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Manufacturer: Kingston Last updated: 2026-09-14
Kingston KF556C40-32 32GB Review
Kingston KF556C40-32 is a 32GB DDR5-5600 CL40 FURY Beast Black desktop memory module.
A single 32GB stick at DDR5-5600 CL40, a budget-friendly capacity-focused option for builds that want a large single module rather than a tighter-timed dual-channel kit.
Performance
DDR5-5600 CL40 is FURY Beast's mainstream mid-tier speed grade, prioritizing capacity and price over the tightest available latency.
Compatibility
Standard non-ECC desktop UDIMM, black heatspreader, no RGB. Runs in any DDR5 desktop board at DDR5-5600.
Comparison to Alternatives
Against the Kingston FURY Beast KF556C36-32 (same DDR5-5600, tighter CL36) also in this catalog, that part offers lower latency at a similar price. Against the Kingston ValueRAM CBD56U46BD8HA-32 (DDR5-5600 CL46) also in this catalog, this FURY Beast part has meaningfully tighter documented CL40 timing.
Specifications
Identity
| Brand | Kingston |
|---|---|
| Part Number | KF556C40-32 |
| Series | FURY Beast |
Memory
| DDR Generation | DDR5 |
|---|---|
| Capacity | 32 GB |
| Speed | 5600 MT/s |
| CAS Latency | 40 |
| Module Count | 1 |
Physical
| Form Factor | Desktop DIMM |
|---|---|
| RGB Lighting | No |
Module and platform
| RAM Segment | Desktop DDR5 |
|---|
Capacity
| Capacity Per Module | 32 GB |
|---|
Silicon
| Memory IC | Undisclosed |
|---|
Physical and lighting
| Colour | Black |
|---|
| Equivalent Retail SKU | KF556C40BB-32 |
|---|---|
| Platform Sweet Spot | AM5 |
| Spec Score | 3.5 |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Single-module 32GB capacity builds on a budget
- Content-creation or multitasking rigs prioritizing capacity
- General desktop upgrades
Not for
- Buyers chasing the tightest available CL36 timing at this speed
FAQs
What are the key specifications of the Kingston KF556C40-32 32GB?
The Kingston KF556C40-32 32GB is a memory kit from Kingston. Key specs: Equivalent Retail SKU KF556C40BB-32, DDR Generation DDR5, Capacity 32GB, Speed 5600MT/s, CAS Latency 40.
Will the Kingston KF556C40-32 32GB work with my current setup?
The Kingston KF556C40-32 32GB lists DDR Generation is DDR5. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits. Our upgrade checker at /upgrade can confirm compatibility for common combinations.
Who is the Kingston KF556C40-32 32GB best suited to?
It suits single-module 32gb capacity builds on a budget, content-creation or multitasking rigs prioritizing capacity, general desktop upgrades.
What are the drawbacks of the Kingston KF556C40-32 32GB?
It is a poor fit for buyers chasing the tightest available cl36 timing at this speed.