Corsair CMK8GX4M2A2666C16 8GB Vengeance LPX DDR4 — main product image

Corsair CMK8GX4M2A2666C16 8GB Vengeance LPX DDR4

Corsair

Corsair CMK8GX4M2A2666C16 8GB Vengeance LPX DDR4

Name: Corsair CMK8GX4M2A2666C16 8GB Vengeance LPX DDR4
Brand: Corsair
SKU: CMK8GX4M2A2666C16

★★★★★4.8 (64038 reviews)

Dual-channel DDR4-2666 in a low-profile package that fits tight builds and overclocks beyond its rated speed.

$74.95*

✓ In Stock on Amazon.com

View on Amazon

*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Corsair Vengeance LPX CMK8GX4M2A2666C16 is a dual-channel DDR4 kit delivering 8GB (2x4GB) at 2666MHz with CAS latency of 16. In practical terms, that means roughly 42.6 GB/s of peak theoretical bandwidth in dual-channel mode — enough to feed an entry-level or mid-range CPU without creating a memory bottleneck for everyday tasks, light gaming, and general productivity. The hand-sorted memory ICs give this kit modest overclocking headroom, and the Intel XMP 2.0 profile means reaching the rated 2666MHz speed is a single BIOS toggle rather than a manual timing exercise.

Physically, the Vengeance LPX stands just 34mm tall with its aluminum heatspreader, making it one of the most clearance-friendly DDR4 options on the market. It slides under tower coolers that would collide with taller RGB-equipped modules, and it's a natural fit for Mini-ITX and Micro-ATX builds where every millimeter counts. This kit is best suited for budget system builders, HTPC projects, or anyone assembling a basic workstation where 8GB covers the workload. For gaming rigs or content-creation machines, most users will want to target 16GB or more — but as an affordable, reliable foundation with room to overclock, the Vengeance LPX at this speed grade remains a proven workhorse.

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

Capacity

8GB (2 x 4GB)

Memory Type

DDR4

Speed

2666MHz (PC4-21300)

CAS Latency

C16

Form Factor

288-pin DIMM

Height

34mm

Heat Spreader

Aluminum

XMP Support

Intel XMP 2.0

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

Corsair, "Vengeance LPX 3200MHz product page," corsair.com (accessed 2026-05-18)
AMD, "Ryzen memory documentation and supported DDR4 speeds," amd.com (accessed 2026-05-18)
Tom's Hardware, "DDR4 3200 memory comparison and benchmarks," tomshardware.com (accessed 2026-05-18)
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?

View on Amazon

Pros & Cons

👍 Pros

The 34mm low-profile design clears even oversized tower coolers and fits compact ITX cases without interference
Intel XMP 2.0 support enables one-click setup to the rated 2666MHz speed with no manual BIOS tuning required
Hand-sorted ICs and a high-quality PCB provide reliable overclocking headroom beyond the rated frequency
The aluminum heatspreader keeps modules cool under sustained load, maintaining stable clocks during stress tests
Broad Intel and AMD DDR4 motherboard compatibility reduces the risk of pairing issues

👎 Cons

Total capacity of 8GB (2x4GB) is increasingly insufficient for modern gaming and heavy multitasking workloads
DDR4-2666 speed sits at the lower end of the DDR4 range, leaving performance on the table for Ryzen CPUs that benefit from faster memory
Using both DIMM slots with 4GB sticks on a two-slot motherboard leaves no room for future expansion
C16 latency at 2666MHz is adequate but not competitive with tighter-timed kits at this speed class
DDR4 is a previous-generation standard with DDR5 now available on current platforms

Frequently Asked Questions

What is the kit configuration — is this one stick or two?

This is a dual-channel kit containing two 4GB modules for a total of 8GB. Running both sticks in the correct paired DIMM slots enables dual-channel mode, which roughly doubles memory bandwidth compared to a single stick.

Will this RAM work with my AMD Ryzen or Intel system?

Yes, Vengeance LPX is validated for broad compatibility across both Intel and AMD DDR4 platforms. It supports Intel XMP 2.0 for one-click overclocking on Intel boards, and AMD systems can typically apply the XMP profile or manually set 2666MHz timings in BIOS.

Is 8GB still enough for a modern PC build?

For basic productivity, web browsing, and light gaming, 8GB remains functional. However, modern games and multitasking workflows increasingly demand 16GB or more. This kit is best suited for budget builds, HTPCs, or systems where you plan to add a second 8GB kit later.

What is CAS Latency C16 and how does it affect performance?

CAS Latency 16 means the memory takes 16 clock cycles to begin delivering data after a request. At 2666MHz, C16 is a standard timing — not the tightest available, but it strikes a reasonable balance between cost and responsiveness for this speed grade.

Will this fit under a large CPU tower cooler?

At just 34mm tall, the Vengeance LPX is specifically designed for clearance in tight builds. It fits comfortably under virtually all tower coolers and inside small-form-factor cases where taller RAM modules would conflict.