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FANCase Fans·Thermaltake

Thermaltake TL-B12

4.3
Shed ScoreEditorial rating out of 5, based on specs, build quality and value in its class.
  • Strong static pressure
  • Vivid 16-LED RGB
  • Quiet daisy-chain design

The Thermaltake TL-B12 is a dependable 120mm RGB case fan that balances aesthetics with solid static pressure performance, making it a great choice for radiator setups or restrictive airflow cases.

  • Fan Size120mm
  • Bearing TypeHydraulic Bearing
  • Max Static Pressure2.3 mmH2O

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// Datasheet

Technical specifications

TL-B12-FAN5 fields
Fan Size120mm
Bearing TypeHydraulic Bearing
Max Static Pressure2.3 mmH2O
Noise Level24.6 dBA
Fan Speed500-1500 RPM

// Verdict

Our take

4.3

The Thermaltake TL-B12 is a dependable 120mm RGB case fan that balances aesthetics with solid static pressure performance, making it a great choice for radiator setups or restrictive airflow cases. While it requires some additional hardware for full lighting control, its quiet operation and build quality make it a worthwhile pick for builders wanting both style and function.

// Trade-offs

Pros and cons

+What we like

  • Vivid, smooth RGB lighting with interchangeable rings
  • Quiet operation even at higher RPMs
  • Strong static pressure good for radiators and restrictive cases
  • Easy daisy-chaining reduces cable clutter
  • Solid build quality typical of Thermaltake fans

−Watch out for

  • Requires separate controller or compatible motherboard header for full RGB sync
  • Only comes in 3-fan or single packs, limited standalone options
  • LED ring swapping can feel fragile if not careful
  • Airflow is slightly lower compared to pure airflow-focused fans

// Feature set

Key features

  • 01120mm hydraulic bearing fan
  • 0216 individually addressable LEDs with swappable rings
  • 03High static pressure design up to 2.3 mmH2O
  • 049 fan blade design for balanced airflow and pressure
  • 05Daisy-chain connectivity up to 5 fans
  • 06Sync with motherboard RGB software (ASUS Aura, MSI Mystic Light, Gigabyte RGB Fusion)

// Long read

Full review

The Thermaltake TL B12 is a 120mm case fan designed to deliver a clean aesthetic alongside dependable airflow for mid-range and high-end PC builds. It features sixteen addressable LEDs embedded within a nine-blade design, producing a smooth halo-style lighting effect that syncs with major motherboard ecosystems like ASUS Aura Sync, MSI Mystic Light, Gigabyte RGB Fusion, and ASRock Polychrome Sync. The fan's frame uses a hydraulic bearing rated for extended lifespan, and its blade geometry is engineered to balance airflow and static pressure, making it versatile enough for use as an intake, exhaust, or radiator-mounted fan in liquid cooling loops.

Performance-wise, the TL B12 spins up to 1500 RPM, pushing air at roughly 54.48 CFM while maintaining a noise level around 24.6 dBA, which keeps it relatively quiet for everyday computing and gaming sessions. It connects via a 4-pin PWM header for fan speed control and uses a separate 3-pin or controller-based connection for the lighting, depending on whether you pair it with Thermaltake's own TT RGB Plus ecosystem or a motherboard's onboard header. The fan ships with rubber corner pads to dampen vibration and reduce case resonance, a small but meaningful touch for builders who prioritize low-noise operation without sacrificing cooling output.

Visually, the TL B12 is built to be a centerpiece rather than a hidden component, with its ring-style RGB lighting designed to look striking whether mounted on a front intake panel, a radiator, or as a rear exhaust fan behind a tempered glass side panel. Many builders purchase the TL B12 in multi-packs to create a uniform lighting pattern across several case mounting points, and Thermaltake also offers compatible fan hubs and controllers to simplify cable management when using multiple units. Overall, the TL B12 fits well into the case fan category for users who want synchronized RGB lighting, solid airflow performance, and straightforward PWM control in a budget-friendly 120mm package.

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