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Corsair CMK64GX4M8Z2933C16 Vengeance LPX 64GB DDR4 2933MHz Memory — main product image
Corsair CMK64GX4M8Z2933C16 Vengeance LPX 64GB DDR4 2933MHz Memory
Corsair CMK64GX4M8Z2933C16 Vengeance LPX 64GB DDR4 2933MHz Memory
Corsair CMK64GX4M8Z2933C16 Vengeance LPX 64GB DDR4 2933MHz Memory
Corsair CMK64GX4M8Z2933C16 Vengeance LPX 64GB DDR4 2933MHz Memory
Corsair CMK64GX4M8Z2933C16 Vengeance LPX 64GB DDR4 2933MHz Memory
Corsair CMK64GX4M8Z2933C16 Vengeance LPX 64GB DDR4 2933MHz Memory
Corsair

Corsair CMK64GX4M8Z2933C16 Vengeance LPX 64GB DDR4 2933MHz Memory

★★★★★4.8 (63968 reviews)
64GB DDR4

64GB of DDR4-2933 across eight sticks gives Threadripper X399 builds the full eight-channel memory bandwidth that massive multi-core workloads actually demand.

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Overview

The Corsair Vengeance LPX CMK64GX4M8Z2933C16 is a 64GB DDR4 memory kit configured as eight 8GB modules running at 2933MHz (PC4-23400) with CAS latency 16 at 1.35V under XMP 2.0. For AMD Threadripper X399 platforms, this configuration is significant: it populates all eight DIMM slots on a quad-channel board, placing two modules per channel, and delivers a theoretical peak bandwidth of approximately 46.9 GB/s across the full memory bus. The 2933MHz rated speed represents a meaningful step above the 2666MHz baseline common to other 64GB Threadripper kits, and the eight-layer PCB with pure aluminum heat spreader provides both the signal integrity and thermal headroom needed to sustain those speeds under the continuous memory pressure that multi-core Threadripper workloads generate.

This kit is purpose-built for the AMD Threadripper X399 platform and the class of users who choose it: 3D animators and visual effects artists running scene files that exceed 32GB of RAM, software developers compiling massive codebases with parallel build jobs, data scientists working with large in-memory datasets, and content creators encoding multi-stream 4K or 8K footage simultaneously. The 64GB capacity at the lowest practical latency for this form factor removes memory as a bottleneck in workflows where Threadripper's core count would otherwise be the limiting resource. The low-profile design is a practical consideration in these builds, where large tower coolers or 360mm radiator loops frequently occupy the airspace directly above the DIMM slots — clearance is not optional, it is a build requirement.

Key Features

VENGEANCE LPX module is built with a pure aluminum heat spreader for faster heat dissipation and cooler operation; the custom performance PCB helps manage heat, provides superior overclocking headroom

Available in multiple colors to match your motherboard, your components, or just your style

VENGEANCE LPX is optimized and compatibility tested for the latest AMD X399 Series motherboards with Thread ripper Series CPUs and offers higher frequencies, greater bandwidth, lower power consumption

XMP 2.0 support for trouble-free automatic overclocking

The VENGEANCE LPX module height is carefully designed to fit smaller spaces.

Specifications

Memory Capacity
64GB
Memory Type
DDR4
Memory Speed
2933MHz
Heat Spreader Material
Pure Aluminum
PCB Type
Custom Performance PCB
Overclocking Support
XMP 2.0
Optimized for
AMD X399 Series Motherboards with Threadripper Series CPUs
Form Factor
Low Profile

Corsair Vengeance LPX DDR4 3200MHz — Editorial Review & Buying Guide

The Corsair Vengeance LPX DDR4 3200MHz family (CMK8GX4M1E3200C16, CMK16GX4M2B3200C16, CMK32GX4M2E3200C16 and similar SKUs) is Corsair's mainstream-popular DDR4 desktop RAM line — low-profile aluminum heatspreaders, XMP 2.0 profile for 3200MHz at CL16 latency on Intel Z-series + AMD Ryzen X570/B550/B650 motherboards. Per Corsair's official Vengeance LPX product family page, the line targets gaming + content-creator builds with reliable XMP timings, 8-layer PCB construction for memory signal integrity, and limited lifetime warranty. Available in 8GB single, 2×8GB (16GB), 2×16GB (32GB), and 2×32GB (64GB) kits.

