WD 4TB My Book Desktop HDD USB 3.0 with Software for Device Management, Backup and Password Protection Works with PC and Mac
Normal price
$324.99 is within 5% of the $319.98 it normally sells for.
- Now
- $324.99
- Normally
- $319.98
- Lowest in 142 days
- $219.99(Jun 23)
- Highest
- $326.54
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 Jun 22 · 142 days · 343 price changes
Ahead of Black Friday 2026 (Nov 27), it is at its normal price of $319.98. A price below $319.98 would be a real deal. WD 4TB My Book Desktop HDD USB 3.0 with Software for Device… price history, checked Nov 11, 2026: current price $324.99, normal (typical) price $319.98, average $305.00 over 142 days, lowest $219.99 (Jun 23, 2026), highest $326.54 (Jul 16, 2026).
Loading the price chart.
- Price
- Not checked for 3+ days
- Normal $319.98
- 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 once, lasting about 20 days. The last time ended Jul 15. One brief dip under an hour isn't counted.
A count of what happened, not a prediction.
Other ways to buy
New from
$319.98
Better-Buy (We record S/N)Seller rating 50% of 144
All 2 offers
| Seller | Condition | Price | FBA | Seller rating |
|---|---|---|---|---|
| Better-Buy (We record S/N) | New | $319.98 | No | 50% of 144 |
| Best4Sale【S/N Recorded】 | New | $324.99 | No | 55% of 171 |
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Get this as JSONThe same verdict and prices, from the TrackPin API.
curl https://trackpin.co/api/v1/product/B01LZHJ77Q \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/B01LZHJ77Q", {
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/B01LZHJ77Q",
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": "B01LZHJ77Q",
"title": "WD 4TB My Book Desktop HDD USB 3.0 with Software for Device Management, Backup and Password Protection Works with PC and Mac",
"image": "https://m.media-amazon.com/images/I/61cOyn09OeL._AC_SL500_.jpg",
"currency": "USD",
"category": "Personal Computer",
"category_label": "Computers",
"in_stock": true,
"price": {
"current_cents": 32499,
"reference_cents": 31998,
"discount_pct": -1.57,
"is_deal": false,
"observed_at": 1794435231583,
"changed_at": 1790721284185,
"checked_at": 1794435231583,
"source": "stored"
},
"verdict": {
"label": "normal",
"text": "Normal price",
"pct_vs_normal": -1.57,
"evidence": "strong",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Normal price. $324.99 is within 5% of the $319.98 it normally sells for."
},
"listing_claim": null,
"stats": {
"min_cents": 21999,
"max_cents": 32654,
"avg_cents": 30500,
"history_days": 142,
"price_levels": 562,
"price_changes": 343,
"distinct_prices": 6,
"lowest_at": 1782204594522
},
"history": [
{
"price_cents": 32578,
"from": 1790051617854,
"to": 1790051617854
},
{
"price_cents": 31998,
"from": 1790055218208,
"to": 1790055218208
},
{
"price_cents": 32578,
"from": 1790058919891,
"to": 1790058919891
},
{
"price_cents": 31998,
"from": 1790062276607,
"to": 1790062276607
},
{
"price_cents": 32499,
"from": 1790721284185,
"to": 1794435231583
}
],
"last_seen": 1794435231583
}
// … 557 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.