Verdict

These are closely matched SSDs of the same capacity - decide on price and warranty. Check the live $/TB above.

MZ-V7S2T0
Samsung 970 EVO Plus · 2TB · Desktop
$340 ($170.00/TB)
MZ-V9S2T0BW
Samsung 990 EVO Plus · 2TB · Desktop
$363 ($181.50/TB)

Value at a glance

Price / TB
MZ-V7S2T0 $170.00
MZ-V9S2T0BW $181.50
Endurance (TBW)
MZ-V7S2T0 1,200 TB
MZ-V9S2T0BW 1,200 TB

Price history

US · cheapest per day

MZ-V7S2T0 $340 MZ-V9S2T0BW $363
zoomed · drag to zoom
$747 $434 $120 Nov 2024 Mar 2025 Aug 2025 Jan 2026 Jun 2026 Nov 2026
MZ-V7S2T0 MZ-V9S2T0BW
Capacity 2 TB 2 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 1,200 TB 1,200 TB
DWPD - -
DRAM cache Yes No
Power-loss protection No No
Sustained write - -
Cost / TBW $0.283 $0.302
Price / TB $170.00 $181.50
Buy
$340
View at Amazon →
$363
View at Amazon →

Highlighted cells mark the stronger spec for a NAS build. Failure rates from Backblaze Drive Stats where available; $/TB uses the cheapest live price. Buy links are Amazon affiliate.

MZ-V7S2T0

No Backblaze failure data for this model.

MZ-V9S2T0BW

No Backblaze failure data for this model.