KLEVV

KLEVV BOLT XR KD4AGU880-36A180C

Expert rating7.6 / 10

Capacity:: 32GB (2x16GB)
Speed:: 3600MT/s
CAS Latency:: CL18
RGB Lighting:: Yes

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Manufacturer: KLEVV Last updated: 2026-09-12

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KLEVV BOLT XR KD4AGU880-36A180C Review

For DDR4 platforms still looking for a genuinely fast kit, the KLEVV BOLT XR DDR4-3600 32GB CL18 kit (KD4AGU880-36A180C) is one of the better-tuned high-end DDR4 options still on the market.

3600MT/s CL18 is close to the ceiling of what makes sense on DDR4 platforms, especially on Ryzen where memory speed and Infinity Fabric clock are tightly linked, this is the kind of kit that actually shows a measurable frame-rate improvement over slower DDR4-3200 kits in AMD systems.

Why 3600MT/s Matters on AMD DDR4 Platforms

Ryzen's Infinity Fabric historically runs 1:1 with memory clock up to around 3600-3733MT/s before you have to start decoupling it; a 3600MT/s CL18 kit like this hits that ceiling cleanly, which is why it remained a popular late-life upgrade for AM4 systems.

Comparison to Alternatives

Against Silicon Power's SP032GXLZU320BDD (32GB, DDR4-3200, CL16), KLEVV's kit runs a meaningfully higher clock at a still-reasonable CL18, generally a better real-world performer on Ryzen despite the higher CAS number, since Infinity Fabric benefits more from clock than tight latency in this range.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Expert rating7.6 / 10

A genuinely strong late-life DDR4 kit that hits the Infinity Fabric sweet spot on Ryzen, still relevant for anyone not ready to move to DDR5.

Best for

AM4 Ryzen builds tuning for the 1:1 Infinity Fabric ceiling
RGB-themed late-life DDR4 upgrades

Not for

DDR5 motherboards (wrong generation)
Intel platforms where the fabric-clock benefit doesn't apply
Budget builds where DDR4-3200 is already sufficient

Specifications

What these specs mean

Speed Score

8.5/10

How fast this kit is among DDR4 kits, rated from its speed and latency.

Identity

Peak Bandwidth	57.6 GB/s
Brand	Klevv
Part Number	KD4AGU880-36A180C
Series	BOLT XR

Memory

DDR Generation	DDR4
Capacity	32 GB
Speed	3600MT/s (PC4-28800)
CAS Latency	18
Module Count	2
Voltage	1.35 V

Physical

RGB Lighting	Yes

Module and platform

RAM Segment	Desktop DDR4
Form Factor	Desktop DIMM

Capacity

Capacity Per Module	16 GB

Speed and timings

True Latency	10.0 ns

Overclocking profile

XMP Support	Yes
XMP Version	XMP 2.0
EXPO Support	No

Silicon

Memory IC	SK Hynix
ECC	No

Physical and lighting

Module Height	37 mm
Colour	Black

Commercial

Warranty	Limited Lifetime

FAQs

What are the key specifications of the KLEVV BOLT XR KD4AGU880-36A180C (32GB 2x16GB Kit/DDR4 3600MHz/CL18/RGB/Intel XMP 2.0)?

Key specs for the KLEVV BOLT XR KD4AGU880-36A180C: Capacity Per Module 16 GB, Capacity 32 GB, Speed 3600MT/s (PC4-28800), OC Profile XMP 2.0, Voltage 1.35 V, DDR Generation DDR4.

Will the KLEVV BOLT XR KD4AGU880-36A180C (32GB 2x16GB Kit/DDR4 3600MHz/CL18/RGB/Intel XMP 2.0) work with my current setup?

The KLEVV BOLT XR KD4AGU880-36A180C (32GB 2x16GB Kit/DDR4 3600MHz/CL18/RGB/Intel XMP 2.0) lists DDR Generation is DDR4. 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.

What are the drawbacks of the KLEVV BOLT XR KD4AGU880-36A180C (32GB 2x16GB Kit/DDR4 3600MHz/CL18/RGB/Intel XMP 2.0)?

Not the best fit for: DDR5 motherboards (wrong generation); Intel platforms where the fabric-clock benefit doesn't apply; Budget builds where DDR4-3200 is already sufficient.