What Vengeance LPX DDR4 3200 Specifically Wins

  • 3200MHz at CL16 is the AMD Ryzen sweet spot — per AMD's official memory documentation for Zen 2 / Zen 3 / Zen 4 platforms, 3200MHz CL16-18-18-36 is the highest officially-supported speed for stable 1:1 FCLK / UCLK / MEMCLK ratio on Ryzen — beyond this you enter 2:1 mode with worse latency
  • Low-profile heatspreader (34mm tall) — clears tower-style CPU coolers (Noctua NH-D15, be quiet! Dark Rock 4, Deepcool AK620) without RAM-slot conflicts. Critical for ATX builds with large coolers
  • XMP 2.0 profile — one-click BIOS enable for advertised speeds; no manual timings configuration needed
  • Lifetime warranty — Corsair stands behind the product; replacement is straightforward via Corsair RMA
  • Wide motherboard compatibility — works with Intel Z270/Z370/Z390/Z490/Z590/Z690/Z790, AMD X470/X570/B550/X670/B650 (where DDR4 motherboards exist for AM5)
  • Single rank (8GB modules) or dual rank (16/32GB modules) — single rank typically benchmarks slightly faster on Intel; dual rank slightly faster on AMD. Either works
  • Consistent SKU naming — CMK[size]GX4M[count][model][speed][cas] — easier to parse than competing brands' codes

Where Vengeance LPX 3200 Specifically Fits

  • Gaming desktop builds (Ryzen 5/7/9 + Intel i5/i7/i9) — 16GB is the modern gaming floor, 32GB is the sweet spot
  • Content creator workstations (video editing, photo, design) — 32GB for moderate work, 64GB for video editing / 3D / VFX
  • Compact ITX builds with low-profile coolers (Noctua NH-L9i, ID-Cooling IS-55) where heatspreader height matters
  • Twitch / YouTube streaming PCs running OBS + game + browser + Discord — 32GB minimum for smooth multi-app workflows
  • Office / productivity builds — 16GB Vengeance LPX provides better-than-default RAM at marginal cost over commodity OEM RAM
  • Mid-tier home server / NAS builds (FreeNAS / TrueNAS / Unraid) needing ECC-compatible motherboard support
  • VR-ready gaming setups — Quest 2/3 Link + heavy game requires 32GB+ for smooth streaming

Honest Limits Buyers Should Know

  • DDR4 only — not for DDR5 motherboards. Current Intel 12th/13th/14th gen + AMD Ryzen 7000 series motherboards mostly use DDR5. Verify the motherboard's memory generation before purchase — DDR4 RAM does NOT fit DDR5 slots
  • 3200MHz is mainstream — not high-end. Faster Vengeance LPX kits exist at 3600/3866/4000MHz with lower CL latencies for enthusiast overclocking. The 3200/CL16 spec is the "safe and stable" default; performance gains from 3600+ are modest for typical use
  • Limited overclocking headroom on AMD Ryzen. Beyond AMD's official 3200MHz sweet spot, manual timing tuning is required + benefits are platform-specific. Intel platforms tolerate higher speeds more easily
  • No RGB. Vengeance LPX is the non-RGB line. For RGB lighting, step up to Vengeance RGB Pro / RGB Pro SL / Dominator Platinum RGB. Note: RGB adds ~30% to memory cost without performance benefit
  • Heatspreader is decorative on DDR4. DDR4 at 3200MHz doesn't generate enough heat to require active cooling; the heatspreader is more cosmetic than functional
  • Compatibility quirks on first-gen Ryzen (Ryzen 1000/2000). Earlier Zen 1 / Zen+ platforms struggled with 3200MHz Hynix die memory. Sample Vengeance LPX kits with Samsung B-die or Micron E-die typically work; pure Hynix CJR / DJR can require manual tuning. Modern Zen 3+ has resolved this
  • Non-ECC. For mission-critical workstations / servers needing error correction, look at Crucial / Kingston Server Premier ECC variants
  • Multi-stick kits required for dual-channel operation. Single-stick installations work but lose ~30% bandwidth vs matched-kit dual-channel. Buy as 2-stick kit, never single + single matched-spec

