Verdict

For a NAS cache or write-heavy pool, the SB-RKT5-1TB is the safer pick - the CT1000P3PSSD8 uses QLC NAND, which wears out faster and slows badly under sustained writes (light, read-mostly use only).

CT1000P3PSSD8
Crucial P3 Plus · 1TB · Desktop
£252 (£252.42/TB)
SB-RKT5-1TB
Sabrent Rocket 5 · 1TB · Desktop
No UK price yet

Value at a glance

Price / TB
CT1000P3PSSD8 $103.56
SB-RKT5-1TB $199.99
Endurance (TBW)
CT1000P3PSSD8 220 TB
SB-RKT5-1TB 700 TB

Price history

UK · cheapest per day

CT1000P3PSSD8 £252 SB-RKT5-1TB £191
zoomed · drag to zoom
£271 £163 £55 Aug 2024 Jan 2025 Jun 2025 Nov 2025 Mar 2026 Aug 2026
CT1000P3PSSD8 SB-RKT5-1TB
Capacity 1 TB 1 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type QLC TLC
Endurance (TBW) 220 TB 700 TB
DWPD - -
DRAM cache No Yes
Power-loss protection No No
Sustained write - -
Cost / TBW $0.471 $0.286
Price / TB $103.56 $199.99
Buy
£252
View at Amazon →
No UK 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.

CT1000P3PSSD8

No Backblaze failure data for this model.

SB-RKT5-1TB

No Backblaze failure data for this model.