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Quick answer: Both are budget tenkeyless gaming keyboards with quiet keys and RGB. The Apex 3 TKL (about $24) lists IP32 resistance and a volume roller; the K55 CORE TKL (about $35) lists 300 mL spill resistance and 1,000 Hz polling with 12-key rollover.
This comparison is built from the product listings on Amazon, not our own testing. Prices were as listed on October 30, 2026 and change. Confirm details on the product pages.
Last updated: October 30, 2026.
At a Glance
| Feature | SteelSeries Apex 3 TKL | Corsair K55 CORE TKL |
|---|---|---|
| Listed price (Oct 30, 2026) | About $24 | About $35 |
| Layout | TKL | TKL |
| Switches | Whisper-quiet gaming switches | Quiet membrane keys |
| Water resistance | IP32 water and dust | 300 mL spill resistance |
| RGB | 8-zone PrismSync | 8-zone RGB |
| Controls | Clickable volume roller and media keys | Four media buttons |
| Polling and rollover | Not stated | 1,000 Hz, 12-key rollover |
Key Differences
Price
The Apex 3 TKL is about $11 cheaper.
Protection
Each lists a different resistance rating.
Controls
The Apex has a volume roller; the K55 has four media buttons.
Which Should You Choose?
Choose the SteelSeries Apex 3 TKL if
you want the lowest price from a known brand.
Choose the Corsair K55 CORE TKL if
you want a larger spill-resistance claim and a listed polling rate.
Are they mechanical?
No, both use quiet non-mechanical switches.
Which is better for FPS?
Both are TKL; compare feel and price.
Bottom Line
Choose the Apex 3 TKL for price, the K55 CORE TKL for spill resistance and polling. See best TKL gaming keyboards.