Excalibur Spectrum

Excalibur Spectrum is a top choice among Tesoro users due to its classic design, incredible and versatile RGB lighting effects that let you control lighting on every single key separately, and high-quality build to ensure the keyboard lasts for many years of intensive use.

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.”

16.8 Million Customizable Lighting

When it comes to lighting the Excalibur Spectrum has everything you need. Individually color each key to create your own patterns for macros and choose from seven different lighting effects.

60 Million Reliable Keystrokes

Built to withstand the burden of keystroke after keystroke of gameplay, the Excalibur Spectrum will allow you to stand the test of time.

Anti-ghosting for the Win

Full N-key / 6-key rollover means the Excalibur Spectrum can keep up with the speed of even the fastest of players.

All Keys Full Programmable

Give yourself the upper hand by customizing each key to your preference.

1000 Hz Ultra Polling Rate

Eliminate lag and be completely up to speed and on top of the competition with 1000 Hz polling rate.




Lighting Effect Control

Set and control your lighting effects on board without the need for software.

Instant Macro Recording

Instantly record your macros for on-the-fly macro sets to keep you ahead of the competition.

32bit Arm
Cortex Processor

The brains of keyboard means zero lag, 100% performance. Rest assured that the Excalibur Spectrum will keep pace keystroke will go through 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.


  • Gaming Grade Mechanical Switch
  • Heavy-Duty
  • 32bit ARM Cortex Premium Processor
  • 1000Hz Ultra-polling rate
  • 512KB (4Mb) Onboard memory
  • All keys programmable
  • NKey / 6 Key Rollover
  • RGB LED with per key customization
  • Versatile lighting effects
  • 8 preset lighting modes
  • Double injection keycaps (104 layout)
  • Quick profile switch, instant macro recording, reset hotkey, keyboard lock
  • Compatible with Win XP, Vista, 7, 8, 10


ModelExcalibur Spectrum
Model numberG7SFL
Switch TypeMechanical(Kailh RGB switch)
Report Rate32bit – 1000 Hz
Built-in Memory512KB
Programmable KeysFull keys
Multimedia Keys6
Keystroke Lifecycle60 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 Length1.8 m braided
Gold-plated plugYes
Graphical UIYes
Dimensions450 x 150 x 34 mm
Weight (w/ cable)1.29 kg


 ProductsFirmwareSoftwareProduct SheetManual
Excalibur-SpectrumExcalibur SpectrumV3546