
This Corsair 4000D RS ARGB case is 40% off at Amazon and matches its all-time low, plus is below its 90-day average of $91. Buy Now at Amazon
- Modular FRAME case system for customized builds
- 3x daisy-chainable RS ARGB PWM fans
- InfiniRail system for simplified fan installation
- Dual 360mm radiator support for optimal cooling
- Compatible with large GPUs and reverse connection motherboards

This three-pack of Corsair RS120-R ARGB fans is $34.99 in Black or White at Best Buy. That's a $5 low. My Best Buy members get free shipping on all orders (it's free to join). Buy Now at Best Buy

Get the Corsair Vengeance RGB 32GB DDR5-6400 Desktop Memory (White) for $400 at Newegg with promo code "MMSF268". Apply this coupon at checkout to receive the discount. This offer ends December 31, 2026. Buy Now at Newegg
- 32GB (2x16GB) DDR5-6400
- CL36 latency
- RGB lighting
- White heatspreader design
- Model: CMH32GX5M2N6400C36W

Builders putting together a high-wattage gaming or workstation rig will appreciate the fully modular cables for cleaner builds, and at $105 you're paying $85 (45%) less than the $190 list price. Buy Now at Amazon
- Fully modular cables for clutter-free system builds
- ATX 3.1 compliant with PCIe 5.1 power support
- 120mm rifle bearing fan for quiet operation
- 105°C-rated capacitors for reliable electrical performance
- Modern Standby for fast wake-from-sleep efficiency

Update: The price has changed to $25.65 since this was originally published.
Worth a look if your case has room for 140mm fans, since the magnetic levitation bearing tends to run quieter and last longer than standard rifle or ball bearings, and the RGB adds a bit of flair without needing a separate controller if your motherboard supports it. Buy Now at Amazon
- Magnetic levitation bearing for quiet, high-performance cooling
- Four independent ultra-bright RGB LEDs for vivid lighting
- Dynamic PWM control from 400 RPM to 1,200 RPM
- Five-year warranty ensures long-term reliability
- Expands existing ML140 PRO RGB fan kits

For PC builders upgrading airflow with iCUE Link's daisy-chain cabling, this two-pack cuts down on cable clutter compared to standard PWM fans, and it's priced at $60, about $18 below the $78 list price. Buy Now at Amazon
- 1,700 RPM fan speed with 95.7 CFM airflow
- 3.79mm-H2O static pressure for high-density radiators
- Connect fans seamlessly with single-cable iCUE LINK bridge
- Rigid liquid crystal polymer construction reduces blade vibration
- AirGuide technology concentrates cooling on hot components