Verdict

For a NAS cache or write-heavy pool, the CT1000T500SSD8 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)
CT1000T500SSD8
Crucial T500 · 1TB · Desktop
£205 (£204.95/TB)

Value at a glance

Price / TB
CT1000P3PSSD8 $103.56
CT1000T500SSD8 $257.56
Endurance (TBW)
CT1000P3PSSD8 220 TB
CT1000T500SSD8 600 TB

Price history

UK · cheapest per day

CT1000P3PSSD8 £252 CT1000T500SSD8 £205
zoomed · drag to zoom
£271 £163 £55 Sep 2024 Jan 2025 Jun 2025 Nov 2025 Apr 2026 Sep 2026
CT1000P3PSSD8 CT1000T500SSD8
Capacity 1 TB 1 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type QLC TLC
Endurance (TBW) 220 TB 600 TB
DWPD - -
DRAM cache No Yes
Power-loss protection No No
Sustained write - -
Cost / TBW $0.471 $0.429
Price / TB $103.56 $257.56
Buy
£252
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£205
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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.

CT1000T500SSD8

No Backblaze failure data for this model.