The Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006) costs $0.0423/GB while the [SanDisk] SD Card 512GB SDXC Class10 UHS-I U3 V30 SanDisk Extreme SDSDXVV-512G-GHJIN New Package costs $0.2929/GB. Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006) offers 86% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006) vs [SanDisk] SD Card 512GB SDXC Class10 UHS-I U3 V30 SanDisk Extreme SDSDXVV-512G-GHJIN New Package — Which Is Better Value?
Specification Comparison
| Spec | Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006) | [SanDisk] SD Card 512GB SDXC Class10 UHS-I U3 V30 SanDisk Extreme SDSDXVV-512G-GHJIN New Package |
|---|---|---|
| Brand | Seagate | SanDisk |
| Capacity | 4 TB | 512GB |
| $/GB | $0.0423 | $0.2929 |
| Price | $169.37 | $149.99 |
| Retailer | Amazon | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006)
[SanDisk] SD Card 512GB SDXC Class10 UHS-I U3 V30 SanDisk Extreme SDSDXVV-512G-GHJIN New Package
Which Should You Buy?
Based on current pricing data, the Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006) offers better value at $0.0423//GB compared to the [SanDisk] SD Card 512GB SDXC Class10 UHS-I U3 V30 SanDisk Extreme SDSDXVV-512G-GHJIN New Package at $0.2929//GB — that's roughly 86% less per gigabyte.
The best deal for the Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006) is $169.37 at Amazon, while the [SanDisk] SD Card 512GB SDXC Class10 UHS-I U3 V30 SanDisk Extreme SDSDXVV-512G-GHJIN New Package starts at $149.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006) and [SanDisk] SD Card 512GB SDXC Class10 UHS-I U3 V30 SanDisk Extreme SDSDXVV-512G-GHJIN New Package product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006) or [SanDisk] SD Card 512GB SDXC Class10 UHS-I U3 V30 SanDisk Extreme SDSDXVV-512G-GHJIN New Package a better deal?
As of May 2026, Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006) offers better value at $0.0423//GB compared to [SanDisk] SD Card 512GB SDXC Class10 UHS-I U3 V30 SanDisk Extreme SDSDXVV-512G-GHJIN New Package at $0.2929//GB. That is approximately 86% better value per gigabyte.
What is the price per GB of Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006)?
The Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006) is currently priced at $0.0423/GB ($169.37 for 4 TB) at Amazon.
Where can I buy [SanDisk] SD Card 512GB SDXC Class10 UHS-I U3 V30 SanDisk Extreme SDSDXVV-512G-GHJIN New Package for the cheapest price?
The cheapest price for the [SanDisk] SD Card 512GB SDXC Class10 UHS-I U3 V30 SanDisk Extreme SDSDXVV-512G-GHJIN New Package is $149.99 at Newegg, which works out to $0.2929/GB.