HyperX HX421C14FB/4 Fury Black Series 4 GB 2133 MHz DDR4 CL14 DIMM Memory Module (Sky Lake Compatible), Black
46% dearer per GB than the average 4GB DDR4 kit we track.
Specification
| Capacity | 4GB |
| Generation | DDR4 |
| Speed | 2133MHz |
| Form factor | DIMM |
| For | Desktop |
| Brand | HyperX |
| ASIN | B00TY6A2Z4 |
Price history
Typical price (median) 90-day £60.00 12-month £60.00 12-month low £30.00 All-time low £3.79 (2017-06-19)
Dear for the market Today’s price is 0% above this kit’s typical price for the past year, and it has been cheaper than this for 10% of that year (last on 30 Jan 2026). At £15.00/GB it is dear against the £8.22/GB typical for DDR4 today. Why medians, not averages ›
30-day avg £60.0090-day avg £59.99180-day avg £59.99 (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 | |
|---|---|---|---|---|---|---|---|---|---|
 | £7.29best £/GB | £29.16▼ 16% | 4GB | OLOy | Desktop | DDR4 | DIMM 2400MHz | Unbuffered | |
 | £7.50 | £30.00 | 4GB | GLOBAL MEMORY | Desktop | DDR4 | DIMM 2133MHz | - | |
 | £7.50 | £30.00 | 4GB | GLOBAL MEMORY | Desktop | DDR4 | DIMM 2400MHz | - | |
 | £7.50 | £30.00 | 4GB | GLOBAL MEMORY | Desktop | DDR4 | DIMM 2666MHz | - | |
 | £7.50 | £30.00 | 4GB | GLOBAL MEMORY | Desktop | DDR4 | DIMM 3200MHz | - | |
 | £8.02 | £32.07 | 4GB | ADATA | Desktop | DDR4 | DIMM | Unbuffered |
About this kit
- Automatic overclocking - reach faster speeds and higher capacities just by installing the memory, no adjustments in BIOS needed
- Design - low profile, black heat spreader colour and matching PCB as well as plug and play functionality
- Reliable - 100% factory tested
- Compatible - tested with most of the brands of motherboards
- Guaranteed - lifetime warranty, free technical support
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