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Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5" - WD40EFRX

Rated4.5(24,379 ratings)Only 4 left

Normal price

$229.99 is within 5% of the $234.01 it normally sells for.

Now
$229.99
Normally
$234.01
Lowest in 143 days
$208.33(Nov 6)
Highest
$322.00
Evidence: Strong143 days tracked280 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. No account, no newsletter.

Amazon price jumps and real deals, posted on X: @trackpindeals (opens in a new tab)

The listing's crossed-out price

Not below normal

The listing shows

crossed out: Typical $260.00 −12%

Against its normal price

≈ 0% vs $234.01

This product has sold at or within 3% of $234.01 for at least about a week of the last 45 days, so today's price isn't below its normal price.

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 · 143 days · 280 price changes

Ahead of Black Friday 2026 (Nov 27), it is at its normal price of $234.01. A price below $234.01 would be a real deal. Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD price history, checked Nov 11, 2026: current price $229.99, normal (typical) price $234.01, average $270.18 over 143 days, lowest $208.33 (Nov 6, 2026), highest $322.00 (Jul 26, 2026).

Loading the price chart.

  • Price
  • Not checked for 3+ days
  • Normal $234.01
  • 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 4 times, typically lasting about 1 day. The last time ended Nov 6. Brief dips under an hour (6) aren't counted.

A count of what happened, not a prediction.

Other ways to buy

  • New from

    $229.99

    HDD - HardDiskDrivesSeller rating 82% of 147

  • Used from

    $148.99

    ALL4COMPUTERS ----- SIGNATURE REQUIRED -----Seller rating 84% of 386

11 of 19 offers
The 10 lowest of 11 offers, by price
SellerConditionPriceFBASeller rating
ALL4COMPUTERS ----- SIGNATURE REQUIRED -----Used - Good$148.99No84% of 386
ALL4COMPUTERS-TX ----- SIGNATURE REQUIRED ----Used - Good$148.99No82% of 193
Computer SupplyUsed - Very Good$175.00No72% of 2,225
Tech OriginalUsed - Like New$195.00No38% of 899
HDD - HardDiskDrivesNew$229.99No82% of 147
ITCP TechnologiesUsed - Like New$242.50No91% of 205
Best Products PrimeNew$269.99Yes83% of 11,749
DealforlessNew$280.00No90% of 79
ONLINE USA OUTLETNew$285.00No67% of 183
ValueVortexUSNew$290.00Yes87% of 93

Showing the 10 lowest of 11 offers.

Amazon lists 19 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 Computers

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Get this as JSONThe same verdict and prices, from the TrackPin API.
GET/api/v1/product/B00EHBERSE
Request
curl https://trackpin.co/api/v1/product/B00EHBERSE \
  -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 01:50 UTC
{
  "asin": "B00EHBERSE",
  "title": "Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 64 MB Cache, 3.5\" - WD40EFRX",
  "image": "https://m.media-amazon.com/images/I/71+3EwR3ABL._AC_SL500_.jpg",
  "currency": "USD",
  "category": "Personal Computer",
  "category_label": "Computers",
  "in_stock": true,
  "price": {
    "current_cents": 22999,
    "reference_cents": 23401,
    "discount_pct": 1.72,
    "is_deal": false,
    "observed_at": 1794433641549,
    "changed_at": 1794242536525,
    "checked_at": 1794433641549,
    "source": "stored"
  },
  "verdict": {
    "label": "normal",
    "text": "Normal price",
    "pct_vs_normal": 1.72,
    "evidence": "strong",
    "stale": false,
    "suspect": false,
    "steady_since": null,
    "sentence": "Normal price. $229.99 is within 5% of the $234.01 it normally sells for."
  },
  "listing_claim": {
    "label": "Typical:",
    "listing_reference_cents": 26000,
    "claimed_pct": 12,
    "real_pct": 1.72,
    "class": "not_below_normal",
    "observed_at": 1794433642784
  },
  "stats": {
    "min_cents": 20833,
    "max_cents": 32200,
    "avg_cents": 27018,
    "history_days": 143,
    "price_levels": 798,
    "price_changes": 280,
    "distinct_prices": 27,
    "lowest_at": 1793943084171
  },
  "history": [
    {
      "price_cents": 23499,
      "from": 1794003479917,
      "to": 1794003609705
    },
    {
      "price_cents": 27845,
      "from": 1794014432115,
      "to": 1794172381260
    },
    {
      "price_cents": 29200,
      "from": 1794173161334,
      "to": 1794173161334
    },
    {
      "price_cents": 29499,
      "from": 1794173731734,
      "to": 1794226642660
    },
    {
      "price_cents": 22999,
      "from": 1794242536525,
      "to": 1794433641549
    }
  ],
  "last_seen": 1794433642784
}
// … 793 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.