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Two black DDR4 DIMM modules side by side, 288-pin, no LEDs

Crucial

Crucial CT2K8G4DFS824A 16GB (2x8GB) DDR4-2400 desktop RAM

SKU CH-5VPY-496EX MPN CT2K8G4DFS824A

A 16 GB dual-channel kit of unbuffered DDR4-2400 DIMMs with CL17 timings at 1.20 V

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 2400 (PC4 19200)
  • CAS latencyCL17
  • Tested speed2400 MHz
  • Memory timings11-11-11-36
  • Tested timing17
  • Boost system responsiveness with 16GB dual-channel DDR4-2400
  • Cut power draw up to 40% at 1.20V operation
  • Enable faster burst access with 32% more bandwidth
  • Ready for Intel XMP 2.0 profiles for simple tuning
  • 100% factory tested unbuffered non-ECC modules for reliability

Crucial 16GB DDR4-2400 Kit

This Crucial CT2K8G4DFS824A kit delivers 16GB of desktop memory as two 8GB unbuffered DIMMs. It targets users who want a straightforward capacity boost for everyday multitasking and gaming. The modules operate at the standard 1.20V DDR4 voltage and carry Intel XMP 2.0 profiles for simple configuration.

DDR4-2400 Interface Limits

The DDR4-2400 interface caps transfer rates at 2400 MT/s, yielding a theoretical peak bandwidth of PC4-19200. JEDEC base speeds start at 2133 MT/s, so this kit runs at the upper mainstream tier of the standard. Latency is specified as CL17 with 11-11-11-36 timings and a 30ns tRAC. No higher DDR4 speeds or tighter timings are guaranteed by the specification.

16GB Capacity Headroom

Sixteen gigabytes across two ranks handles typical productivity workloads, modern games and moderate content creation without paging. Heavy virtualisation, large video timelines or memory-bound rendering can exceed this headroom, at which point the system falls back to slower storage. The kit is 100% factory tested and backed by free technical support for installation questions.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $137.99
Pricier than about 59% of the 3,647 comparable items (median $90.99).
Total capacity 16 GB (2 × 8 GB)
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $8.62 per GB
Pricier than about 61% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameCrucial
Product lineVengeance
Model nameCT2K8G4DFS824A
Part numberCT2K8G4DFS824A
Total capacity16 GB (2 × 8 GB)
Product type288-Pin PC RAM
Product colorBlack
Performance
Rated speedDDR4 2400 (PC4 19200)
Memory
CAS latencyCL17
Tested speed2400 MHz
Memory timings11-11-11-36
Tested timing17
ECC supportNo
Buffer typeUnbuffered
Memory profilesIntel XMP 2.0
Power
Rated voltage1.2 V
Size & build
Shipping weight0.06 kg
Package size175 × 56 × 30 mm
Compatibility
Recommended forHigh Performance or Gaming Memory
More details
TRAC30ns
LED lightingNone

Questions about this item

Which capacity kit should I choose for a typical desktop upgrade?

This kit provides 16GB total capacity using two 8GB modules, giving you dual-channel performance on most desktop motherboards with four DIMM slots.

What does the 2400 MHz rating mean for actual system speed?

The modules run at 2400 MHz with CL17 latency, delivering PC4-19200 bandwidth; real-world throughput depends on your CPU's memory controller and motherboard capabilities.

How does the DDR4-2400 interface limit performance in practice?

The DDR4 interface caps data rate at 2400 MT/s and operates at 1.20V; XMP 2.0 profiles allow the rated speed, but the platform cannot exceed this DDR4 generation's limits.

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