The GRAM Spectrum features the innovative Tesoro Agile key switch in an optimized, low-profile design. The rapid reacting Tesoro Agile key switch offers precise keystroke, fast response and accurate actuation. Housed in a semi-translucent enclosure and capped with a low-profile key, the Tesoro Agile key switches let the light shine through for brilliantly beautiful RGB lighting. The GRAM Spectrum combines peak performance with unmatched design allowing you to Dominate in Style.

Gram Spectrum reviews in eTeknix!

“The Tesoro Gram Spectrum is a formidable weapon for those who want a slick and fast keyboard with lightning fast responses. ”

Durandal Ultimate in techporn!

“Build quality is second to none. I have said it earlier: The Durandal Ultimate is built like a tank.”

Excalibur in PC Game Ware!

“There’s no doubt that the Tesoro Excalibur is a good mechanical keyboard and the Kailh based switch (Blue in this case) works well.”

Lobera Spectrum in KitGuru!

” It is clear that Tesoro has been hard at work on perfecting its RGB functionality, which has improved leaps and bounds.”

Lighting, Enhanced

The GRAM Spectrum has you covered when it comes to lighting with 16.8 million customizable color options. With versatile lighting effects user can utilize nine different lighting modes including breathing, wave, and macro lighting.

All Keys Fully Programmable

Full Customization

All gamers are not created equal. With all keys being fully programmable you can adjust to your needs so you can have it your way.

Individual Key Illumination

Each of the keys of the GRAM Spectrum are individually customizable featuring an LED in each switch housing allowing you to show off your colors.

Engineered for Optimization

We set out to create the fastest mechanical keyboard without compromising the tactile feel. The GRAM Spectrum offers this in a sleek, stylish format with low-profile, double injection keycaps.

Innovative Tesoro Agile Switch

Optimized Low-profile Design

Full N-Key / 6-Key
Rollover Options

As a zero ghosting mechanical keyboard, the GRAM Spectrum ensures that no key strike will be missed.

Cable Convenience

With a detachable cable, the GRAM Spectrum makes for a great travel companion meaning you can bring it where the game may be.

32bit Arm
Cortex Processor

The brains of keyboard offers zero lag and 100% performance. Stay rest assured that the GRAM Spectrum will register every keystroke, no matter how chaotic the game gets.

512 KB
Onboard Memory

With processing power and onboard memory at hand, create and save the most extreme macros to dominate in gameplay.

Jazz Up Your Board

Easily apply a creative magnetic overlay design to your GRAM Spectrum to instantly mod your GRAM
Spectrum Mechanical Keyboard!


  • Optimized Low-profile Design
  • 50 Million Reliable Keystrokes
  • 32bit ARM Cortex Processor
  • 1000 Hz Ultra Polling Rate
  • 512KB Onboard Memory
  • Double-injection keycaps (104 keyboard only)
  • All Keys Fully Programmable
  • Instant Macro Recording
  • Versatile Lighting Effects
  • Detachable Braided USB Cable
  • Compatible with Win XP, Vista, 7, 8, 10


ModelGRAM Spectrum
Model numberG11SFL
Switch TypeMechanical(AGILE Slim switch)
ColorBlack/ White
Report Rate32bit – 1000 Hz
Built-in Memory512KB
Programmable KeysFull keys
Multimedia Keys6
Keystroke Lifecycle50 Million
Backlit16.8M RGB
Backlit SetupPer Key
Lighting EffectsYes, Versatile, 8 preset lighting modes
Anti-Ghosting6-Key / N-Key rollover
Instant Macro RecordYes
Instant Lighting RecordNo
Windows Key DisableYes
Keyboard LockYes
FN LockNo
Default ResetYes
Double Injection KeysAvailable with 104 key layout
Onboard Audio JacksNo
Onboard USB HubNo
DC-in JackNo
Wrist RestNo
Cable Length1.8m detachable braided cable
Gold-plated plugYes
Graphical UIYes
Dimensions445 x 136 x 24.5 mm
Weight (w/ cable)1.12 kg


 ProductsFirmwareSoftwareProduct SheetManual
Gram-SpectrumGram SpectrumV3546