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 $0.0807/GB while the PNY XLR8 CS3140 M.2 2280 4TB PCI-Express 4.0 x4, NVMe 1.4 3D NAND Internal Solid State Drive (SSD) M280CS3140-4TB-RB costs $0.1150/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 30% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
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 vs PNY XLR8 CS3140 M.2 2280 4TB PCI-Express 4.0 x4, NVMe 1.4 3D NAND Internal Solid State Drive (SSD) M280CS3140-4TB-RB — Which Is Better Value?
Specification Comparison
| Spec | 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 | PNY XLR8 CS3140 M.2 2280 4TB PCI-Express 4.0 x4, NVMe 1.4 3D NAND Internal Solid State Drive (SSD) M280CS3140-4TB-RB |
|---|---|---|
| Brand | KingSpec | PNY |
| Capacity | 4TB | 4TB |
| $/GB | $0.0807 | $0.1150 |
| Price | $322.99 | $459.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
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
PNY XLR8 CS3140 M.2 2280 4TB PCI-Express 4.0 x4, NVMe 1.4 3D NAND Internal Solid State Drive (SSD) M280CS3140-4TB-RB
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 $0.0807//GB compared to the PNY XLR8 CS3140 M.2 2280 4TB PCI-Express 4.0 x4, NVMe 1.4 3D NAND Internal Solid State Drive (SSD) M280CS3140-4TB-RB at $0.1150//GB — that's roughly 30% 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 $322.99 at Newegg, while the PNY XLR8 CS3140 M.2 2280 4TB PCI-Express 4.0 x4, NVMe 1.4 3D NAND Internal Solid State Drive (SSD) M280CS3140-4TB-RB starts at $459.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each 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 and PNY XLR8 CS3140 M.2 2280 4TB PCI-Express 4.0 x4, NVMe 1.4 3D NAND Internal Solid State Drive (SSD) M280CS3140-4TB-RB product page for detailed specifications and price history.
Frequently Asked Questions
Is 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 or PNY XLR8 CS3140 M.2 2280 4TB PCI-Express 4.0 x4, NVMe 1.4 3D NAND Internal Solid State Drive (SSD) M280CS3140-4TB-RB 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 $0.0807//GB compared to PNY XLR8 CS3140 M.2 2280 4TB PCI-Express 4.0 x4, NVMe 1.4 3D NAND Internal Solid State Drive (SSD) M280CS3140-4TB-RB at $0.1150//GB. That is approximately 30% better value per gigabyte.
What is the price per GB of 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?
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 currently priced at $0.0807/GB ($322.99 for 4TB) at Newegg.
Where can I buy PNY XLR8 CS3140 M.2 2280 4TB PCI-Express 4.0 x4, NVMe 1.4 3D NAND Internal Solid State Drive (SSD) M280CS3140-4TB-RB for the cheapest price?
The cheapest price for the PNY XLR8 CS3140 M.2 2280 4TB PCI-Express 4.0 x4, NVMe 1.4 3D NAND Internal Solid State Drive (SSD) M280CS3140-4TB-RB is $459.99 at Newegg, which works out to $0.1150/GB.