The WD_BLACK 2TB SN770M M.2 2230 NVMe SSD for Handheld Gaming Devices, Speeds up to 5,150MB/s, TLC 3D NAND, Great for Steam Deck and Microsoft Surface costs $0.1850/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 $0.0950/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 49% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD_BLACK 2TB SN770M M.2 2230 NVMe SSD for Handheld Gaming Devices, Speeds up to 5,150MB/s, TLC 3D NAND, Great for Steam Deck and Microsoft Surface 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 | WD_BLACK 2TB SN770M M.2 2230 NVMe SSD for Handheld Gaming Devices, Speeds up to 5,150MB/s, TLC 3D NAND, Great for Steam Deck and Microsoft Surface | 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 | Western Digital | KingSpec |
| Capacity | 2TB | 2TB |
| $/GB | $0.1850 | $0.0950 |
| Price | $369.99 | $189.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
WD_BLACK 2TB SN770M M.2 2230 NVMe SSD for Handheld Gaming Devices, Speeds up to 5,150MB/s, TLC 3D NAND, Great for Steam Deck and Microsoft Surface
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 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 $0.0950//GB compared to the WD_BLACK 2TB SN770M M.2 2230 NVMe SSD for Handheld Gaming Devices, Speeds up to 5,150MB/s, TLC 3D NAND, Great for Steam Deck and Microsoft Surface at $0.1850//GB — that's roughly 49% 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 $189.99 at Newegg, while the WD_BLACK 2TB SN770M M.2 2230 NVMe SSD for Handheld Gaming Devices, Speeds up to 5,150MB/s, TLC 3D NAND, Great for Steam Deck and Microsoft Surface starts at $369.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD_BLACK 2TB SN770M M.2 2230 NVMe SSD for Handheld Gaming Devices, Speeds up to 5,150MB/s, TLC 3D NAND, Great for Steam Deck and Microsoft Surface 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 WD_BLACK 2TB SN770M M.2 2230 NVMe SSD for Handheld Gaming Devices, Speeds up to 5,150MB/s, TLC 3D NAND, Great for Steam Deck and Microsoft Surface 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 September 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 $0.0950//GB compared to WD_BLACK 2TB SN770M M.2 2230 NVMe SSD for Handheld Gaming Devices, Speeds up to 5,150MB/s, TLC 3D NAND, Great for Steam Deck and Microsoft Surface at $0.1850//GB. That is approximately 49% better value per gigabyte.
What is the price per GB of WD_BLACK 2TB SN770M M.2 2230 NVMe SSD for Handheld Gaming Devices, Speeds up to 5,150MB/s, TLC 3D NAND, Great for Steam Deck and Microsoft Surface?
The WD_BLACK 2TB SN770M M.2 2230 NVMe SSD for Handheld Gaming Devices, Speeds up to 5,150MB/s, TLC 3D NAND, Great for Steam Deck and Microsoft Surface is currently priced at $0.1850/GB ($369.99 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 $189.99 at Newegg, which works out to $0.0950/GB.