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CORSAIR Vengeance DDR5 CUDIMM 48GB (2 x 24GB) DDR5 8400MHz CL40-52-52-135 1.40V Intel XMP iCUE Compatible Computer Memory – Silver (CMKC48GX5M2X8400C40)

CORSAIR Vengeance DDR5 CUDIMM 48GB (2 x 24GB) DDR5 8400MHz CL40-52-52-135 1.40V Intel XMP iCUE Compatible Computer Memory – Silver (CMKC48GX5M2X8400C40)

By , Hardware Editor · Verified 2026-09-07

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

$1395.00

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*Price sourced from Amazon.com. Price and availability subject to change.

Bottom line: The CORSAIR Vengeance DDR5 CUDIMM 48GB (2 x 24GB) DDR5 8400MHz CL40-52-52-135 1.40V Intel XMP iCUE Compatible Computer Memory – Silver (CMKC48GX5M2X8400C40) is a niche pick — read recent reviews before buying in the memory (ram) category, priced around $1395.00. Compare close alternatives before committing.

CORSAIR VENGEANCE DDR5 CUDIMM memory delivers ultra-high frequencies in a high-quality, compact module that enhances your system. Tightly-screened, high-frequency memory chips power your PC through faster processing, rendering, and buffering than ever before, with an onboard clock driver ensuring improved stability and signal integrity at ultra-high clock frequencies. CORSAIR iCUE software enables real-time frequency monitoring, onboard voltage regulation, and Intel performance profile customization. A distinctive solid aluminum heatspreader keeps your memory cool while ensuring wide…

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SpecPicks Verdict

SpecPicks scored CORSAIR Vengeance DDR5 CUDIMM 48GB (2 x 24GB) DDR5 8400MHz… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the memory (ram) category. Compare with similarly-priced alternatives in the memory (ram) category before committing. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for memory (ram) of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Compact Form-Factor: Low clearance ensures wide compatibility with nearly any DDR5 build
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • Do it All, and Do it Faster: As modern CPUs feature more and more cores, the unprecedented speed of DDR5 ensures your high-end CPU gets data quickly, enabling faster processing, rendering, and buffering than ever before
  • Onboard Clock Driver: Offers improved stability and signal integrity at ultra-high clock frequencies
  • Custom Intel XMP Performance Profiles: Customize and save your own XMP performance profiles via iCUE to tailor performance by app or task for greater efficiency
  • Compact Form-Factor: Low clearance ensures wide compatibility with nearly any DDR5 build
  • Compatibility: Intel 800 Series

Full Specifications

BrandCorsair
Voltage1.4 volts
RAM Size48 GB
Model NameCORSAIR VENGEANCE DDR5 CUDIMM
Unit Count2 Count
Form FactorDIMM
Memory Speed8400 MHz
Model NumberCMKC48GX5M2X8400C40
CompatibilityIntel 800 Series
Built-In MediaItem
Number of Pins288
Mfr Part NumberCMKC48GX5M2X8400C40
Memory GenerationDDR5
Compatible DevicesDesktop
Data Transfer Rate8400 MHz
Memory Form FactorDIMM
Additional FeaturesRegistered Memory
Compact Form-FactorLow clearance ensures wide compatibility with nearly any DDR5 build
Computer Memory Size48 GB
Onboard Clock DriverOffers improved stability and signal integrity at ultra-high clock frequencies

Ready to buy?

CORSAIR Vengeance DDR5 CUDIMM 48GB (2 x 24GB) DDR5 8400MHz CL40-52-52-135 1.40V Intel XMP iCUE Compatible Computer Memory – Silver (CMKC48GX5M2X8400C40) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price on Amazon →

*Price sourced from Amazon.com. Price and availability subject to change.

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CORSAIR Vengeance DDR5 CUDIMM 48GB (2 x 24GB) DDR5 8400MHz CL40-52-52-135 1.40V Intel XMP iCUE Compatible Computer Memory – Silver (CMKC48GX5M2X8400C40)
$1395.00
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