Samsung 990 Pro PCIe 4.0 NVMe SSD vs Samsung T7 Shield Portable SSD
Decision sheet: the facts that decide it
Samsung 990 Pro PCIe 4.0 NVMe SSD: 5 of 8 decision facts sourced.
Samsung T7 Shield Portable SSD: 4 of 8 decision facts sourced. Missing: Sequential read, Sequential write, Endurance (TBW), DRAM cache.
| Samsung 990 Pro PCIe 4.0 NVMe SSD | Samsung T7 Shield Portable SSD | |
|---|---|---|
| Price today | Price not yet checked | Price not yet checked |
| Capacity | 4000 gigabytes bestbuy.com | 4000 gigabytes bestbuy.com |
| Interface | PCIe Gen 4 x4 bestbuy.com | USB-C (USB 3.2 Gen2) bestbuy.com |
| Endurance (TBW) | 2400 terabytes bestbuy.com | Not yet sourced |
| Warranty | 5 Year bestbuy.com | 3 years bestbuy.com |
| Starting MSRP | $1,139.99 bestbuy.com | $1,144.99 bestbuy.com |
Not yet sourced — Samsung 990 Pro PCIe 4.0 NVMe SSD: Sequential read, Sequential write, DRAM cache. Samsung T7 Shield Portable SSD: Sequential read, Sequential write, Endurance (TBW), DRAM cache. No manufacturer, official or retailer source we read publishes these yet; we don't estimate them.
Pick Samsung 990 Pro PCIe 4.0 NVMe SSD if
- Lower starting price — $1,139 vs $1,144 (bestbuy.com, bestbuy.com)
Skip both if
- Neither publishes sequential read, sequential write or DRAM cache yet.
Verdict: The T7 Shield shines for portable, rugged storage where convenience and water resistance matter, but it cannot match internal NVMe performance.
Provisional pick: Samsung 990 Pro PCIe 4.0 NVMe SSD — not enough sourced decision facts for Samsung T7 Shield Portable SSD. We don't rank on specs we can't verify.
Spec-by-spec comparison
| Samsung 990 Pro PCIe 4.0 NVMe SSD | Samsung T7 Shield Portable SSD | |
|---|---|---|
| Capacity | 4000 gigabytes | 4000 gigabytes |
| Interface | PCIe Gen 4 x4 | USB-C (USB 3.2 Gen2) |
| Endurance (TBW) | 2400 terabytes | — |
| Warranty | 5 Year | 3 years |
| Form factor | M.2 2280 | — |
| Starting MSRP | $1,139.99 | $1,144.99 |
Samsung 990 Pro PCIe 4.0 NVMe SSD
What works
- Industry‑leading sequential speeds for PCIe 4.0
- Thermal control with nickel coating
What doesn't
- Requires compatible M.2 slot; not usable in ultrabooks without NVMe support
- Higher price per GB than SATA SSDs
Samsung T7 Shield Portable SSD
What works
- Ruggedized metal body with IP65 water resistance
- Plug‑and‑play USB‑C connectivity
What doesn't
- Speed limited by USB interface compared to internal NVMe
Bottom line
Provisional pick: Samsung 990 Pro PCIe 4.0 NVMe SSD — not enough sourced decision facts for Samsung T7 Shield Portable SSD.
View full comparison on GoodPickr
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