Skip to content
TrackPin
Check a price
Menu
Developers

Theme

Microsoft Surface Dock for Surface Pro 3, Surface Pro 4, and Surface Book | 4 USB Ports, USB 3.0 Hardware Interface (Black)

Rated4.6(678 ratings)Only 1 left

Good price

$72.49 is 13% below the $84.18 it normally sells for, and the lowest we've seen in 142 days.

Now
$72.49
Normally
$84.18
Lowest in 142 days
$72.48(Nov 11)
Highest
$90.27
Evidence: Strong142 days tracked74 price changes

Where today's price sits

View on amazon.com (opens in a new tab)

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.

Get an email when the price drops

Good: 5%+ below normal. Great: 20%+ below. One email when it happens, at a price below today's $72.49. No account, no newsletter.

The listing's crossed-out price

Holds up

The listing shows

crossed out: Typical $88.90 −18%

Against its normal price

−13% vs $84.18

Typical $88.90 (−18%) holds up: today's price is 13% below normal.

The crossed-out price is the reference shown on the listing. We don't know how it was set; we only compare it with prices we've observed. How we check →

Price history

Tracked since Jun 21 · 142 days · 74 price changes

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $84.18
  • 5% or more below normal

How often does it drop below normal?

In the 142 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 4 times, typically lasting about 2 days. It's below normal right now.

A count of what happened, not a prediction.

Other ways to buy

  • New from

    $69.96

    Tempest Keep VenturesSeller rating 49% of 349

  • Used from

    $33.00

    Trade In My TechSeller rating 46% of 28

11 of 37 offers
The 10 lowest of 11 offers, by price
SellerConditionPriceFBASeller rating
Trade In My TechUsed - Good$33.00No46% of 28
Vavvi Co.Used - Good$35.48No93% of 868
CompeveUsed - Like New$37.00No92% of 2,316
Amazon ResaleUsed - Very Good$37.03Yes—
eSupplyTechUsed - Very Good$39.48No79% of 80
joporrasUsed - Like New$39.99No94% of 5,058
Desire Base ElectronicsUsed - Like New$54.99No91% of 476
IT SuperstoreUsed - Like New$58.00No95% of 299
Tempest Keep VenturesNew$69.96No49% of 349
Pins N Rockets IncUsed - Like New$69.99No85% of 858

Showing the 10 lowest of 11 offers.

Amazon lists 37 offers. These are from the first page of its offer list, sorted by price plus delivery, so a lower price may be further down.

More real deals in Phones & Accessories

See all
Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B01DL4J77I
Request
curl https://trackpin.co/api/v1/product/B01DL4J77I \
  -H "x-api-key: $TRACKPIN_API_KEY"

This is exactly what the API returns for this product. Free keys include 100 requests a day.

Request a key
Live response, As of 17:59 UTC
{
  "asin": "B01DL4J77I",
  "title": "Microsoft Surface Dock for Surface Pro 3, Surface Pro 4, and Surface Book | 4 USB Ports, USB 3.0 Hardware Interface (Black)",
  "image": "https://m.media-amazon.com/images/I/41mWyKfKqEL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Wireless",
  "category_label": "Phones & Accessories",
  "in_stock": true,
  "price": {
    "current_cents": 7249,
    "reference_cents": 8418,
    "discount_pct": 13.89,
    "is_deal": true,
    "observed_at": 1794418135587,
    "changed_at": 1794359312164,
    "checked_at": 1794418135587,
    "source": "stored"
  },
  "verdict": {
    "label": "good",
    "text": "Good price",
    "pct_vs_normal": 13.89,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Good price. $72.49 is 13% below the $84.18 it normally sells for, and the lowest we've seen in 142 days."
  },
  "listing_claim": {
    "label": "Typical:",
    "listing_reference_cents": 8890,
    "claimed_pct": 18,
    "real_pct": 13.89,
    "class": "holds_up",
    "observed_at": 1794418137188
  },
  "stats": {
    "min_cents": 7248,
    "max_cents": 9027,
    "avg_cents": 8552,
    "history_days": 142,
    "price_levels": 634,
    "price_changes": 74,
    "distinct_prices": 15,
    "lowest_at": 1794356247245
  },
  "history": [
    {
      "price_cents": 7528,
      "from": 1794197357466,
      "to": 1794350854932
    },
    {
      "price_cents": 7248,
      "from": 1794356247245,
      "to": 1794356247245
    },
    {
      "price_cents": 8000,
      "from": 1794356823384,
      "to": 1794356823384
    },
    {
      "price_cents": 7819,
      "from": 1794358756978,
      "to": 1794358756978
    },
    {
      "price_cents": 7249,
      "from": 1794359312164,
      "to": 1794418135587
    }
  ],
  "last_seen": 1794418137188
}
// … 629 more steps in the full response

Normal 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.