The GRAM XS ultra slim mechanical keyboard brings together design and functionality in an ultra-slim body. A sleek and beautiful keyboard that will fit into the décor of your work and home space. The chiclet style keycaps with low-profile mechanical switch technology boasts reliability and high-level performance for the enthusiast. Perfect for those who value style and may be a worker by day but still be a gamer at heart.

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.”

Featuring ultra-low-profile mechanical switches

Optimize your game with ultra-slim mechanical switches presented in a chicklet style keycap.

Beautiful slim designed keyboard

A keyboard built for multi-purpose functionality, paralleling with design that will look great in any space.

Full N-key/6-key rollover options

Ensure no key strike will be missed

32bit ARM Cortex Processor & 512KB On Board Memory

Experience maximum speed and memory for 100% performance with zero lag

Total key customization for personalized functionality

Customize your keyboard via Instant Macro Recording, and unlimited key programming


  • Presenting a beautiful, slim keyboard design
  • Highlighting ultra-low profile mechanical switches
  • Delivering precise actuation for optimized operation
  • Extreme reliability with every keystroke
  • Full key customization & Instant Macro Recording
  • 6-key and N-key rollover options
  • Intuitive software design
  • Non-slip rubber grips


Model numberG12ULP
Switch TypeTesoro Ultra-slim mechanical switch – Blue and Red switch options
Keyboard ColourBlack/White
Actuation DistanceBlue: 1.1 +/- 0.4mm
Red: 1.1 +/- 0.4mm
Operation ForceBlue: 40g +/- 10g
Red: 45g +/- 15g
Travel DistanceBlue: 3.0 +/- 0.3mm
Red: 3.0 +/- 0.3mm
Processor32bit ARM Cortex Processor
MemoryMCU 32KB + Flash 4Mbit
Ultra-polling rate1000 Hz
Key rollover6-key / N-key options
Backlit16.8 million RGB colours
Lighting EffectsPer key customizable illumination
Multimedia keys6
Cable1.8 meter detachable micro USB cable
System RequirementsWindows 7/8/10, PC System with USB Port, Internet connection for the software download
Warranty1 year
Product dimensions (WxHxD)450 x 126.5 x 24 mm
Package dimensions (WxHxD)500 x 201 x 39 mm
Product Weight (w/ cable)800 g
Product Weight (with packaging)1175 g


 ProductsFirmwareSoftwareProduct SheetManual
Gram-XSGram XS104&105key