
- WD Red 4TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch - WD40EFRX
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Newegg
From $149.99 (New)
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Tiger Direct
From $133.64 (New)
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MWave
From $194.95 (New)

From $149.99 (New)
From $133.64 (New)
From $194.95 (New)

| Latest | $149.99 17 hrs ago |
| Highest | $219.99 Feb 20, '16 |
| Lowest | $139.99 Jan 5, '16 |
| Average | $150.79 (30d avg) $155.19 (90d avg) $153.25 (180d avg) $155.63 (365d avg) $170.27 (Lifetime average) |
| Added | Oct 15, 2013 |
WD Red 4TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch - WD40EFRX Height (maximum): 26.10mm Width (maximum): 101.60mm Length (maximum): 147.00mm

| Last Seen | |
| Highest | $222.19 Sep 11, '13 |
| Lowest | $133.64 Dec 16, '15 |
| Average | $156.77 (30d avg) $162.42 (90d avg) $165.02 (180d avg) $173.97 (365d avg) $183.94 (Lifetime average) |
| Added | Sep 10, 2013 |
WD Red 4 TB NAS Hard Drive for 1-5 Bay NAS Environments - 3.5, SATA 6Gb/s, Intellipower, OEM Package - WD40EFRX

| Last Seen | |
| Highest | $209.95 Oct 5, '13 |
| Lowest | $191.12 Oct 25, '14 |
| Average | $194.95 (30d avg) $194.95 (90d avg) $194.95 (180d avg) $198.45 (365d avg) $203.25 (Lifetime average) |
| Added | Oct 5, 2013 |
WESTERN DIGITAL WD40EFRX RED 4TB NAS 64MB cache SATA 6.0Gb/s 3.5"" internal hard drive - Manufacturer: Western Digital - Mfg Part Number: WD40EFRX - Condition: New - Packaging: Bare Drive