G.SKILL Flare X5 Series DDR5 RAM (AMD EXPO) 32GB (2x16GB) up to 6400MT/s* CL32-39-39-102 1.40V Computer Memory U-DIMM - Matte Black (F5-6400J3239G16GX2-FX5)
24% dearer per GB than the average 32GB DDR5 kit we track.
Specification
| Capacity | 32GB (2x16GB) |
| Generation | DDR5 |
| Speed | 6400MHz |
| Form factor | DIMM |
| ECC | Non-ECC |
| For | Desktop |
| Brand | G.SKILL |
| ASIN | B0DD26RPXL |
Price history
Typical price (median) 90-day £778.61 12-month £774.59 12-month low £204.00 All-time low £105.36 (2024-10-01)
Not really a deal Today’s price is 2% above this kit’s typical price for the past year, and it has been cheaper than this for 96% of that year (last on 14 Sep 2026). Why medians, not averages ›
30-day avg £780.9090-day avg £754.40180-day avg £773.56 (averages are pulled up by price spikes; the medians above are the better guide)
Cheaper per GB in the same spec
Same generation, capacity and form factor as this kit, ranked by £/GB. See all ›
| £/GB | Price | Capacity | Manufacturer | For | Type | Form Factor | ECC / Buffered | Description | |
|---|---|---|---|---|---|---|---|---|---|
 | £11.56best £/GB | £369.99▼ 29% | 32GB | Transcend | Server | DDR5 | DIMM 5600MHz | ECC | |
 | £13.12 | £419.99 | 32GB (2x16GB) | Crucial | Desktop | DDR5 | DIMM 6000MHz | - | |
 | £13.31 | £425.99 | 32GB (2x16GB) | Lexar | Server | DDR5 | DIMM 6000MHz | ECCUnbuffered | |
 | £13.34 | £426.76 | 32GB | ByteFest | Server | DDR5 | DIMM 5200MHz | ECCUnbuffered | |
 | £13.44 | £429.99 | 32GB (2x16GB) | Netac | Desktop | DDR5 | DIMM 6400MHz | - | |
 | £13.44 | £429.99 | 32GB (2x16GB) | Corsair | Desktop | DDR5 | DIMM 5600MHz | - |
About this kit
- * Requires overclocking/BIOS settings. Maximum speed and performance depend on system components, including motherboard and CPU.
- G.SKILL Flare X5 Series DDR5 U-DIMM Memory Kit Model: F5-6400J3239G16GX2-FX5
- Non-ECC, DDR5 U-DIMM, 288-pin, for PC and Gaming
- Includes default JEDEC profile and AMD EXPO memory overclock profile
- Do not mix memory kits. Memory kits are sold in matching kits that are designed to work together as a set. Mixing memory kits will result in stability issues or system failures.
- For AMD X870, AMD X670, AMD B850, AMD B840, AMD B650 platforms. See the G.SKILL Memory QVL tool or RAM Configurator on the G.SKILL website for more details on validated motherboard and hardware.
- Use in any manner inconsistent with the manufacturer's specifications, warnings, designs or recommendations will result in lower speeds, system instability or damage to the system or its components.
- Memory kits will boot at JEDEC's default SPD speed to the default BIOS settings with compatible hardware.
Flare X5 series is a low-profile DDR5 memory designed for high performance on compatible DDR5-enabled AMD platforms, and supports AMD EXPO overclocking profiles to enable easy memory overclocking by simply enabling the EXPO profile in the BIOS with a compatible motherboard and processor. Featuring a 33mm low-profile height and built with hand-screened IC chips, the Flare X5 is an excellent choice for compact performance PC builds. Optimized for AMD Ryzen 7000 series processors or later 33mm Low-profile module height design AMD EXPO Support
As an Amazon Associate we earn from qualifying purchases. Price and availability shown are as of the last update and may change on Amazon.