The 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 costs $0.1975/GB while the fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q costs $0.0825/GB. fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q offers 58% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 vs fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q — Which Is Better Value?

Specification Comparison

Spec4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q
BrandWestern Digitalfanxiang
Capacity4TB4 TB
$/GB$0.1975$0.0825
Price$789.99$329.99
RetailerNeweggAmazon
CategorySSDs & NVMe DrivesSSDs & NVMe Drives
Subcategorynvmessd

Price Across Retailers

4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0

Newegg$0.1975//GB
$789.99Buy

fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q

Amazon$0.0825//GB
$329.99Buy

Which Should You Buy?

Based on current pricing data, the fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q offers better value at $0.0825//GB compared to the 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 at $0.1975//GB — that's roughly 58% less per gigabyte.

The best deal for the fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q is $329.99 at Amazon, while the 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 starts at $789.99 at Newegg.

However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 and fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q product page for detailed specifications and price history.

Frequently Asked Questions

Is 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 or fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q a better deal?

As of June 2026, fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q offers better value at $0.0825//GB compared to 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 at $0.1975//GB. That is approximately 58% better value per gigabyte.

What is the price per GB of 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0?

The 4TB* WD_BLACK SN8100 PCIe 5.0x4 NVMe M.2 SSD - WDS400T1X0M-00CMT0 is currently priced at $0.1975/GB ($789.99 for 4TB) at Newegg.

Where can I buy fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q for the cheapest price?

The cheapest price for the fanxiang 4TB SATA SSD 2.5'' SSD SATA III 6 Gb/s Internal Solid State Drive Up to 500 MB/s 3D NAND SLC Cache for Laptop and PC Desktop Performance Boost 7mm(0.28″) S101Q is $329.99 at Amazon, which works out to $0.0825/GB.

Compare With Similar Products