This article covers PFU HHKB Professionalシリーズ キートップセット白 左上印字 (英語配列モデル) PD-KB400KTW.

Overview

The PFU HHKB Professional Series Key Top Set White Top-Printed (English Layout) PD-KB400KTW is an official replacement keycap kit designed for English-layout HHKB Professional series keyboards. It allows users to replace worn, shiny, or damaged keycaps with identical OEM parts, restoring the original typing feel and appearance. The set can also be used to convert a printed keycap board into a blank-keycap configuration for touch-typing practice. This kit includes 60 keycaps (full set for English layout), a keycap puller tool, and an instruction manual with a key arrangement diagram. Individual key sales are not available; the set is sold as a complete package. The keycaps are made of durable plastic in white color with top-printed English legends.

Connectivity & Compatibility

This keycap set is exclusively compatible with English-layout models of the HHKB Professional series. Supported models include: HHKB Professional HHKB Professional2 HHKB Professional2 Type-S HHKB Professional BT HHKB Professional HYBRID Type-S HHKB Professional HYBRID * HHKB Professional Classic It is NOT compatible with Japanese-layout models or other HHKB series such as HHKB Lite or HHKB Studio. Before purchasing, verify that your keyboard is an English-layout HHKB Professional model. Keycap replacement is performed at the user's own risk; follow the included instruction manual carefully to avoid scratching the keycaps during installation.

Product Info

The PD-KB400KTW is a long-selling official accessory from PFU (now under the HHKB brand). It occupies a mid-range position in the replacement parts market, serving both entry-level and high-end HHKB users who want to maintain or refresh their keyboard's original feel. The typical retail price is around ¥6,600 (approximately $45 USD), available through major online retailers like . Warranty coverage may vary as keycaps are considered consumable items; check the seller's return policy at the time of purchase. The package includes 60 keycaps, a keycap puller, and an instruction manual.

Best Use Cases

Long-time HHKB Professional series users who notice keycap shine or wear. Replacing with genuine OEM keycaps restores the original tactile feel without needing to buy a new keyboard. Individuals learning touch typing. Swapping printed keycaps for blank ones (by using this set on a printed board) creates an effective practice environment. * Users who want to refresh their keyboard's appearance while maintaining the authentic HHKB typing experience. Unlike third-party keycaps, these official parts guarantee perfect fit, consistent feel, and long-term durability.

Product Disclosure (Amazon)

  • Manufacturer: HHKB
  • Seller: PFUダイレクト
  • Fulfilled by: PFUダイレクト
  • ASIN: B00FPGOZTQ
  • Note: This article covers a manufacturer-made product based on Amazon listing details.