Samsung T7 Shield Portable SSD: 6 of 8 decision facts sourced.
WD Black SN850X 2TB: 6 of 8 decision facts sourced.
| Samsung T7 Shield Portable SSD | WD Black SN850X 2TB | |
|---|---|---|
| Price today | Price not yet checked | Price not yet checked |
| Capacity | 4000 gigabytes bestbuy.com | 2TB newegg.com |
| Interface | USB-C (USB 3.2 Gen2) bestbuy.com | PCI-Express 4.0 x4 newegg.com |
| Sequential read | Up to 1050 MBps newegg.com | Up to 7300 MBps newegg.com |
| Sequential write | Up to 1000 MBps newegg.com | Up to 6600 MBps newegg.com |
| Endurance (TBW) | Not yet sourced | 1200TB newegg.com |
| DRAM cache | Not yet sourced | 2GB DRAM newegg.com |
| Warranty | 3 years bestbuy.com | Not yet sourced |
| Starting MSRP | $1,144.99 bestbuy.com | Not yet sourced |
Not yet sourced — Samsung T7 Shield Portable SSD: Endurance (TBW), DRAM cache. WD Black SN850X 2TB: Warranty, Starting MSRP. No manufacturer, official or retailer source we read publishes these yet; we don't estimate them.
Verdict: The WD Black SN850X 2TB outperforms the Samsung T7 Shield in raw speed, endurance, and warranty, making it the clear choice for desktop or laptop upgrades where PCIe 4.0 is supported. However, the T7 Shield’s IP65 rating and compact USB‑C form factor give it an edge for on‑the‑go creators who need rugged, encrypted external storage (Samsung spec). For most power users the SN850X’s performance advantage outweighs the portability benefit.
Winner: WD Black SN850X 2TB
Samsung T7 Shield Portable SSD: 7/10
WD Black SN850X 2TB: 8.5/10
| Samsung T7 Shield Portable SSD | WD Black SN850X 2TB | |
|---|---|---|
| Capacity | 4000 gigabytes | 2TB |
| Interface | USB-C (USB 3.2 Gen2) | PCI-Express 4.0 x4 |
| Sequential read | Up to 1050 MBps | Up to 7300 MBps |
| Sequential write | Up to 1000 MBps | Up to 6600 MBps |
| Warranty | 3 years | — |
| Starting MSRP | $1,144.99 | — |
Our pick: WD Black SN850X 2TB.
View full comparison on GoodPickr
Buying guides · In-depth comparisons
View Interactive Comparison →Affiliate disclosure: GoodPickr may earn a commission from qualifying purchases made through partner links on this page. Verdicts are editorially independent and never influenced by affiliate relationships.
GoodPickr · Data-backed product comparisons · Built by Golden Consulting Partners