G.Skill F4-4000C18D-32GVK Ripjaws V 32GB DDR4 4000MHz RAM

The G.Skill Ripjaws V F4-4000C18D-32GVK is a 32GB dual-channel DDR4 kit operating at 4000 MT/s (DDR4-4000, PC4-32000) with primary timings of CL18-22-22-42 at 1.40V. DDR4-4000 is near the practical ceiling of what consumer DDR4 platforms can achieve, and the bandwidth implication is real: at 32GB/s+ theoretical peak bandwidth versus DDR4-3200's ~51.2 GB/s dual-channel peak (G.Skill's DDR4-4000 pushes to approximately 64 GB/s), this kit extracts meaningfully more bus throughput for workloads that saturate the memory interface. For AMD Ryzen processors, where the Infinity Fabric clock scales with memory frequency, higher memory speeds reduce latency between the CPU and its L3 cache — a performance axis that manifests in faster frame rendering and reduced computational stall times in heavily parallelized workloads.

The Ripjaws V is designed for builders who have invested in high-end AMD X570/B550 or Intel Z490+ platforms and want to push their memory subsystem to the platform's performance frontier. The 288-pin UDIMM form factor is standard for desktop DDR4, and the XMP 2.0 profile makes Intel-platform configuration straightforward. On AMD, users should verify their specific Ryzen CPU's memory controller capability before assuming DDR4-4000 is achievable out of the box — Ryzen's IMC has silicon lottery variance at extreme frequencies. The low-profile Ripjaws V heat spreader maintains clearance with most tower CPU coolers, keeping the kit practical in standard mid-tower builds without the clearance conflicts that taller RGB DDR4 modules introduce.