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Corsair CMK64GX4M2A2400C16 64GB DDR4 2400MHz Desktop Memory — main product image
Corsair

Corsair CMK64GX4M2A2400C16 64GB DDR4 2400MHz Desktop Memory

★★★★★4.8 (64088 reviews)
64GB DDR4

64GB of DDR4-2400 in a dual-channel kit with a low-profile heatspreader that fits tight ITX builds without sacrificing capacity.

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Overview

The Corsair Vengeance LPX CMK64GX4M2A2400C16 is a 64GB DDR4 memory kit consisting of two 32GB modules running at 2400MHz with CL16 timings at 1.2V. In practical terms, this delivers a true latency of approximately 13.3 nanoseconds and a theoretical bandwidth of 19.2 GB/s per channel — or 38.4 GB/s in dual-channel mode. These are baseline DDR4 specifications, which means maximum compatibility with both Intel and AMD DDR4 platforms without requiring XMP activation, though enabling the XMP 2.0 profile in BIOS ensures the kit consistently hits its rated 2400MHz rather than falling back to a lower JEDEC default. The hand-sorted ICs and high-performance PCB that Corsair specifies are more about ensuring stability at full capacity than enabling extreme overclocks — this is a reliability-first kit.

The primary audience for this memory is workstation and professional users who need 64GB of addressable RAM for tasks like video editing in DaVinci Resolve or Premiere Pro, running multiple virtual machines, compiling large codebases, or working with datasets that exceed what 32GB can handle. The 34mm low-profile aluminum heatspreader makes it one of the few 64GB kits that fits under large tower coolers in ITX and micro-ATX builds where clearance is measured in millimeters. Gamers looking for maximum frame rates should look elsewhere — DDR4-3200 CL16 or DDR4-3600 CL18 kits will deliver measurably better performance in games and on AMD Ryzen's memory-sensitive architecture. But for capacity-first builds where stability and compatibility outweigh clock speed, this Vengeance LPX kit is a proven, well-supported choice backed by Corsair's lifetime warranty.

Key Features

Hand-sorted memory chips ensure high performance with generous overclocking headroom

VENGEANCE LPX is optimized for wide compatibility with the latest Intel and AMD DDR4 motherboards

A low-profile height of just 34mm ensures that VENGEANCE LPX even fits in most small-form-factor builds

A high-performance PCB guarantees strong signal quality and stability for superior overclocking ability

A solid aluminum heatspreader efficiently dissipates heat from each module so that they consistently run at high clock speeds

Supports Intel XMP 2.0 for simple one-setting installation and setup

Available in multiple colors to match the style of your system

Limited lifetime warranty provides complete peace of mind

Specifications

Brand
Corsair
Model
CMK64GX4M2A2400C16
Series
Vengeance LPX
Capacity
64GB (2 x 32GB)
Memory Type
DDR4
Speed
2400MHz (PC4-19200)
CAS Latency
CL16
Voltage
1.2V
Module Height
34mm
Heatspreader
Pure Aluminum
Overclocking
XMP 2.0 Support
Compatibility
Intel and AMD DDR4 Motherboards
Color
Black
Warranty
Limited Lifetime

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 (2x32GB) provides substantial memory headroom for virtual machines, large datasets, video editing timelines, and other memory-intensive professional workloads.
  • 34mm low-profile heatspreader design clears tower CPU coolers in compact builds where standard-height or RGB memory modules cause clearance conflicts.
  • XMP 2.0 support ensures the kit reaches its rated DDR4-2400 speed with a single BIOS toggle, eliminating manual timing configuration.
  • Aluminum heatspreader provides passive thermal management that keeps module temperatures stable under sustained load without requiring active airflow directed at the DIMMs.
  • Limited lifetime warranty from Corsair covers manufacturing defects for the life of the product.

👎 Cons

  • DDR4-2400 at CL16 is the baseline JEDEC speed tier — AMD Ryzen users and anyone doing latency-sensitive work will see measurably better performance from DDR4-3200 or faster kits.
  • 2x32GB configuration occupies both DIMM slots on dual-slot motherboards, leaving no room for future capacity expansion without replacing the kit entirely.
  • No RGB lighting or visual flair — the matte aluminum heatspreader is purely functional, which may disappoint builders prioritizing aesthetics.
  • At 1.2V and 2400MHz, overclocking headroom is uncertain — these are not binned for high-frequency operation, and results above 2666MHz will vary by motherboard and memory controller.

Frequently Asked Questions

DDR4-2400 is the baseline JEDEC specification for DDR4. On Intel platforms it runs at the default supported speed for many older and mid-range chipsets. For AMD Ryzen systems, the Infinity Fabric performance scales with memory speed, so DDR4-3200 or higher is recommended — this kit would leave bandwidth on the table. It is best suited for workstation or server tasks where capacity matters more than clock speed.
CAS latency is 16 cycles at 2400MHz, which translates to approximately 13.3 nanoseconds of true latency. This is a standard timing for DDR4-2400 — not aggressive, but stable and compatible with a wide range of motherboards without manual tuning.
Despite Corsair's marketing emphasizing Intel optimization, this kit uses standard DDR4 DIMMs and works on any motherboard with DDR4 slots. AMD AM4 and AM5 (with DDR4 boards) are fully compatible. XMP profiles may need manual activation in BIOS on AMD platforms via DOCP/EXPO.
Yes. The Vengeance LPX has a height of just 34mm, which clears most tower CPU coolers and fits in compact ITX cases where taller RAM modules with RGB heatspreaders would interfere.
XMP 2.0 provides a one-click BIOS profile to ensure the memory runs at its rated 2400MHz speed. Overclocking beyond the rated speed is possible but not guaranteed — actual headroom depends on your motherboard's memory controller and the silicon quality of the specific chips in your kit.

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