G.SKILL
Ripjaws S5 Series DDR5 RAM (Intel XMP 3.0) 64GB (2x32GB) 6400MT/s CL32-39-39-102 1.40V Desktop Computer Memory U-DIMM - Matte Black (F5-6400J3239G32GX2-RS5K)
*Price sourced from Amazon.com. Last updated 2026-06-09. Price and availability subject to change.
Bottom line: The Ripjaws S5 Series DDR5 RAM (Intel XMP 3.0) 64GB (2x32GB) 6400MT/s CL32-39-39-102 1.40V Desktop Computer Memory U-DIMM - Matte Black (F5-6400J3239G32GX2-RS5K) is a niche pick — read recent reviews before buying in the memory (ram) category, priced around $999.99. Read recent reviews carefully before committing.
SpecPicks Verdict
SpecPicks classifies G.SKILL Ripjaws S5 Series DDR5 RAM (Intel XMP 3.0) 64GB (2x32GB)… as a niche pick — read recent reviews before buying in the memory (ram) category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. G.SKILL's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for memory (ram) of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ G.SKILL Ripjaws S5 Series DDR5 U-DIMM Memory Kit, Model: F5-6400J3239G32GX2-RS5K
- ✓ Backed by G.SKILL's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- G.SKILL Ripjaws S5 Series DDR5 U-DIMM Memory Kit, Model: F5-6400J3239G32GX2-RS5K
- 64GB total capacity kit containing 2x32GB modules, rated for up to DDR5-6400 CL32-39-39-102 at 1.40V
- Non-ECC, DDR5 U-DIMM, 288-pin, for Desktop PC & Gaming
- Includes JEDEC default profile, and Intel XMP 3.0 memory overclock profile
- Do not mix memory kits. Memory kits are sold in matched kits that are designed to run together as a set. Mixing memory kits will result in stability issues or system failure.
- For Intel Z890, Intel Z790, Intel B760 platforms. Refer to G.SKILL memory QVL or RAM Configurator tool on the G.SKILL website for more details on validated motherboard and hardware.
Full Specifications
| Brand | G.SKILL |
|---|---|
| Voltage | 1.4 Volts |
| RAM Size | 64 GB |
| Model Name | RipJaws S5 |
| Form Factor | DIMM |
| Memory Speed | 6400 MT/s |
| Model Number | F5-6400J3239G32GX2-RS5K |
| Compatibility | PC |
| Item Type Name | DDR5 SDRAM Intel XMP |
| Number of Pins | 288 |
| Mfr Part Number | F5-6400J3239G32GX2-RS5K |
| Memory Generation | DDR5 |
| Compatible Devices | Desktop |
| Data Transfer Rate | 6400 MHz |
Ready to buy?
G.SKILL Ripjaws S5 Series DDR5 RAM (Intel XMP 3.0) 64GB (2x32GB) 6400MT/s CL32-39-39-102 1.40V Desktop Computer Memory U-DIMM - Matte Black (F5-6400J3239G32GX2-RS5K) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-06-09. Price and availability subject to change.
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