
G.SKILL Ripjaws S5 Series DDR5 RAM (Intel XMP 3.0 & AMD Expo) 64GB (2x32GB) 6000MT/s CL36-36-36-96 1.35V Desktop Computer Memory U-DIMM - Matte Black (F5-6000J3636F32GX2-RS5K)
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AI Verdict
This is a 64GB (2x32GB) DDR5-6000MT/s CL36 RAM kit with Intel XMP 3.0 and AMD EXPO profiles, designed for high-performance desktop systems needing substantial memory capacity.
This 64GB DDR5-6000 CL36 kit is a strong fit for high-end desktop users who need substantial memory capacity and fast speeds for demanding tasks like content creation or gaming. Its dual XMP/EXPO profiles simplify setup on both Intel and AMD platforms, and the 33mm low-profile design helps with cooler clearance.
If you're pushing for absolute top-tier performance in competitive benchmarking, look for kits with even tighter CL timings (e.g., CL30) at similar speeds.
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Pros
- 64GB total capacity (2x32GB modules) handles demanding applications and multitasking.
- 6000MT/s speed provides fast data processing for gaming and content creation.
- CL36-36-36-96 timings offer a balanced latency profile for DDR5 performance.
- Includes both Intel XMP 3.0 and AMD EXPO profiles for simplified overclocking on compatible platforms.
- Operates at 1.35V, contributing to energy efficiency and reduced heat output compared to some older generations.
- Low-profile 33mm heatspreaders ensure compatibility with compact PC builds and large CPU coolers.
Cons
- Mixing memory kits, even identical ones purchased separately, can lead to stability issues or system failure.
- Requires a motherboard and CPU that explicitly support DDR5 memory and the specified speeds.
- Achieving advertised speeds relies on enabling XMP or EXPO profiles in the BIOS, which isn't always a guaranteed one-click process for every system.
- Users must verify motherboard compatibility with G.SKILL's QVL (Qualified Vendor List) to ensure optimal performance and stability.
Dimension Scores
The 6000MT/s speed combined with CL36 timings represents a strong performance point for DDR5, offering a noticeable upgrade over slower kits.
Dual Intel XMP 3.0 and AMD EXPO profiles provide broad compatibility with current-generation platforms, but the strict 'do not mix' rule and QVL requirement are real-world limitations.
While XMP/EXPO simplify achieving the rated 6000MT/s, they are pre-set profiles. The kit is engineered for high-speed performance, suggesting potential for further manual tuning, but it's not explicitly marketed for extreme overclocking beyond the profiles.
G.SKILL states rigorous validation tests and hand-screened ICs for quality, but the 'do not mix memory kits' warning highlights a specific vulnerability if users deviate from the intended setup.
Best For
- Desktop systems running memory-intensive applications like video editing or 3D rendering.
- Gamers seeking high frame rates and smooth performance in modern titles.
- PC builders with compact cases or large air coolers needing low-profile RAM clearance.
- Users with Intel Z690/Z790/Z890 or AMD X670/X870/B650/B850 platforms looking for optimized DDR5 performance.
Not Recommended For
- Budget-constrained builds where DDR4 might offer better value for the performance tier.
- Users who prefer to manually tune memory timings extensively rather than relying on XMP/EXPO profiles.
- Systems with older motherboards that only support DDR4 memory.
Watch Out For
- You absolutely cannot mix this memory kit with other kits; G.SKILL states this will result in stability issues or system failure.
- You need to check your motherboard's QVL (Qualified Vendor List) on G.SKILL's website to confirm compatibility and avoid potential stability problems, especially with early DDR5 platforms.
- While XMP/EXPO profiles are included, reaching the rated 6000MT/s speed depends on your motherboard and CPU's capability, and might require BIOS updates for early DDR5 platforms.
Full Specifications
| RAM | 64 GB DDR5 |
| ASIN | B0C6HWKGWV |
| Brand | G.SKILL |
| Color | Matte Black |
| Series | RipJaws S5 |
| Voltage | 1.35 Volts |
| Item Weight | 2.54 ounces |
| Manufacturer | G.SKILL |
| Memory Speed | 6000 MT/s |
| Item model number | F5-6000J3636F32GX2-RS5K |
| Compatible Devices | Desktop |
| Product Dimensions | 19.69 x 19.69 x 11.02 inches |
| Computer Memory Size | 64 GB |
| Computer Memory Type | DDR5 SDRAM |
| RAM Memory Technology | DDR5 |
| Item Dimensions LxWxH | 19.69 x 19.69 x 11.02 inches |
What Buyers Say
This G.SKILL Ripjaws S5 64GB DDR5 kit is a go-to for anyone building a high-performance desktop, especially if you're pushing for a lot of memory. Users consistently point to the 6000MT/s speed and CL36 timings as a sweet spot for DDR5, making it feel snappy in demanding applications and games. The low-profile design is a quiet win for builders struggling with large CPU coolers, which is a common headache. The biggest thing to watch out for, though, is the absolute necessity of sticking to a single, matched kit; trying to add more later, even identical sticks, is a recipe for instability.
