Verdict

These are comparable SSDs. The MZ7L31T9HBLT-00W07 is rated for the most write endurance, so it lasts longest in a NAS that sees steady writes; for light use any is fine and price decides.

MZ-V9S1T0BW
Samsung 990 EVO Plus · 1TB · Desktop
$237 ($237.00/TB)
MZ7L31T9HBLT-00W07
Samsung PM893 · 1.92TB · Enterprise
No US price yet

Value at a glance

Price / TB
MZ-V9S1T0BW $222.25
MZ7L31T9HBLT-00W07 $555.16
Endurance (TBW)
MZ-V9S1T0BW 600 TB
MZ7L31T9HBLT-00W07 3,504 TB

Price history

US · cheapest per day

MZ-V9S1T0BW $237 MZ7L31T9HBLT-00W07 $858
zoomed · drag to zoom
$864 $550 $237 May 2025 Aug 2025 Nov 2025 Feb 2026 Jun 2026 Sep 2026
MZ-V9S1T0BW MZ7L31T9HBLT-00W07
Capacity 1 TB 1.92 TB
Form factor M.2 2.5
Interface NVMe SATA
NAND type TLC TLC
Endurance (TBW) 600 TB 3,504 TB
DWPD - 1.0
DRAM cache No Yes
Power-loss protection No Yes
Sustained write - -
Cost / TBW $0.370 $0.304
Price / TB $222.25 $555.16
Buy
$237
View at Amazon →
No US price yet

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-V9S1T0BW

No Backblaze failure data for this model.

MZ7L31T9HBLT-00W07

No Backblaze failure data for this model.