PromoType Key Boy Advance 50 KBA50 vs KeebFront Vanguard65Wireless or ISO 65% Layout
Choose the KBA50 for wireless flexibility and split spacebars, or the Vanguard65 for a larger 65% layout with ISO availability and knob support.
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![[Pre Order] PromoType Key Boy Advance 50 KBA50 Keyboard Kit](https://cdn.shopify.com/s/files/1/1674/0405/files/Front_cover.png?v=1782797951&width=3840&quality=75)
Which one should you get?
Get the
PromoType Key Boy Advance 50 KBA50
- Bluetooth, 2.4 GHz, and wired connectivity are listed.
- The 50% layout includes a split-spacebar option.
- VIAL support is listed.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
Get the
KeebFront Vanguard65
Knob
Build quality in the top 50% of 65% boards under $300.
- ANSI and ISO layout options are listed.
- The 65% layout includes arrow keys, according to the vendor description.
- Knob support is listed, and the vendor description also identifies a slider.
- 65% layout. No function row and no numpad.
Pick the PromoType Key Boy Advance 50 KBA50 if wireless connectivity, a 50% footprint, VIAL support, or split spacebars matter most. Choose the KeebFront Vanguard65 if you want an ISO option, arrow keys, or the knob and slider controls described by its vendor. Both are hot-swap DIY kits, so the main trade-off is compact wireless flexibility versus a larger wired layout with additional controls.
The differences that matter
Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.
PromoType Key Boy Advance 50 KBA50
KeebFront Vanguard65
Layout size
50%
65%
Connection
Bluetooth, 2.4 GHz, Wired
Wired
Wireless for several devices and wired for lower latency
Ergonomics
Split Spacebar
Standard
Mount style
Top Mount
Gasket Mount
Knob
No
Yes
- PromoType Key Boy Advance 50 KBA50
- KeebFront Vanguard65
- Performance
- 5250
- Build quality
- 6967
- Productivity
- 5957
- Customizability
- 6863
- Portability
- 8671
- Hot-swappable
- Case material: Aluminum, Polycarbonate
What will you mostly use it for?
The KBA50 has the clearest edge for travel, thanks to its wireless modes and compact 50% layout. The Vanguard65 suits buyers who want ISO availability, arrow keys, or an extra control for creative workflows. Programming and modding lean toward the KBA50 for its VIAL support and split-spacebar choices, while office use favors the Vanguard65's 65% arrangement. Gaming is a close call: both offer hot-swap configurations, but only the KBA50 lists wireless connectivity.
Pick the PromoType Key Boy Advance 50 KBA50
- The KBA50 offers Bluetooth, 2.4 GHz, and wired connectivity, while the Vanguard65 is wired only.
- Both kits list hot-swap support, so either can accommodate switch changes without soldering in its hot-swap configuration.
PromoType Key Boy Advance 50 KBA50 vs KeebFront Vanguard65 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
8 of 18 specs differ
PromoType Key Boy Advance 50 KBA50
KeebFront Vanguard65
Hot-swappable
Mount style
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Battery
USB-C
Case material
Plate material
Weight
Dimensions
Typing angle
Backlight
VIAL
Released
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
PromoType Key Boy Advance 50 KBA50
No ISO layout at the stores we track.
KeebFront Vanguard65
Listed on the product, not split by store: ISO.
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
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PromoType Key Boy Advance 50 KBA50 vs KeebFront Vanguard65: your questions
The KBA50 is listed with Bluetooth, 2.4 GHz, and wired connectivity. Its vendor listing describes a tri-mode PCB option with a 1000mAh battery.
No wireless modes are listed for the Vanguard65; its connectivity is specified as wired only. The vendor description identifies USB-C as its connection.
The Vanguard65 is listed with ANSI and ISO layout options, with availability depending on the version. The KBA50 has no ISO layout option.
Yes, the KBA50 vendor listing describes a split-spacebar layout option of 2.25u, 1u, and 2.75u. It also lists a separate 6u or 3u-plus-3u spacebar layout.
Knob support is listed for the Vanguard65, and its vendor description also names an integrated slider. The vendor says these controls can be used for media control, macros, or creative workflows.
The KBA50 is a 50% keyboard, while the Vanguard65 has a 65% layout. The Vanguard65 vendor description notes arrow keys and no separate numpad.
Hot-swap support is listed for both kits. For the KBA50, the vendor describes a hot-swap PCB option, while the Vanguard65 vendor describes a hot-swap PCB that allows switch changes without soldering.
Yes, VIAL support is listed for the KBA50. The Vanguard65 listing does not identify VIAL support.
The KBA50 is listed as top mount, and its vendor description also mentions an Oring top-mount configuration. The Vanguard65 is listed as gasket mount.
The KBA50 is the more travel-oriented option based on its listed Bluetooth and 2.4 GHz connectivity, 50% layout, and included carrying case. The Vanguard65 is wired only and uses a 65% layout.
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