WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E
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Above normal
$789.99 is 14% above the $689.99 it normally sells for. It sold at or within 3% of $689.99 for at least about a week of the last 45 days.
- Now
- $789.99
- Normally
- $689.99
- Lowest in 143 days
- $597.98(Jun 23)
- Highest
- $799.00
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 21 · 143 days · 100 price changes
Ahead of Black Friday 2026 (Nov 27), it is 14% above its normal price of $689.99. A "sale" back to $689.99 would only return it to normal. WD_BLACK SN850X 4TB NVMe SSD price history, checked Nov 12, 2026: current price $789.99, normal (typical) price $689.99, average $698.55 over 143 days, lowest $597.98 (Jun 23, 2026), highest $799.00 (Oct 15, 2026).
Loading the price chart.
- Price
- Not checked for 3+ days
- Normal $689.99
- 5% or more below normal
How often does it drop below normal?
In the 143 days we've tracked it, it stayed 5% or more below today's normal price for an hour or more 7 times, typically lasting about 1 day. The last time ended Oct 3. Brief dips under an hour (7) aren't counted.
A count of what happened, not a prediction.
Other ways to buy
New from
$789.99
Newegg BusinessSeller rating 80% of 576
Used from
$699.99
New Sun Mart (S/N Recorded）Seller rating 56% of 1,082
11 of 13 offers
| Seller | Condition | Price | FBA | Seller rating |
|---|---|---|---|---|
| New Sun Mart (S/N Recorded） | Used - Very Good | $699.99 | No | 56% of 1,082 |
| Renewed Global | Used - Like New | $709.99 | No | 50% of 24 |
| Amazon Resale | Used - Like New | $749.52 | Yes | — |
| Tech Original | Used - Like New | $775.00 | No | 38% of 899 |
| Newegg Business | New | $789.99 | No | 80% of 576 |
| OneDealOutlet Online | New | $791.79 | No | 59% of 9,444 |
| SPICY BOMB💣 | New | $799.00 | No | 86% of 9,834 |
| Giz-Promo | New | $889.00 | No | 97% of 4,650 |
| Byte-TechDirect | New | $903.88 | No | 51% of 290 |
| BeachAudio | New | $937.92 | No | 66% of 181,360 |
Showing the 10 lowest of 11 offers.
Amazon lists 13 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/B0B7CQ2CHH \
-H "x-api-key: $TRACKPIN_API_KEY"const res = await fetch("https://trackpin.co/api/v1/product/B0B7CQ2CHH", {
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/B0B7CQ2CHH",
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": "B0B7CQ2CHH",
"title": "WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E",
"image": "https://m.media-amazon.com/images/I/61c6fF0hw3L._AC_SL500_.jpg",
"currency": "USD",
"category": "Personal Computer",
"category_label": "Computers",
"in_stock": true,
"price": {
"current_cents": 78999,
"reference_cents": 68999,
"discount_pct": -14.49,
"is_deal": false,
"observed_at": 1794443903855,
"changed_at": 1794245924979,
"checked_at": 1794443903855,
"source": "stored"
},
"verdict": {
"label": "above",
"text": "Above normal",
"pct_vs_normal": -14.49,
"evidence": "strong",
"stale": false,
"suspect": false,
"steady_since": null,
"sentence": "Above normal. $789.99 is 14% above the $689.99 it normally sells for. It sold at or within 3% of $689.99 for at least about a week of the last 45 days."
},
"listing_claim": null,
"stats": {
"min_cents": 59798,
"max_cents": 79900,
"avg_cents": 69855,
"history_days": 143,
"price_levels": 681,
"price_changes": 100,
"distinct_prices": 19,
"lowest_at": 1782243876589
},
"history": [
{
"price_cents": 78999,
"from": 1794186740236,
"to": 1794193895619
},
{
"price_cents": 78209,
"from": 1794194442610,
"to": 1794231599424
},
{
"price_cents": 78999,
"from": 1794243931723,
"to": 1794244092079
},
{
"price_cents": 78209,
"from": 1794244521682,
"to": 1794244521682
},
{
"price_cents": 78999,
"from": 1794245924979,
"to": 1794443903855
}
],
"last_seen": 1794443905438
}
// … 676 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.