Product note · Japan × US10.7% cheaper in the US
Is Razer Viper V4 Pro Ultra-Lightweight Wireless Gaming Mouse (White) cheaper in Japan? the US vs Japan, a US$17.12 gap | 2026 price check
Cheaper in the US by US$17.12 (10.7%): Japan ¥26,980 ≈ US$177.11, the US US$159.99.
01 · Verdict
10.7% cheaper in the US- Japan list price
- ¥26,980incl. tax · price incl. tax shown on the source ranking page (JPY) · Listed
- Converted US currency
- ≈ US$177.11JPY/USD 0.006564 · Bank of Taiwan board
- US list price
- US$159.99excl. tax · official list price · Listed
- cheaper in US
- US$17.1210.7% · US list price as denominator
US stickers exclude state and local tax; Japan stickers include tax. The bases differ, so this is not a landed cost.
Japanincl. tax、the USexcl. tax; where the tax basis differs, only the list prices are compared; a comparison of two named sources’ list prices, before card fees, shipping and tax refunds. Checked 2026-09-19. Before you order, use theJapan source page and the US source pagecurrent prices.
Japan vs US price table
| Market | List price | Source · checked | Tax basis · stock |
|---|---|---|---|
| Japanprice incl. tax shown on the source ranking page (JPY) | ¥26,980 | Bic Camera ↗ | incl. taxListed |
| USofficial list price | US$159.99 | Razer US official ↗ | excl. taxListed |
| Japan convertedJPY/USD 0.006564 (JPY/TWD 0.2076 ÷ USD/TWD 31.625) | US$177.11 | Bank of Taiwan rate ↗ | Spot sellingNot a card or cash rate |
| Gapcheaper in US | US$17.12 | 10.7%US list price as denominator | Extra fees not includedCard fee, shipping and tax-free extra |
To use your own FX, fees and shipping, open the Price calculator.
Is it worth buying in Japan?
Japan ¥26,980, Taiwan NT$4,990; both are same-day price snapshots taken when checked, excluding shipping, tax refunds, and card fees.
- With a 1.5% foreign card fee: Japan comes to about US$179.76, above the US by US$19.77.
- Break-even rate 0.0059 USD/JPY: above it the the US sticker is the cheaper one (this check used 0.0066, cross-converted from the Bank of Taiwan yen and dollar rates).
Before you buy
- Only paired when capacity, pack count, and main-unit/refill status match; differences in color, retailer, or stock do not affect the same-product determination.
- The Taiwan price is a retail-channel list price (which may be an authorized import, a parallel import, or a cross-border storefront), not the brand's official price.
- Price and stock follow the page on the day of verification.
05 · Sources
Each price keeps its source link, price kind, tax basis and check date, and is calculated with the TravPrice comparison method. If a price or model is wrong, check the source page and report it.
- Japan price
- Bic Camera ↗price incl. tax shown on the source ranking page (JPY) · incl. tax · Listed · checked 2026-09-11
- US price
- Razer US official ↗official list price · excl. tax · Listed · checked 2026-09-19
- FX
- Bank of Taiwan FX ↗Bank of Taiwan spot selling reference rate; the US dollar is cross-converted · JPY/USD 0.006564 (JPY/TWD 0.2076 ÷ USD/TWD 31.625) · 2026-09-10 23:22:00 (Taiwan time)
- Model match
- Japan ranking listing: RAZER gaming mouse, Viper V4 Pro, white, RZ01-05630200-R3A1 [optical/wired/wireless/6-button/USB]/Taiwan product page: optical, wired/wireless dual mode, 6-button, whiteThe Japan listing: RAZER ゲーミングマウス Viper V4 Pro ホワイト RZ01-05630200-R3A1 [光学式 /有線/無線(ワイヤレス) /6ボタン /USB] (RAZER gaming mouse Viper V4 Pro White -- optical / wired-wireless / 6-button / USB). The Taiwan page's brand, product line (Viper V4 Pro), sensor type (optical), connectivity (wired / wireless dual mode), button count (6 buttons), and color (White) all match; one spec, one listed price. (Storefront: momo (Gaming Peripherals Authorized Store)) The Taiwan price NT$4,990 is about 1.08x the converted tax-free price from Japan (¥24,527÷1.1×0.2076≈NT$4,629), a normal retail gap between the two markets. US price 2026-09-19: razer.com Viper V4 Pro White RZ01-05630200-R3U1 buy page HTTP 200, title includes White, formattedValue US$159.99.
- Official product page
- Brand product page ↗Product images on this site are redrawn illustrations; use the official page for appearance, extras and packaging.
- This page generated
- Generated from the same checked data; it is recalculated when the data updates.
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