WD · Caviar Blue 640GB 7200RPM SATA 3.5" Internal Hard Drive WD6400AAKS
WD Caviar Blue 640GB 7200RPM SATA 3.5" Internal Hard Drive WD6400AAKS HDD
WD Caviar Blue 640GB 7200RPM SATA 3.5" Internal Hard Drive WD6400AAKS HDD by WD (model Caviar Blue 640GB 7200RPM SATA 3.5" Internal Hard Drive WD6400AAKS) is an internal HDD (3.5") tracked on PriceSniff.
$19.99
Price checked 4h ago · compared across 1 store
View at eBay → Compare all 1 stores ⌄Overview
It is currently listed at $19.99 at one tracked store. Key specifications: 0.64 TB capacity, 3.5" form factor, SATA interface, 7200 RPM rotational speed. Across 10 recorded price checks the price has held steady at $19.99. Compare drives by price per terabyte rather than sticker price, and buy the largest capacity you can use — bigger drives are almost always cheaper per gigabyte. We recheck every store we cover automatically, so the prices above stay current and you can compare offers and catch price drops before you buy.
All 1 tracked price
| Store | Price | Availability | |
|---|---|---|---|
eBay Used | $19.99Best price | In stock | View → |
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PriceSniff tracks the WD Caviar Blue 640GB 7200RPM SATA 3.5" Internal Hard Drive WD6400AAKS HDD across 1 store and charts its price history, so you can compare current offers and see whether today's price is a genuine deal. Listed under internal hdd, it is built by WD, model Caviar Blue 640GB 7200RPM SATA 3.5" Internal Hard Drive WD6400AAKS. Notable specs include Capacity 0.64 TB, Form factor 3.5", Interface SATA.
Specifications
- Capacity
- 0.64TB
- Form factor
- 3.5"
- Interface
- SATA
- Rotational speed
- 7200RPM
90-day price history across tracked stores
Over 19 days of tracking, PriceSniff has logged 10 price checks for the WD Caviar Blue 640GB 7200RPM SATA 3.5" Internal Hard Drive WD6400AAKS HDD. The price has held steady at $19.99, with the lowest seen on Sep 8, 2026. Right now the best price is $19.99 at eBay, matching the lowest price we've tracked. The lowest price in the past year is $19.99. Today's best price matches the 90-day average of $19.99.
eBay
View as table
| Date | Price |
|---|---|
| Sep 27 | $19.99 |
| Sep 26 | $19.99 |
| Sep 24 | $19.99 |
| Sep 23 | $19.99 |
| Sep 22 | $19.99 |
| Sep 21 | $19.99 |
| Sep 19 | $19.99 |
| Sep 18 | $19.99 |
| Sep 12 | $19.99 |
| Sep 8 | $19.99 |
What is the best price for the WD Caviar Blue 640GB 7200RPM SATA 3.5" Internal Hard Drive WD6400AAKS HDD?
The lowest price PriceSniff is currently tracking is $19.99 at eBay. Prices update automatically, so the offers table above always shows the latest figure.
Is the WD Caviar Blue 640GB 7200RPM SATA 3.5" Internal Hard Drive WD6400AAKS HDD a good deal right now?
It's about average — at $19.99, it's within 0% of its 90-day average of $19.99.
Which stores sell the WD Caviar Blue 640GB 7200RPM SATA 3.5" Internal Hard Drive WD6400AAKS HDD?
PriceSniff compares the WD Caviar Blue 640GB 7200RPM SATA 3.5" Internal Hard Drive WD6400AAKS HDD across 1 store: eBay.
What is the lowest price the WD Caviar Blue 640GB 7200RPM SATA 3.5" Internal Hard Drive WD6400AAKS HDD has dropped to?
The lowest price PriceSniff has recorded is $19.99, seen on Sep 8, 2026. The price history chart on this page shows how the price has changed over time.
How often does PriceSniff update WD Caviar Blue 640GB 7200RPM SATA 3.5" Internal Hard Drive WD6400AAKS HDD prices?
PriceSniff re-checks each tracked store on a regular schedule and records every change, building the price history and alerts you see on this page.
