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Black 288-pin DDR5 DIMM module with low-profile heat spreader, 5.3 inches long

Kingston Technology Corp.

Kingston Technology Corp. KF556C40BB-8 8GB DDR5 5600 CL40 desktop RAM

SKU CH-WGJW-B03YB MPN KF556C40BB-8

Single 8 GB DDR5 module rated at 5600 MT/s with CL40 latency and Intel XMP 3.0 support

  • Capacity8GB
  • Type288-Pin PC RAM
  • SpeedDDR5 5600 (PC5 44800)
  • Voltage1.25
  • BIOS/Performance ProfileIntel XMP 3.0
  • 8 GB capacity for responsive multitasking with a single module
  • DDR5 5600 MT/s speed delivers high data throughput for demanding workloads
  • CL40 latency supports quick command response in everyday applications
  • 25 V operation improves efficiency compared to higher-voltage alternatives
  • Intel XMP 3.0 profile enables one-click overclocking on compatible motherboards

8GB DDR5-5600 Desktop Module

This single 8GB DIMM delivers DDR5 performance at 5600MT/s for mainstream desktop builds and upgrades. It suits users who need a straightforward capacity increase without multi-module kits.

Thermals and Power at Stock Settings

Operating at the standard 1.25V, the unbuffered module runs within JEDEC limits for typical workloads. No extra cooling or voltage headroom is required for the rated 5600MT/s speed.

Intel XMP 3.0 Profile Decides Fit

The kit includes a certified XMP 3.0 profile at CL40 for one-click configuration on compatible Intel 600-series motherboards. Builders without XMP 3.0 support must run at base JEDEC timings instead.

Highlights

  • 8 GB capacity for responsive multitasking with a single module
  • DDR5 5600 MT/s speed delivers high data throughput for demanding workloads
  • CL40 latency supports quick command response in everyday applications
  • 25 V operation improves efficiency compared to higher-voltage alternatives
  • Intel XMP 3.0 profile enables one-click overclocking on compatible motherboards

Specifications

BrandKingston
Capacity8GB
Type288-Pin PC RAM
SpeedDDR5 5600 (PC5 44800)
Voltage1.25
BIOS/Performance ProfileIntel XMP 3.0
Shipping weight0.02 kg
Package size127 × 76 × 13 mm

Questions about this item

How do I install this 288-pin DDR5 DIMM and which step is often missed?

Align the notch on the module with the slot key, press down firmly until both retention clips click, then enable the Intel XMP 3.0 profile in BIOS so the memory runs at 5600 MT/s instead of the default JEDEC speed.

What maintenance or replacement will this 8GB DDR5 module need over time?

No routine maintenance is required; keep the contacts clean and ensure case airflow stays adequate. If capacity becomes limiting, add a matching 8GB module rather than mixing speeds or latencies.

What limit appears first when this CL40 5600 MT/s kit runs sustained workloads?

The CAS latency of CL40 at 1.25 V sets the timing floor; prolonged heavy use may hit thermal throttling before bandwidth limits, so maintain good airflow around the 5.3-inch DIMM.

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