The XPG SPECTRIX RGB Gaming SSD S40G Series: 4TB Internal PCIe Gen3x4 M.2 2280 NVME costs $0.1447/GB while the KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... costs $0.0790/GB. KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... offers 45% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
XPG SPECTRIX RGB Gaming SSD S40G Series: 4TB Internal PCIe Gen3x4 M.2 2280 NVME vs KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... — Which Is Better Value?
Specification Comparison
| Spec | XPG SPECTRIX RGB Gaming SSD S40G Series: 4TB Internal PCIe Gen3x4 M.2 2280 NVME | KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... |
|---|---|---|
| Brand | XPG | KingSpec |
| Capacity | 4TB | 4TB |
| $/GB | $0.1447 | $0.0790 |
| Price | $578.90 | $315.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... offers better value at $0.0790//GB compared to the XPG SPECTRIX RGB Gaming SSD S40G Series: 4TB Internal PCIe Gen3x4 M.2 2280 NVME at $0.1447//GB — that's roughly 45% less per gigabyte.
The best deal for the KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... is $315.99 at Newegg, while the XPG SPECTRIX RGB Gaming SSD S40G Series: 4TB Internal PCIe Gen3x4 M.2 2280 NVME starts at $578.90 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each XPG SPECTRIX RGB Gaming SSD S40G Series: 4TB Internal PCIe Gen3x4 M.2 2280 NVME and KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... product page for detailed specifications and price history.
Frequently Asked Questions
Is XPG SPECTRIX RGB Gaming SSD S40G Series: 4TB Internal PCIe Gen3x4 M.2 2280 NVME or KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... a better deal?
As of July 2026, KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... offers better value at $0.0790//GB compared to XPG SPECTRIX RGB Gaming SSD S40G Series: 4TB Internal PCIe Gen3x4 M.2 2280 NVME at $0.1447//GB. That is approximately 45% better value per gigabyte.
What is the price per GB of XPG SPECTRIX RGB Gaming SSD S40G Series: 4TB Internal PCIe Gen3x4 M.2 2280 NVME?
The XPG SPECTRIX RGB Gaming SSD S40G Series: 4TB Internal PCIe Gen3x4 M.2 2280 NVME is currently priced at $0.1447/GB ($578.90 for 4TB) at Newegg.
Where can I buy KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... for the cheapest price?
The cheapest price for the KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop... is $315.99 at Newegg, which works out to $0.0790/GB.