Verdict

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

MZ-V9P1T0
Samsung 990 PRO · 1TB · Desktop
£299 (£299.00/TB)
MZ-V9S1T0BW
Samsung 990 EVO Plus · 1TB · Desktop
£199 (£199.00/TB)

Value at a glance

Price / TB
MZ-V9P1T0 $218.99
MZ-V9S1T0BW $237.00
Endurance (TBW)
MZ-V9P1T0 600 TB
MZ-V9S1T0BW 600 TB

Price history

UK · cheapest per day

MZ-V9P1T0 £299 MZ-V9S1T0BW £199
zoomed · drag to zoom
£299 £179 £60 Nov 2024 Mar 2025 Aug 2025 Jan 2026 Jun 2026 Nov 2026
MZ-V9P1T0 MZ-V9S1T0BW
Capacity 1 TB 1 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type TLC TLC
Endurance (TBW) 600 TB 600 TB
DWPD - -
DRAM cache Yes No
Power-loss protection No No
Sustained write - -
Cost / TBW $0.365 $0.395
Price / TB $218.99 $237.00
Buy
£299
View at Amazon →
£199
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-V9P1T0

No Backblaze failure data for this model.

MZ-V9S1T0BW

No Backblaze failure data for this model.