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 TypeUltra-slim mechanical switch – Blue and Red switch options
Keyboard ColourBlack/White
Actuation DistanceBlue: 1.1 +/- 0.4mm
Red: 1.1 +/- 0.4mm
Operation ForceBlue: 40 +/- 10gf
Red: 45 +/- 15gf
Pressure ForceBlue: 50 +/- 15gf
Red: nil
Travel DistanceBlue: 3.0 +/- 0.3mm
Red: 3.0 +/- 0.3mm
Processor32bit ARM Cortex Processor
MemoryMCU 32KB + Flash 4Mbit
Ultra-polling rate1000 Hz
ConnectionUSB 2.0 Full Speed
Key rollover6-key / N-key options
Backlit16.8M RGB
Lighting EffectsPer key customizable illumination
Multimedia keys6
Cable1.8 meter detachable micro USB cable
System RequirementsWIN 7 / WIN 8 / WIN 10 x86 and x64, PC System with USB Port, Internet connection for the software download
Warranty1 year
Product dimensions (WxHxD)450 x 126.5 x 23.5 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 XSV1.0
*Newly designed Tesoro 360 Software is still in beta format until final release on May 1. Custom Lighting function will only be visible after final release. We hope you enjoy the new user experience!