The SanDisk Optimus GX PRO 850X M.2 2280-D5-M 1TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP81100TAH-000E0 costs $0.2900/GB while the KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive costs $0.1150/GB. KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive offers 60% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Optimus GX PRO 850X M.2 2280-D5-M 1TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP81100TAH-000E0 vs KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive — Which Is Better Value?
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Specification Comparison
| Spec | SanDisk Optimus GX PRO 850X M.2 2280-D5-M 1TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP81100TAH-000E0 | KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive |
|---|---|---|
| Brand | SanDisk | KingSpec |
| Capacity | 1TB | 1TB |
| $/GB | $0.2900 | $0.1150 |
| Price | $289.99 | $114.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
SanDisk Optimus GX PRO 850X M.2 2280-D5-M 1TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP81100TAH-000E0
KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive
Which Should You Buy?
Based on current pricing data, the KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive offers better value at $0.1150//GB compared to the SanDisk Optimus GX PRO 850X M.2 2280-D5-M 1TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP81100TAH-000E0 at $0.2900//GB — that's roughly 60% less per gigabyte.
The best deal for the KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive is $114.99 at Newegg, while the SanDisk Optimus GX PRO 850X M.2 2280-D5-M 1TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP81100TAH-000E0 starts at $289.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk Optimus GX PRO 850X M.2 2280-D5-M 1TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP81100TAH-000E0 and KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk Optimus GX PRO 850X M.2 2280-D5-M 1TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP81100TAH-000E0 or KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive a better deal?
As of September 2026, KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive offers better value at $0.1150//GB compared to SanDisk Optimus GX PRO 850X M.2 2280-D5-M 1TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP81100TAH-000E0 at $0.2900//GB. That is approximately 60% better value per gigabyte.
What is the price per GB of SanDisk Optimus GX PRO 850X M.2 2280-D5-M 1TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP81100TAH-000E0?
The SanDisk Optimus GX PRO 850X M.2 2280-D5-M 1TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP81100TAH-000E0 is currently priced at $0.2900/GB ($289.99 for 1TB) at Newegg.
Where can I buy KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive for the cheapest price?
The cheapest price for the KingSpec MemoStone US4 Type-C USSD 1TB Flash Drive SSD Memory Stick, USB 3.1 Gen 2, 540MB/s External Solid State Disk, Type A & C 2-in -1 Dual Drive is $114.99 at Newegg, which works out to $0.1150/GB.