“Dude, this RAM just *works* at 6000MT/s with XMP, no drama. My video renders are actually flying now, and it cleared my massive Noctua cooler with room to spare. Just don't even *think* about trying to add more sticks later, seriously, G.SKILL is not kidding about that 'matched kit' thing.”
Common Praise
- Achieves advertised 6000MT/s speeds easily with XMP/EXPO enabled.
- 64GB capacity handles heavy multitasking and professional workloads without slowdowns.
- Low-profile heatspreaders (33mm) fit well in tight builds and with large air coolers.
- Compatible with both Intel XMP 3.0 and AMD EXPO platforms, offering broad system support.
Common Complaints
- Strict warning against mixing memory kits, which can limit future upgrade paths if not planned carefully.
- Requires checking motherboard QVL for guaranteed compatibility, which can be an extra step for builders.
- Some users report general DDR5 platform instability with early BIOS versions, not specific to this RAM, but a factor for new builds.
Ownership Tips
- The 33mm low-profile design is genuinely helpful for CPU cooler clearance, preventing frustrating installation issues.
- Enabling XMP or EXPO in the BIOS is usually straightforward, but a quick check of your motherboard's QVL beforehand can save a lot of troubleshooting time.
- The 1.35V operation keeps temperatures manageable even under sustained load, which is a plus for system longevity.
- The matte black finish is understated and blends into most builds without drawing excessive attention.
Frequently Asked Questions
Is this RAM compatible with both Intel and AMD systems?
Yes, this G.SKILL Ripjaws S5 kit includes both Intel XMP 3.0 and AMD EXPO memory overclock profiles, making it compatible with a range of modern Intel and AMD DDR5 platforms.
How do I get the advertised 6000MT/s speed?
You need to enable the Intel XMP 3.0 or AMD EXPO profile in your motherboard's BIOS settings. The maximum memory speed and system stability depend on your specific motherboard and CPU.
Can I add more RAM later by buying another kit?
G.SKILL explicitly states not to mix memory kits, even if they are the same model. Memory kits are sold as matched sets designed to run together, and mixing them can cause stability issues or system failure.
What does 'CL36' mean?
CL36 refers to the CAS Latency, which is a measure of how many clock cycles it takes for the RAM to respond to a request. Lower CL numbers generally indicate faster response times, so CL36 at 6000MT/s is a balanced timing for DDR5.
Will this RAM fit under a large CPU cooler?
Yes, the Ripjaws S5 series features a compact, low-profile design with a height of just 33mm, making it an ideal choice for systems with large CPU coolers or in compact PC builds.
Buying Guide
When you're looking at RAM, you're basically buying speed and capacity for your computer's short-term memory. Think of it like your desk space: more GB means more programs and files can be open at once without slowing down. The 'MT/s' (megatransfers per second) is how fast that desk space can be accessed, and 'CL' (CAS Latency) is how quickly it responds to requests. For DDR5, 6000MT/s with CL36 is a sweet spot for performance without breaking the bank.
Capacity (64GB)
This is how much data your computer can actively work with at any given moment. 64GB is a lot, like having a huge workbench; it means you can run many demanding applications, edit large video files, or play games without your system constantly swapping data to slower storage.
Speed (6000MT/s)
This measures how many data transfers the RAM can perform per second. Faster speeds mean your CPU gets data quicker, which translates to smoother performance in everything from gaming to complex calculations. Think of it as the speed of the conveyor belt bringing tools to your workbench.
Latency (CL36)
CAS Latency is the delay between when the CPU requests data from the RAM and when the RAM actually starts sending it. Lower numbers are better. CL36 at 6000MT/s is a good balance, like a quick response time from your assistant when you ask for a tool.
XMP 3.0 & EXPO
These are pre-configured profiles that tell your motherboard how to run the RAM at its advertised speed and timings with a single setting change in the BIOS. Without them, your RAM might run at a much slower default speed. It's like having a 'performance mode' button for your memory.
Alternatives
If this kit is overkill, look for DDR5-6000 with 32GB capacity for a more budget-friendly option, or if you need even more raw speed for specific benchmarks, search for DDR5 kits with 6400MT/s or higher, often with slightly higher CL timings.