Where Buyers Should Look Elsewhere

  • DDR5 platforms (Intel 12th+ / AMD Ryzen 7000+) → Corsair Vengeance DDR5 (different SKU prefix), G.SKILL Trident Z5
  • Highest possible RAM speed for Intel → G.SKILL Trident Z Royal / Z5 RGB / Neo at 4000-7600MHz
  • RGB aesthetic → Corsair Vengeance RGB Pro SL, G.SKILL Trident Z5 RGB
  • ECC server / workstation → Kingston Server Premier ECC, Crucial Server ECC
  • Pure budget (acceptable speed loss) → Crucial Ballistix DDR4 2400/2666 or Kingston Fury Beast DDR4 2666/3000
  • Premium SK Hynix die for tight subtimings → G.SKILL Trident Z Royal, Crucial Ballistix RGB

Sources & Citations

  1. Corsair, "Vengeance LPX 3200MHz product page," corsair.com (accessed 2026-05-18)
  2. AMD, "Ryzen memory documentation and supported DDR4 speeds," amd.com (accessed 2026-05-18)
  3. Tom's Hardware, "DDR4 3200 memory comparison and benchmarks," tomshardware.com (accessed 2026-05-18)
  4. AnandTech, "DDR4 memory review coverage," anandtech.com (accessed 2026-05-18)

Last verified: 2026-05-18

Now that you've seen the details — ready to take a closer look?

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Pros & Cons

👍 Pros

  • 64GB total capacity in 8×8GB layout fills all X399 DIMM slots for maximum quad-channel memory bandwidth
  • 2933MHz rated speed exceeds the 2400/2666MHz common in competing 64GB kits targeting the same platform
  • XMP 2.0 automates the full 2933MHz CL16 profile — no manual BIOS timing configuration required
  • Low-profile aluminum heat spreader provides cooler clearance in tight Threadripper builds with large radiators
  • Custom performance PCB with eight-layer design supports overclocking headroom beyond the rated XMP frequency

👎 Cons

  • CL16 latency at 2933MHz is a relatively wide timing for the frequency — enthusiasts can find CL14 kits at similar speeds for latency-sensitive workloads
  • Compatibility is explicitly optimized for AMD X399 / first-gen Threadripper; TRX40 and Threadripper Pro users must verify QVL independently
  • Eight-slot full population can cause instability on some X399 boards at XMP speeds — may require manual voltage tuning to stabilize
  • Upgrading capacity beyond 64GB requires replacing the entire kit, as all slots are occupied
  • No RGB option in this SKU for users building visually themed systems

Frequently Asked Questions

Yes. AMD Threadripper on X399 supports quad-channel memory, not eight-channel. The 8×8GB layout populates all eight DIMM slots on a quad-channel X399 board, running two DIMMs per channel. This maximizes bandwidth and allows the platform to run at rated frequency with all slots populated — some boards require XMP tuning when all eight slots are in use.
XMP 2.0 encodes the 2933MHz CL16 timing profile directly on the SPD chip. Without it, the kit defaults to JEDEC 2133MHz. Enabling XMP in the BIOS automatically loads the 2933MHz profile — no manual frequency or timing entry required.
It is adequate for bandwidth-heavy workloads (video rendering, large file compression, scientific computing) where throughput matters more than raw latency. For latency-sensitive workloads, a tighter kit at 3200MHz CL14 would offer better access times, but the bandwidth difference at the scale of 64GB across eight sticks is negligible for most real-world Threadripper use cases.
It can. Threadripper platforms often use large tower coolers or custom water-cooling loops with hoses that route near the DIMM slots. The LPX profile at ~34mm height provides guaranteed clearance in configurations where standard-height DIMMs would create fitment conflicts.
This kit is tested and optimized for AMD X399 Series motherboards with first-generation Threadripper. Compatibility with TRX40 or Threadripper Pro platforms should be confirmed against those boards' QVL lists before purchasing.

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