The SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B costs $0.8789/GB while 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 $0.0325/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 96% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B vs 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) — Which Is Better Value?
Specification Comparison
| Spec | SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B | 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) |
|---|---|---|
| Brand | SanDisk | Seagate |
| Capacity | 512 GB | 4 TB |
| $/GB | $0.8789 | $0.0325 |
| Price | $449.99 | $129.99 |
| Retailer | Best Buy | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | micro-sd | hdd |
Price Across Retailers
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 $0.0325//GB compared to the SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B at $0.8789//GB — that's roughly 96% 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 $129.99 at Amazon, while the SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B starts at $449.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B and 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) product page for detailed specifications and price history.
Frequently Asked Questions
Is SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B or 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) 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 $0.0325//GB compared to SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B at $0.8789//GB. That is approximately 96% better value per gigabyte.
What is the price per GB of SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B?
The SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B is currently priced at $0.8789/GB ($449.99 for 512 GB) at Best Buy.
Where can I buy 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) for the cheapest price?
The cheapest price 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 $129.99 at Amazon, which works out to $0.0325/GB.