Crucial CT8G4DFD824A 8GB DDR4 2400MHz Desktop Memory

Name: Crucial CT8G4DFD824A 8GB DDR4 2400MHz Desktop Memory
Brand: Crucial
SKU: CT8G4DFD824A

Overview

The Crucial CT8G4DFD824A is a straightforward 8GB DDR4-2400 DIMM built for mainstream desktop platforms. At 2400 MT/s with a PC4-19200 bandwidth rating, it delivers a meaningful step up from DDR3 both in raw throughput — bandwidth increases up to 32% — and in power efficiency, drawing up to 40% less power than equivalent DDR3 modules. The 288-pin unbuffered form factor is the standard for consumer desktops, and the module's dual-rank, x8 architecture means it works cleanly across Intel and AMD platforms without requiring any special BIOS configuration. You install it, POST, and it runs at spec.

This module is best suited to builds where budget and reliability are the primary concerns: office workstations, home PCs, media centers, and entry-level gaming rigs where the CPU and GPU are the real performance levers. The 8GB capacity handles Windows 11, a productivity suite, and moderate browser load without swapping to disk. For users who need more headroom, two of these modules in dual-channel configuration gives you 16GB at full dual-channel bandwidth — a configuration that will serve most users comfortably for several years. Crucial's Micron-backed manufacturing is a reliability differentiator at this price tier, making this a safe default choice for builders who want solid memory without the complexity of tuning.

Key Features

Speeds start at 2400 MT/s and faster data rates are expected to be available as DDR4 technology matures

Increase bandwidth by up to 32%

Reduce power consumption by up to 40%

Faster burst access speeds for improved sequential data throughput

Dual Ranked, x8 based, Unbuffered DIMM

Specifications

Capacity

8GB

Memory Type

DDR4

Speed

2400 MT/s (PC4-19200)

Latency

CL17

Form Factor

DIMM

Pin Count

288-pin

Configuration

Dual Ranked, x8 based, Unbuffered

Model Number

CT8G4DFD824A

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Pros & Cons

👍 Pros

Runs at rated 2400 MT/s speed out of the box on any DDR4 motherboard — no BIOS tuning or XMP profiles required for stable operation.
The 8GB capacity handles everyday multitasking, web browsing, office workloads, and light gaming without bottlenecking modern CPUs.
DDR4's 40% reduction in power consumption versus DDR3 translates to lower heat output and reduced stress on the memory controller in budget builds.
288-pin DIMM form factor is compatible with all current Intel and AMD mainstream desktop platforms that support DDR4.
Dual-rank configuration can offer a modest performance edge over single-rank modules in bandwidth-sensitive tasks when the rest of the system can use it.

👎 Cons

CL17 latency is on the looser end of the DDR4-2400 spec — kits from competing brands at the same speed often ship with CL15 or CL16 timings for better responsiveness.
8GB is sufficient for light use today but will feel constrained if you run virtual machines, keep dozens of browser tabs open, or do any video editing.
No heatspreader is included, which is typical at this capacity and speed but worth noting if you're building in a system with limited airflow.
This is non-ECC memory and is not suitable for server or professional workstation builds that require error correction.

Frequently Asked Questions

Will this module work in a dual-channel configuration if I add a second stick?

Yes — pairing two CT8G4DFD824A modules in matching slots activates dual-channel mode on compatible motherboards, effectively doubling the memory bandwidth and improving performance in bandwidth-sensitive workloads like video encoding and gaming. Check your motherboard manual for the correct slot pairing.

What does "Dual Ranked, x8 based" mean for compatibility?

Dual-ranked means the module is organized as two logical ranks of memory chips, which can slightly improve performance under heavy load compared to single-ranked modules. x8 refers to the chip width. Most Intel and AMD mainstream platforms handle dual-rank DDR4 without issue, but check your motherboard's QVL (Qualified Vendor List) if you're running four sticks total, as some boards have limitations with four dual-rank modules.

Does this RAM run at 2400 MT/s by default, or does it need XMP enabled?

It runs at 2400 MT/s by default — no XMP profile is required. It will train to 2400 automatically on any DDR4-compatible motherboard without any BIOS changes.

Is this ECC or non-ECC memory?

This is non-ECC, unbuffered DIMM memory. It is not suitable for workstations or servers that require error-correcting memory. It is designed for standard consumer desktop platforms.

What is the rated latency and what does CL17 mean in practice?

CL17 means there is a 17-cycle delay between a memory request and the first data being available. At 2400 MT/s, that translates to approximately 14.2 nanoseconds of latency — acceptable for everyday productivity and gaming, though tighter-latency kits (CL14–CL16) at the same speed will show marginal gains in latency-sensitive benchmarks.