The SANDISK 2TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81200TAN-000E0 costs $0.2650/GB while the KingSpec MemoStone US4 Type-C USSD 2TB 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 $0.0940/GB. KingSpec MemoStone US4 Type-C USSD 2TB 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 65% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SANDISK 2TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81200TAN-000E0 vs KingSpec MemoStone US4 Type-C USSD 2TB 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 2TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81200TAN-000E0 | KingSpec MemoStone US4 Type-C USSD 2TB 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 | 2TB | 2TB |
| $/GB | $0.2650 | $0.0940 |
| Price | $529.99 | $187.99 |
| 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 MemoStone US4 Type-C USSD 2TB 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 $0.0940//GB compared to the SANDISK 2TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81200TAN-000E0 at $0.2650//GB — that's roughly 65% less per gigabyte.
The best deal for the KingSpec MemoStone US4 Type-C USSD 2TB 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 $187.99 at Newegg, while the SANDISK 2TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81200TAN-000E0 starts at $529.99 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 2TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81200TAN-000E0 and KingSpec MemoStone US4 Type-C USSD 2TB 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 2TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81200TAN-000E0 or KingSpec MemoStone US4 Type-C USSD 2TB 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 August 2026, KingSpec MemoStone US4 Type-C USSD 2TB 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 $0.0940//GB compared to SANDISK 2TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81200TAN-000E0 at $0.2650//GB. That is approximately 65% better value per gigabyte.
What is the price per GB of SANDISK 2TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81200TAN-000E0?
The SANDISK 2TB Optimus GX PRO 850X PCIe 4.0 x4 M.2 2280 NVMe SSD - SDSP81200TAN-000E0 is currently priced at $0.2650/GB ($529.99 for 2TB) at Newegg.
Where can I buy KingSpec MemoStone US4 Type-C USSD 2TB 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 2TB 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 $187.99 at Newegg, which works out to $0.0940/GB.