Motorola SURFboard SB6121 Cable Modem (SB6121)
Too early to tell
We haven't worked out its normal price yet.
- Now
- $39.04
- Lowest in 108 days
- $32.80(Sep 14)
- Highest
- $99.99
Where today's price sits
Prices change. Confirm the price on Amazon before you buy. TrackPin may earn a commission if you buy, at no cost to you; it never changes a verdict.
Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)
Price history
Tracked since Jul 26 · 108 days · 53 price changes
Motorola SURFboard SB6121 Cable Modem (SB6121) price history, checked Nov 11, 2026: current price $39.04, average $43.62 over 108 days, lowest $32.80 (Sep 14, 2026), highest $99.99 (Jul 29, 2026).
Tracked for 108 days. We haven't worked out its normal price yet, so we don't judge it.
Loading the price chart.
- Price
- Not checked for 3+ days
Other ways to buy
Used from
$9.99
Owen_Family_EmporiumFulfilled by Amazon · Seller rating 82% of 122
10 of 26 offers
| Seller | Condition | Price | FBA | Seller rating |
|---|---|---|---|---|
| Owen_Family_Emporium | Used - Good | $9.99 | Yes | 82% of 122 |
| Bird's Book Supply | Used - Very Good | $10.00 | No | 98% of 5,904 |
| Mister B Enterprises | Used - Good | $12.17 | No | 94% of 1,844 |
| ZenMedia34 | Used - Very Good | $23.99 | Yes | 100% of 459 |
| PrimePrice | Used - Good | $24.77 | Yes | 100% of 827 |
| Bryan’s Goods | Used - Very Good | $24.99 | Yes | 70% of 30 |
| Viv H | Used - Like New | $24.99 | No | 67% of 3 |
| Gia supply | Used - Very Good | $25.00 | No | 80% of 20 |
| NetBetShop | Used - Like New | $29.99 | No | 80% of 9,839 |
| White Rhino Resale | Used - Like New | $29.99 | No | 89% of 536 |
Amazon lists 26 offers. These are from the first page of its offer list, sorted by price plus delivery, so a lower price may be further down.
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Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/B004XC6GJ0 \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/B004XC6GJ0", {
headers: { "x-api-key": process.env.TRACKPIN_API_KEY },
});
const product = await res.json();
console.log(product.verdict.label, product.price.reference_cents);import os, requests
r = requests.get(
"https://trackpin.co/api/v1/product/B004XC6GJ0",
headers={"x-api-key": os.environ["TRACKPIN_API_KEY"]},
)
product = r.json()
print(product["verdict"]["label"], product["price"]["reference_cents"])This is exactly what the API returns for this product. Free keys include 100 requests a day.
Request a key{
"asin": "B004XC6GJ0",
"title": "Motorola SURFboard SB6121 Cable Modem (SB6121)",
"image": "https://m.media-amazon.com/images/I/61alEX8UuGL._AC_SL500_.jpg",
"currency": "USD",
"category": "CE",
"category_label": "Electronics",
"in_stock": true,
"price": {
"current_cents": 3904,
"reference_cents": 3904,
"discount_pct": 0,
"is_deal": false,
"observed_at": 1794440061269,
"changed_at": 1793884411829,
"checked_at": 1794440061269,
"source": "stored"
},
"verdict": {
"label": "early",
"text": "Too early to tell",
"pct_vs_normal": null,
"evidence": "none",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Too early to tell. We haven't worked out its normal price yet."
},
"listing_claim": null,
"stats": {
"min_cents": 3280,
"max_cents": 9999,
"avg_cents": 4362,
"history_days": 108,
"price_levels": 73,
"price_changes": 53,
"distinct_prices": 4,
"lowest_at": 1789350151815
},
"history": [
{
"price_cents": 3904,
"from": 1789037204391,
"to": 1789349562345
},
{
"price_cents": 3280,
"from": 1789350151815,
"to": 1789922555526
},
{
"price_cents": 3904,
"from": 1792106276786,
"to": 1792541682303
},
{
"price_cents": 4897,
"from": 1793870593706,
"to": 1793870593706
},
{
"price_cents": 3904,
"from": 1793884411829,
"to": 1794440061269
}
],
"last_seen": 1794440061269
}
// … 68 more steps in the full responseNormal price: the lowest price level the product held for at least 15% of the last 45 days (about a week). Prices within 3% of each other count as one level, and we use the lowest price in that level. How we calculate it → Prices are observations of amazon.com and may be incomplete or delayed. TrackPin is not affiliated with Amazon.