dissipate heat during prolonged workloads at 1.40V. CL40-48-48-128 timings remain stable when the EXPO profile is active on compatible AMD 870 or 800 series motherboards. Extended sessions benefit from case airflow across the white heatspreader surfaces.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $678.99
Pricier than about 90% of the 3,647 comparable items (median $90.99).
Total capacity 48 GB (2 × 24 GB)
Higher than about 85% of the 3,251 comparable items (median 16 GB).
Price per GB $14.15 per GB
Pricier than about 84% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameG.SKILL
Product lineTrident Z5 Neo Series
Model nameF5-8000J4048G24GX2-TZ5N
Total capacity48 GB (2 × 24 GB)
Product type288-Pin PC RAM
Product colorWhite
Performance
Rated speedDDR5 8000 (PC5 64000)
Memory
CAS latencyCL40
Memory timings40-48-48-128
Kit configurationDual Channel Kit
Memory profilesAMD EXPO / Intel XMP 3.0 and AMD EXPO
Heat spreaderYes
Power
Rated voltage1.4 V
Size & build
Shipping weight0.16 kg
Package size156 × 132 × 5 mm
Compatibility
Recommended forAMD 800 Series / AMD Ryzen Compatible / AMD Threadripper Compatible / AMD X870 / High Performance or Gaming Memory
More details
LED lightingNone

Questions about this item

Will this kit run at 8000 MT/s on an AMD 800-series motherboard with a Ryzen 9000 processor?

Yes, the kit is validated for AMD EXPO on 800-series chipsets with Ryzen 9000 CPUs. Enable the EXPO profile in BIOS to reach DDR5 8000 at CL40-48-48-128 with 1.40V.

Does the 288-pin DDR5 kit fit a standard ATX board with a large CPU cooler?

The Trident Z5 Neo heatspreader uses a streamlined aluminium design. Clearance depends on your specific cooler; check the cooler’s RAM-height limit against the module height before ordering.

What do the timing numbers 40-48-48-128 mean for real-world use?

They are the primary latencies: CAS latency 40, RCD 48, RP 48 and RAS 128 cycles. Lower figures reduce memory access delay, benefiting gaming and compute workloads at the rated 8000 MT/s.

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