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
$350 ($175.00/TB)
MZ-V9S2T0BW
Samsung 990 EVO Plus · 2TB · Desktop
$360 ($180.00/TB)

Value at a glance

Price / TB
MZ-V7S2T0 $175.00
MZ-V9S2T0BW $156.84
Endurance (TBW)
MZ-V7S2T0 1,200 TB
MZ-V9S2T0BW 1,200 TB

Price history

US · cheapest per day

MZ-V7S2T0 $350 MZ-V9S2T0BW $360
zoomed · drag to zoom
$747 $439 $130 Sep 2024 Feb 2025 Jul 2025 Nov 2025 Apr 2026 Sep 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 $0.292 $0.261
Price / TB $175.00 $156.84
Buy
$350
View at Amazon →
$360
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.