Western Digital WD40EFAX 4TB
4 TB · HDD · SATA · WD Red 4TB NAS Internal Hard Drive HDD WD40EFAX 3.5"--TESTED
eBay prices as of
Best price now
$100.00
$25.00/TB · Used
Average lowest Buy It Now, last 1 year
$100.00
Today’s best matches the average
Lowest Buy It Now, last 1 year
$100.00
on Oct 7, 2026
Price history: lowest Buy It Now price
The lowest Buy It Now price each day, from live listings (not sold prices), including shipping, by condition.
- Used$100.00
Show price data as a table
| Date | Used |
|---|---|
| 2026-10-12 | $100.00 |
| 2026-10-11 | $100.00 |
| 2026-10-10 | $100.00 |
| 2026-10-09 | $100.00 |
| 2026-10-08 | $100.00 |
| 2026-10-07 | $100.00 |
Specs
- Technology
- SMR · slows down on sustained writes and RAID rebuilds. Avoid for NAS.
- Speed
- 5,400 RPM
- Cache
- 256 MB
- Form factor
- 3.5"
- Interface
- SATA
- Warranty
- 3 years from the maker, for new drives. Used and refurbished drives carry the seller’s warranty.
From the maker’s model number where we know the product line, otherwise from the listing titles. Check the seller’s listing before buying.
Current listings
| $/TB | Price | Capacity | Type | Technology | Form factor | Interface | Condition | Listing | Qty | Buy | Shipping notes | Updated | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| $25.00 | $100.00shipping not stated | 4 TB | HDD | SMR | 3.5" | SATA | Used | WD Red 4TB WD40EFAX 3.5" SATA 6Gb/s 5400RPM 256MB Cache NASware 3.0 HDD SMR | — | |||||
| $29.99 | $119.95 | 4 TB | HDD | SMR | 3.5" | SATA | Used | WD Red 4TB NAS Hard Drive WD40EFAX 3.5" SATA 5400RPM 256MB NASware 3.0 TESTED | 1 | Free | ||||
| $29.99 | $119.95 | 4 TB | HDD | SMR | 3.5" | SATA | Used | WD Red 4TB NAS Hard Drive WD40EFAX 3.5" SATA 5400RPM 256MB NASware 3.0 TESTED | 1 | Free |
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Similar drives
| $/TB | Price | Capacity | Type | Technology | Form factor | Interface | Condition | Drive | 7-day trend | Qty | Buy | Shipping notes | Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| $35.00 | $139.99 | 4 TB | HDD | — | 3.5" | SATA | Used | WD Red Pro WD4002FFWX-68TZ4N0 4TB 3.5" SATA NAS Hard Drive | — | ||||
| $37.39 | $149.56 | 4 TB | HDD | CMR | 3.5" | SATA | New | New Western Digital WD40EFRX 68N32N0 4TB 3.5" SATA 5400RPM WD Red NAS HDD | — | Free |