Verdict

Both are comparable SSDs. The MZ7L33T8HBLT-00W07 is rated for more write endurance than the SSDPF2KX038T1, so it's the longer-lasting choice for a NAS that sees steady writes; for light use either is fine and price decides.

MZ7L33T8HBLT-00W07 SSDPF2KX038T1
Capacity 3.84 TB 3.84 TB
Form factor 2.5 U.2
Interface SATA NVMe
NAND type TLC TLC
Endurance (TBW) 7,008 TB 7,000 TB
DWPD 1.0 1.0
DRAM cache Yes Yes
Power-loss protection Yes Yes
Sustained write - 3,600 MB/s
Price / TB $239.03 $555.47

Highlighted cells mark the stronger spec for a NAS build. Failure rates from Backblaze Drive Stats where available; $/TB uses the cheapest live price where available.