Verdict

For a NAS cache or write-heavy pool, the SNV3S/4000G is the safer pick - the CT4000P3PSSD8 uses QLC NAND, which wears out faster and slows badly under sustained writes (light, read-mostly use only).

CT4000P3PSSD8
Crucial P3 Plus · 4TB · Desktop
£652 (£163.06/TB)
SNV3S/4000G
Kingston NV3 · 4TB · Desktop
£470 (£117.50/TB)

Value at a glance

Price / TB
CT4000P3PSSD8 $73.15
SNV3S/4000G $129.63
Endurance (TBW)
CT4000P3PSSD8 800 TB
SNV3S/4000G 1,280 TB

Price history

UK · cheapest per day

CT4000P3PSSD8 £652 SNV3S/4000G £470
zoomed · drag to zoom
£652 £412 £172 Sep 2024 Jan 2025 Jun 2025 Nov 2025 Apr 2026 Sep 2026
CT4000P3PSSD8 SNV3S/4000G
Capacity 4 TB 4 TB
Form factor M.2 M.2
Interface NVMe NVMe
NAND type QLC TLC
Endurance (TBW) 800 TB 1,280 TB
DWPD - -
DRAM cache No No
Power-loss protection No No
Sustained write - -
Cost / TBW $0.366 $0.405
Price / TB $73.15 $129.63
Buy
£652
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£470
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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.

CT4000P3PSSD8

No Backblaze failure data for this model.

SNV3S/4000G

No Backblaze failure data for this model.